Double Storey Extensions • Radford, Nottinghamshire
Double Storey Extensions in Radford, Nottingham
A double storey extension in Radford typically costs between £45,000 and £85,000, depending on ground conditions, roof ties, and interior layout. Most projects take 12 to 16 weeks on site, requiring structural design, Nottingham City Council building control approval, and often full planning permission due to boundary proximity and tight urban plots.
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Start your project today
- Free Quotations
- Experienced Team
- Quality Workmanship
- Fully Insured
Double Storey Extensions in Radford: the short answer
A double storey extension in Radford typically costs between £45,000 and £85,000, depending on ground conditions, roof ties, and interior layout. Most projects take 12 to 16 weeks on site, requiring structural design, Nottingham City Council building control approval, and often full planning permission due to boundary proximity and tight urban plots.
- Typical time on site
- Typically 12 to 16 weeks on site from excavation to completion
- Planning permission
- Often required due to boundary proximity, though some rear additions fall under Permitted Development
- Decided by
- Nottingham City Council (Nottingham City)
- Indicative cost
- Indicative: £45,000 to £85,000 as a guide, depending on scale and specification
Radford property: what makes the work different here
Radford sits roughly two miles northwest of Nottingham city centre, characterised by a dense urban fabric that blends Victorian and Edwardian solid-brick terraces with interwar council housing, mid-century semis, and modern infill developments. Many period properties across Radford feature long, narrow rear plots, shared boundary walls, and historical rear additions that require careful structural tying. Ground conditions across the area often vary, with underlying sandstone and clay requiring thorough foundation design to guarantee structural stability for heavy two-storey additions. Access across Radford can be tight, particularly along traditional terraced streets where on-street parking and narrow side passages restrict the size of plant machinery and material delivery lorries. Building a double storey extension here demands careful attention to boundary offsets, natural light angles, and overlooking distances to protect adjoining homes. Working closely with Nottingham City Council planning and building control ensures that additions respect the prevailing rooflines, window styles, and masonry tones of Radford's diverse, established architectural streetscapes.
What double storey extensions involves
Constructing a double storey extension is a comprehensive structural undertaking that transforms your home's layout across both levels. The build begins with establishing site boundaries, setting up safety barriers, and excavating deep trench or engineered foundations down to firm load-bearing ground. Concrete is poured, sub-floor drainage connections are installed, and damp proof membranes are laid. Bricklayers then build the twin-skin external walls using structural blockwork, high-performance cavity insulation, and matching exterior masonry. Steel beams (RSJs) are craned into position to support intermediate floor joists and take upper floor loads where structural walls are removed. The timber roof structure is constructed, felted, battened, and tiled to make the building completely watertight. Once windows, external doors, and rainwater goods are fitted, the interior work begins. Electricians and plumbers complete first-fix cabling, central heating pipework, and drainage feeds. Internal walls are insulated, plasterboarded, and skimmed, followed by second-fix joinery, flooring, sanitaryware installation, and final structural knock-throughs into the existing living space.
Do I need planning permission in Radford? (Nottingham City Council)
Securing the appropriate planning route in Radford depends on the specific dimensions, placement, and location of your proposed two-storey extension. Although central government Permitted Development rules permit certain multi-storey rear extensions without a formal planning application, strict limitations apply. The extension cannot exceed three metres in depth from the original rear wall, must remain at least two metres from any plot boundary if the eaves exceed three metres, and cannot be taller than the existing roof ridge. Given the compact plot sizes and narrow boundary lines typical of Radford, many double storey proposals fall outside permitted development limits and require a full householder planning application submitted to Nottingham City Council. Nottingham City Council assesses applications based on impact on neighbouring privacy, loss of daylight, street scene continuity, and architectural scale. If your property is subject to an Article 4 direction or lies within a designated conservation area, permitted development rights are typically restricted. We manage the entire application process, submitting comprehensive drawings and planning statements directly via the council planning portal.
Building regulations, inspections and paperwork
Every two-storey extension in Radford must comply with national Building Regulations to guarantee structural integrity, fire safety, thermal efficiency, and moisture resistance. We coordinate directly with Nottingham City Council's own building control team, submitting initial notices alongside full structural calculations and architectural drawings before breaking ground. Building control surveyors carry out mandatory site inspections at critical junctures throughout the project. These statutory visits cover foundation trenches prior to pouring concrete, structural steel beams and load-bearing padstones, intermediate timber floor joists, insulation installation across walls and roofs, and final drainage connections. Nottingham City Council's building control team oversees these checks to confirm all work meets modern standards under the latest building safety frameworks. Once the build passes its final inspection, the council issues a formal Building Regulations Completion Certificate. We ensure all associated paperwork—including electrical Part P certificates, gas safety sign-offs, and structural documents—is compiled and handed over, providing total peace of mind and essential proof of compliance for future property sales.
Council contacts for Radford
Nottingham City Council is the planning authority. Building control is handled by Nottingham City Council's own building control team.
- Building control
Details as published by the council. Fees and processing times change, so check the council's own page for the current figures — or let us handle the submission for you.
How we work, stage by stage
We deliver two-storey extensions through an orderly, stage-by-stage process designed to minimise disruption and maintain quality. Following your initial enquiry, we visit your property in Radford to evaluate the site, discuss spatial requirements, and review planning feasibility under Nottingham City Council guidance. We then develop architectural plans and appoint structural engineers to calculate steel sizes and foundation depths. Once approvals and party wall agreements are in place, our groundworks team arrives to excavate footings and install sub-base drainage. Bricklayers then erect the external cavity walls, matching existing brick courses, while carpenters frame the intermediate floor and roof structure. As soon as the building envelope is watertight with tiles and windows installed, our electricians and plumbers complete first-fix installations. Drylining, plastering, second-fix carpentry, heating, and bathroom fittings follow in logical sequence. Throughout the build, a dedicated site manager oversees daily operations, liaises with council building inspectors, and keeps you updated on progress against our agreed schedule until final handover.
- Step 1
1. Site Consultation
We visit your Radford property to assess plot boundaries, inspect existing brickwork, discuss layout goals, and evaluate council planning feasibility.
- Step 2
2. Architectural & Engineering Design
Our designers prepare scaled architectural drawings while structural engineers calculate steel beams, joist spans, and foundation depths for council submission.
- Step 3
3. Statutory Approvals
We submit full plans to Nottingham City Council for planning permission or lawful development certificates, alongside building regulations notices.
- Step 4
4. Groundwork & Foundations
Our team excavates trenches, pours concrete footings, installs drainage runs, and lays insulated ground-floor slabs inspected by building control.
- Step 5
5. Superstructure & Roofing
Bricklayers build external cavity walls while carpenters erect intermediate floor joists, roof trusses, breathable membranes, and matching roof tiles.
- Step 6
6. First-Fix & Plastering
We install energy-efficient glazing, complete first-fix electrical and plumbing runs, insulate walls, and apply smooth multi-finish plaster across both storeys.
- Step 7
7. Second-Fix & Completion
Carpenters hang doors, fit skirting, install sanitaryware and radiators, followed by final Nottingham City Council building control sign-off and handover.
| Weeks 1-3: Groundworks & Foundations | Site clearance, perimeter safety fencing, foundation trench excavation, and concrete pouring verified by Nottingham City Council building control. |
|---|---|
| Weeks 4-7: Superstructure Masonry | Erecting external blockwork, cavity insulation, matching brickwork, and fitting intermediate timber floor joists for the upper storey. |
| Weeks 8-10: Roof & Weatherproofing | Constructing timber roof rafters, laying breathable felt, battening, tiling, and installing gutters and external windows to make the shell watertight. |
| Weeks 11-13: First-Fix & Plastering | Installing structural steel knock-throughs, running electrical cables, heating pipes, plumbing waste, drylining, and plaster skimming all rooms. |
| Weeks 14-16: Second-Fix & Handover | Fitting interior doors, skirting, radiators, bathroom suites, carrying out final building control inspections, and issuing completion certificates. |
What drives the cost in Radford
Several distinct factors influence the final cost of a double storey extension in Radford. Ground conditions are an immediate consideration; older properties or areas with historic ground movement may require deeper trench foundations or engineered steel-reinforced concrete to satisfy Nottingham City Council building control. Structural complexity also drives pricing. Creating open-plan ground floors beneath a new upper storey requires substantial structural steelwork (RSJs) and load-bearing padstones, which increases material and fabrication expenses. On upper floors, the number and specification of new rooms—such as creating an ensuite bathroom versus standard bedrooms—affects plumbing runs, soil stack routing, and ventilation requirements. Roof ties, gutter integration, and matching original brickwork or rendering on older Radford houses also dictate craft hours on site. Site logistics in urban streets play a role as well; restricted rear access, narrow passages, or the need for crane lifts and highway skip permits impact labour scheduling and waste management. Detailed specifications are agreed before work starts to prevent unexpected budget variations.
| Ground Conditions & Footings | Challenging soil or proximity to deep mature tree roots requires deeper trench footings or engineered raft foundations. |
|---|---|
| Structural Steel Requirements | Spanning large open-plan ground floors beneath upper bedrooms requires heavier, engineered steel beams and reinforced padstones. |
| Upstairs Plumbing & Ensuites | Adding ensuite bathrooms or wet rooms upstairs demands dedicated soil stack extensions, hot and cold feeds, and extraction routing. |
| Brickwork & Roof Covering | Sourcing matching period facing bricks, decorative brick detailing, or matching slate roof tiles to blend with existing masonry. |
| Site Access & Logistics | Narrow urban terraced streets in Radford may require small-plant machinery, manual muck-away, or street skip permits. |
| Glazing & Interior Specification | Choice of aluminium bi-folding doors, bespoke roof glazing, underfloor heating, and high-specification bathroom and floor finishes. |
Cost ranges on this page are indicative guides only, not quotations. Your figure depends on the survey, specification and site conditions.
Projects we take on in Radford
We deliver a wide variety of double storey extension layouts tailored to the architectural styles found throughout Radford. Popular configurations include two-storey rear additions that expand ground-floor kitchens into spacious open-plan dining and living areas, while creating a generous master bedroom with an ensuite bathroom or dedicated home office on the first floor. On wider plots and semi-detached properties, double storey side extensions are an effective way to introduce integral utility rooms and ground-floor shower rooms beneath new upper-level bedrooms. We also design wrap-around two-storey extensions that merge side and rear footprints to dramatically increase interior floor space. For period brick properties, we focus on matching original bonding patterns, window alignments, and roof pitches, while incorporating modern high-performance insulation, aluminium bi-fold doors, and energy-efficient glazing systems.
Read the full Double Storey Extensions guide for design options, planning rules and what drives cost.
Living in the house while we work
Living in your home while a two-storey extension is under construction is entirely possible, though it requires practical planning and clear boundaries. We focus our early groundwork, masonry, and roof framing outside the existing building footprint, leaving your primary living areas undisturbed for the initial weeks. When breaking through existing external walls to link the new space, we erect heavy-duty, dust-sealed timber stud partitions to contain debris and keep cold draughts out of your home. Essential services like water, electricity, heating, and drainage are maintained throughout the build, with any unavoidable short-term shutoffs scheduled well in advance around your routine. In Radford's denser residential streets, we manage parking, material deliveries, and waste removal conscientiously. Skips and storage containers are sited safely on private driveways where possible, or licensed through Nottingham City Council when street placement is required. We keep communal access routes tidy, ensure shared boundaries are respected, and maintain open communication with neighbours throughout the construction timeline.
Areas we also cover near Radford
Design N Build delivers double storey extensions across Radford and all surrounding districts in central Nottinghamshire. Located approximately two miles from Nottingham city centre, our construction teams regularly work in adjacent neighbourhoods including Hyson Green, Lenton, and the broader Nottingham metropolitan area. Whether adapting a period terrace in Radford, expanding an Edwardian semi near Lenton, or modernising family housing in Hyson Green, we understand the local housing typologies and planning requirements enforced by Nottingham City Council. Our established supply network and local trades ensure smooth site management, reliable material deliveries, and prompt coordination with local authority building inspectors across all these neighbouring communities.
Double Storey Extensions in Radford: questions people ask
What are the main cost drivers for a double storey extension in Radford?
Overall spend on a two-storey build in Radford is shaped by foundation depth near old drainage, roof integration with existing slate or tile, structural steel requirements, and bathroom plumbing upstairs. Site accessibility also matters significantly; narrow residential streets or restricted rear access can affect muck-away efficiency, scaffolding erection, and material delivery methods. High-specification internal finishes, bespoke glazing, and extensive structural knock-throughs will naturally shift costs toward the higher end of typical estimates.
What indicative budget should I expect for a two-storey extension in Radford?
As an indicative guide, building a two-storey extension in Radford typically falls between £45,000 and £85,000 for standard shell and interior fit-out. Compact additions might sit at the lower end, while expansive rear extensions involving multiple structural knock-throughs, custom joinery, and high-end ensuites will reach higher brackets. Every home differs structurally, meaning detailed site surveys and structural calculations are essential to establish a firm, itemised quotation before starting.
How long does a two-storey extension take from start to finish?
On-site construction for a double storey extension in Radford generally spans 12 to 16 weeks, assuming standard ground conditions and settled weather. Prior to digging, allow 8 to 12 weeks for architectural drawings, structural engineering calculations, and statutory approvals from Nottingham City Council. We provide a clear week-by-week programme before starting, coordinating groundwork, masonry, roofing, and internal trades to prevent avoidable delays during the build.
Do I need planning permission for a double storey extension in Radford?
Whether you need planning permission depends on the position and scale of the extension. While some two-storey additions qualify under permitted development, many Radford properties sit close to side or rear boundaries, exceeding standard distance thresholds. If your design extends beyond permitted limits, overlooks neighbouring properties, or alters the roofline substantially, we will prepare and submit a full householder planning application directly to Nottingham City Council.
Can I build a two-storey extension under Permitted Development in Radford?
Permitted development rights allow double storey rear extensions without full planning approval only under strict national conditions. The build must not extend beyond the rear wall by more than three metres, must sit at least two metres from any boundary if eaves exceed three metres, and cannot exceed existing roof height. Because Radford features dense plots and tight boundary lines, full planning applications are frequently the safer, more realistic route.
What happens if my Radford property is in a conservation area?
If your property is situated within a designated conservation area or subject to an Article 4 direction in Radford, standard permitted development rights are typically restricted or removed entirely. In these circumstances, Nottingham City Council requires full planning permission to ensure materials, roof forms, window profiles, and brickwork match local character. We verify boundary designations early, preparing heritage-sensitive designs that respect surrounding street architecture.
How do building regulations and council inspections work in Radford?
Every double storey extension requires statutory Building Regulations compliance, regardless of planning status. Nottingham City Council's building control team oversees key stages, inspecting foundation trenches, structural steel installations, floor joists, roof timbers, damp proofing, insulation, and fire safety measures. Once all works pass final inspection, the council issues a formal Building Regulations Completion Certificate, which protects your safety and remains vital for future property sales.
Do I need a party wall agreement with my neighbours in Radford?
If your double storey extension involves building along a shared boundary, cutting into a party structure, or excavating foundations within three to six metres of an adjacent building, the Party Wall etc. Act 1996 applies. You must serve formal notice to neighbours at least two months before structural works commence. We assist in identifying party wall requirements early, helping you obtain written neighbour consent or appoint a surveyor.
How do VAT and milestone payments work during the project?
Standard residential extension work is subject to statutory VAT at the prevailing rate, which is clearly detailed in our transparent written estimates. We operate using a structured, milestone-based payment schedule tied directly to completed stages on site—such as foundations poured, structural shell erected, watertight roof, plastering complete, and final handover. We never ask for large upfront deposits before scheduled work begins.
Why are architectural drawings and structural calculations necessary?
Every successful two-storey project requires detailed architectural plans combined with accurate structural engineering calculations. Structural calculations determine the exact size and placement of steel beams (RSJs), padstones, foundation concrete depths, and timber joist spans to ensure the new upper floor and roof are properly supported. We handle the full technical design package, submitting detailed drawings directly to Nottingham City Council building control for approval.
What should I check when choosing a builder in Radford?
Choosing the right builder requires verifying transparent pricing, proper insurance coverage, proven structural experience, and clear communication. Avoid contractors who quote without reviewing structural drawings or who request substantial upfront cash payments. We supply fixed-price itemised quotations, maintain full contractor liability insurance, oversee council building control inspections, and provide a dedicated project manager on site to answer your questions throughout the entire build.
Can we remain living in our home while the extension is built?
Most homeowners choose to stay in their property throughout a double storey extension, though temporary disruption is inevitable. We seal off work zones using dustproof plastic screening to separate active construction areas from your daily living space. Water and power are kept operational for as long as possible, with any necessary short service disruptions scheduled in advance with your household.
How do you handle skips, deliveries, and narrow street access in Radford?
Dense residential streets in Radford can make plant access, material drop-offs, and skip placement challenging. We evaluate access constraints during our initial survey, arranging road permits with Nottingham City Council when skips must sit on public highways. Deliveries are scheduled during off-peak hours, materials are moved swiftly onto private land, and we ensure shared driveways or narrow side passages remain clear for neighbours.
What warranties and paperwork will I receive upon completion?
Upon completing your project, we provide a comprehensive handover package containing all compliance documentation. This includes the Nottingham City Council Building Regulations Completion Certificate, electrical Part P compliance certificates, gas safety certificates for boiler or radiator alterations, and structural warranties. Retaining these documents securely is critical when remortgaging or selling your Radford property in the future.
Which neighbouring areas around Radford do you cover?
Alongside Radford, we deliver two-storey extensions across neighbouring areas including Hyson Green, Lenton, and the wider Nottingham area. Operating throughout these central districts gives us extensive experience dealing with Nottingham City Council planning policies, local subsoils, narrow urban terraces, Victorian brickwork, and mid-century semi-detached housing typical of the broader Nottingham urban footprint.
How do I get started with a two-storey extension quote?
Getting started is straightforward. Contact our team by calling 07888 885791, messaging us directly on WhatsApp, or submitting your project details through our online quote form. We will arrange a free site consultation at your Radford home, discuss your design aspirations, assess structural and access considerations, and supply a clear, itemised proposal outlining costs and timelines.
Next step for your Radford project
Ready to expand your living space with a professionally designed and built double storey extension in Radford? Design N Build manages the entire process from initial architectural sketches and Nottingham City Council planning submissions through to structural groundwork, brickwork, and full internal fit-out. We provide honest guidance, transparent milestone pricing, and reliable project timelines tailored to your home. Contact our Nottingham team today on 07888 885791 to discuss your ideas, send us a message via WhatsApp, or complete our quick online quote form to arrange your free, no-obligation home consultation and site survey.
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