Construction Company in Leeds.

Design N Build serves Leeds and locations within roughly 27 miles, covering residential extensions, commercial fit-out, civils and full design-build. Accredited (CHAS, Constructionline), fully insured and locally mobilised — a Leeds site survey is booked within 24 hours of your enquiry.

In Leeds we deliver extensions, loft conversions, full renovations, new-build homes, commercial fit-out, civil engineering, groundworks, drainage and turnkey design-build. Every Leeds project is single-contract, fixed price and managed by a dedicated project manager from brief to handover.

Survey within 24 hours, fixed-price BOQ in 7–10 days, and Leeds site mobilisation usually 2–3 weeks after contract sign-off. Emergency or urgent commercial works can be brought forward where programme allows.

Yes. We hold £5M public liability cover, employer's liability insurance, professional indemnity, plus CHAS, Constructionline and SafeContractor accreditation — the standards required to deliver public-sector and commercial work across Leeds.

Costs in Leeds vary by scope: rear extensions £1,800–£2,800 per m², loft conversions £45,000–£75,000, commercial fit-out £600–£1,500 per m². You'll receive a fixed-price Leeds BOQ — never a vague estimate — after the free site visit.

Yes. We run pre-application advice, full planning submissions, Building Regulations applications and condition discharge with the local authority covering Leeds, plus party wall, CDM and statutory undertaker liaison. One team handles every approval.