Building from scratch gives you complete control over layout, specification, and energy performance. RCB Design & Build delivers new-build projects across London and the South East, acting as principal contractor under CDM 2015 regulations. We manage every stage — site preparation, foundations, superstructure, roof, first and second fix, external works, and landscaping. Our team coordinates all trades, building control inspections, and utility connections to deliver a turnkey new build on programme and on budget.
Complete new-build dwellings from foundation to finish. All structural, mechanical, and electrical trades managed under one contract.
Self-contained living annexes for family members. Includes own entrance, kitchen, bathroom, and living space.
Purpose-built garages with options for storage, workshop space, and living accommodation above.
Insulated, serviced garden rooms for home offices, gyms, or studios. Typically built under permitted development.
New-build costs in London and the South East typically range from £1,800 to £2,800 per square metre depending on specification, ground conditions, and site access. We provide a fixed price after reviewing your drawings and conducting a site visit.
New-build houses and annexes require full planning permission. Some garden rooms and outbuildings under 15m² may fall under permitted development. We advise on the planning route during the initial consultation.
A typical 3-bed new-build house takes 24–32 weeks from breaking ground to handover. Garden rooms and annexes are faster — typically 10–16 weeks. We provide a detailed construction programme at contract stage.
Yes. We coordinate water, gas, electric, and drainage connections with the relevant utility providers. We also manage the Building Control process from initial notice through to final completion certificate.
All our new-build work is backed by our company warranty and our FMB membership. We can also arrange structural warranty insurance (typically 10 years) if required by your mortgage lender.
Tell us about your new builds project and we'll be in touch within 2 hours. Free site visit, no obligation.
Book a free site visit with no obligation whatsoever. Honest advice, no hard sell.
The price we quote is the price you pay. No hidden extras, no surprises.
Found a like-for-like quote for less? We'll match it. Fair pricing guaranteed.
Structural work backed by up to 25 years. FMB & TrustMark registered for your peace of mind.
Get a free site visit and a fixed written quotation within 5 working days. No obligation, no hard sell.