Kitchen Extensions

About our kitchen extensions service

A kitchen extension is often the most transformative project a homeowner can undertake, shifting the focus of the property toward a more social and open-plan lifestyle. Beyond simply adding floor space, these projects involve complex structural openings to merge existing rooms with new builds, creating a seamless flow that standard layouts often lack. For residential clients, this usually means a rear extension that accommodates a large island and dining area. In commercial settings, such as restaurants or boutique hotels, a kitchen extension can provide the necessary footprint for upgraded industrial equipment and improved food preparation workflows. Our approach integrates architectural design with practical construction, ensuring that elements like drainage, ventilation, and M&E (mechanical and electrical) services are handled with precision. Whether you are considering a side return to widen a narrow galley kitchen or a large wrap around extension to create a multi-functional family zone, we manage the process from the first structural calculation to the final decorative finish.

What's included

• Structural Openings and Steels

  Removing load bearing walls to create large, unobstructed spaces between the original house and the new extension using high-grade steel beams.

• Glazing and Rooflights

  Strategic placement of rooflights, lanterns, and floor-to-ceiling glazing to maximise the entry of natural light into the deeper parts of your home.

• Integrated Kitchen Renovation

  Coordinating the installation of your new kitchen with the construction phase to ensure all services are perfectly aligned with your chosen layout.

• M&E Services

  Managing all technical aspects including heavy-duty appliance circuits, task lighting, prep-sink plumbing, and modern extraction systems.

• Flooring and Internal Tiling

  Sourcing and laying durable flooring such as LVT, stone, or engineered wood that can withstand the high traffic of a busy kitchen environment.

Key benefits

• Increased Living Space

  Increase your floor area to accommodate dining tables, seating areas, or larger islands that wouldn't fit in a standard layout.

• Natural Light Optimisation outdoor

  Introduce natural light through rooflights, bi-fold doors, and lanterns, transforming a dark kitchen into a bright, airy environment for cooking and socialising.

• Improved Daily Functionality

  Custom layouts allow for better workflows, dedicated utility spaces, and integrated storage solutions tailored to how your family actually uses the kitchen every day.

• Property Value Appreciation

  A high quality kitchen extension is a sought after feature that can substantially increase the resale value and marketability of your residential property.

• Indoor Outdoor Integration

  Open up the rear of your home to create a fluid connection between your indoor cooking space and the garden or patio area.

Project types we cover

• Rear Kitchen Extensions
• Side Return Extensions
• Wrap Around Extensions Building
• Open Plan Kitchen Diners
• Commercial Catering Extensions

Our process

1. 1
   Feasibility and Design

   We evaluate your site, discuss your goals, and determine whether your project fits under Permitted Development or requires full planning permission.

2. 2
   Structural Engineering

   Our engineers calculate the steel requirements for any structural openings, ensuring the safety and stability of the existing house and the new extension.

3. 3
   Shell Construction

   We manage all groundworks, drainage alterations, and the construction of the brickwork or timber frame shell to make the building watertight.

4. 4
   Internal Fit Out

   Our team installs all plumbing, gas, and electrical systems, including specific requirements for kitchen appliances, lighting, and underfloor heating.

5. 5
   Finishes and Handover

   The final stage involves installing your chosen kitchen units, worktops, and flooring, followed by a final inspection to ensure everything meets our standards.

Why choose Design N Build Construction Company

• Specialist Knowledge

  We treat the kitchen as a functional workspace and a social hub, ensuring the design works for your specific cooking and lifestyle habits.

• End-to-End Management

  Our project managers handle everything from building control inspections to sub-contractor scheduling, keeping the project on track and within budget.

• Transparent Communication

  We provide clear, honest advice on materials and structural options, helping you make informed decisions without the pressure of hidden costs.

• High Standards of Craftsmanship

  Our builders and tradespeople are highly skilled in their respective fields, from precision brickwork to intricate cabinetry installation and finishing.

• Regulatory Compliance

  We prioritise safety and compliance, ensuring all works meet current UK Building Regulations and local planning requirements for your peace of mind.

Frequently asked questions

Talk to us about your project

Starting a kitchen extension project requires careful coordination between structural engineering, architectural design, and interior fit-out. At Design N Build, we help property owners navigate every stage, from initial feasibility studies and planning applications through to the final installation of cabinetry and finishes. Whether you are looking to create an open-plan family hub or a professional-grade catering space for a commercial property, our team provides the technical expertise and project management required to deliver a successful outcome. Contact us today to discuss your ideas, arrange a site visit, or receive a detailed quotation based on your specific requirements. Let us help you plan a space that balances aesthetic appeal with practical structural integrity.