Construction Company in Kingston upon Thames.

Design N Build serves Kingston upon Thames and locations within roughly 33 miles, covering residential extensions, commercial fit-out, civils and full design-build. Accredited (CHAS, Constructionline), fully insured and locally mobilised — a Kingston upon Thames site survey is booked within 48 hours of your enquiry.

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

Survey within 48 hours, fixed-price BOQ in 7–10 days, and Kingston upon Thames 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 Kingston upon Thames.

Costs in Kingston upon Thames 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 Kingston upon Thames 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 Kingston upon Thames, plus party wall, CDM and statutory undertaker liaison. One team handles every approval.