House Extensions in Wimbledon
Wimbledon is one of South West London's most desirable locations — large family houses, excellent schools, and the green space of Wimbledon Common and Wimbledon Park. Property values are among the highest in outer South West London, and the renovation market reflects that ambition. RCB Design & Build delivers extensions, loft conversions, and full refurbishments across SW19 and SW20.
House Extensions in Wimbledon — what to expect
Wimbledon's large detached and semi-detached Victorian and Edwardian properties offer exceptional extension potential. Rear extensions here are typically more generous in scale than inner London — 5-8m depth extensions are common, and double-storey rear extensions are viable on many properties. Wrap-around extensions combining rear and side works maximise the footprint on corner and end-of-terrace properties. Conservation area controls apply in parts of SW19 including Wimbledon Village.
Wimbledon property types
Large Victorian and Edwardian detached and semi-detached houses, period terraces, apartment buildings. The property type affects which extensions approach works best — we'll advise from the first call.
Common extensions projects we deliver in Wimbledon
How we deliver extensions in Wimbledon
Free consultation & survey
We visit your Wimbledon property, assess what's possible, and give you a fixed-price indication before you commit to anything. No obligation.
Design & planning support
We work alongside your architect or our preferred design partners to develop drawings that are buildable, compliant, and cost-effective. We flag planning and permitted development options early.
Fixed-price contract
You receive a detailed, itemised scope of works and a fixed price before we start. No surprises mid-project. Variations are agreed in writing before any additional work begins.
Managed delivery
We manage all trades, procurement, and site logistics. You have a single point of contact throughout. Our site teams are familiar with Wimbledon and the local planning and building control requirements.
Sign-off & warranty
We complete to building regulations standard and obtain all relevant sign-off. Your structural warranty covers up to 25 years.
Planning in Wimbledon
Wimbledon Village Conservation Area applies strict design controls in SW19. Merton Council has additional guidance on extensions to large period houses. Many Wimbledon properties have trees subject to Tree Preservation Orders — external works require TPO consultation. Article 4 directions may apply in parts of the borough to HMO conversions.
Why choose RCB Design & Build in Wimbledon?
Local knowledge
We work in Wimbledon regularly. We know the planning authority, local building control, and the typical property types and challenges in this area.
Fixed-price guarantee
Your price is fixed before work starts. We absorb material and labour cost movements — not you.
Full principal contractor service
We manage every trade, every supplier, every inspection. You deal with one team from start to finish.
25-year structural warranty
All structural work is covered under our long-term warranty. Proof of quality, in writing.
Checkatrade-verified
Over 100 verified reviews from homeowners across London. Independently verified, not self-reported.
Design-and-build capability
We don't just build — we can support design development, planning applications, and pre-construction cost planning.
Other services in Wimbledon
Start your Wimbledon project
Free consultation. Fixed price. 25-year warranty. One team from first call to final sign-off.
Or call us on 07359 872594