From loft conversions and extensions to full refurbishments and new builds, RCB Design & Build delivers quality construction across London, Kent, Surrey, and Essex. FMB, TrustMark, and Checkatrade accredited with 20+ years of experience.
Extend your living space with a professionally designed and built house extension. From single-storey rear extensions to full double-storey builds, RCB Design & Build manages every stage from planning through to handover.
Convert your unused loft into a stunning bedroom, home office, or living space. RCB Design & Build specialises in dormer, hip-to-gable, mansard, and Velux conversions across London and the South East.
Full and partial house refurbishments, from complete strip-out and rebuild to targeted kitchen, bathroom, and finish-to-let renovations. RCB Design & Build manages every trade under one contract.
Load-bearing wall removal, RSJ installation, underpinning, and chimney breast removal. RCB Design & Build handles the engineering, Building Regulations, and party wall process.
New-build houses, annexes, garages, and garden rooms. RCB Design & Build manages the full project from groundworks and foundations through to final handover and snagging.
Professional kitchen renovations including strip-out, re-plumb, re-wire, plastering, tiling, and decoration. Kitchen units and worktops are client-supplied so you choose your own specification.
Complete bathroom renovations including strip-out, re-plumb, waterproofing, tiling, and sanitaryware installation. All tiles and sanitaryware are client-supplied.
Extend your home to create a larger, open-plan kitchen space. RCB Design & Build manages the full build — foundations, steelwork, roofing, and kitchen integration — across London, Kent, Surrey, and Essex.
Convert your garage into a functional living space — bedroom, home office, playroom, or gym. RCB Design & Build handles insulation, damp proofing, electrics, and Building Regulations across London and the South East.
High-end bathroom renovations and accessible bathroom adaptations. From luxury spa-style remodels to wet room conversions and underfloor heating, RCB Design & Build delivers premium bathroom transformations.
Full basement conversions, cellar conversions, and basement extensions. RCB Design & Build manages underpinning, waterproofing, structural engineering, and party wall requirements across London and the South East.
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Free Consultation
Book a free site visit with no obligation whatsoever. Honest advice, no hard sell.
Fixed Price Guarantee
The price we quote is the price you pay. No hidden extras, no surprises.
Price Match Promise
Found a like-for-like quote for less? We'll match it. Fair pricing guaranteed.
Up to 25 Year Warranty
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.