Construction Company in Colwyn Bay.

Design N Build serves Colwyn Bay and locations within roughly 24 miles, covering residential extensions, commercial fit-out, civils and full design-build. Accredited (CHAS, Constructionline), fully insured and locally mobilised — a Colwyn Bay site survey is booked within 36 hours of your enquiry.

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

Survey within 36 hours, fixed-price BOQ in 7–10 days, and Colwyn Bay 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 Colwyn Bay.

Costs in Colwyn Bay 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 Colwyn Bay 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 Colwyn Bay, plus party wall, CDM and statutory undertaker liaison. One team handles every approval.