House Extensions in Stockwell
RCB Design & Build | A2Z Principal Contractors works across Stockwell, South Lambeth, and the SW8 and SW9 postcode areas, delivering loft conversions, rear extensions, full house refurbishments, and structural alteration works for homeowners across this increasingly popular south London residential area. Stockwell sits between Brixton and Vauxhall and has a characterful Victorian and Edwardian housing stock that has attracted significant owner-occupier investment. Many properties across SW8 have
House Extensions in Stockwell — what to expect
Kitchen extensions and rear additions are popular projects in Stockwell. We manage the full scope — planning, structural, drainage, and decoration.
Stockwell property types
Period and interwar houses. The property type affects which extensions approach works best — we'll advise from the first call.
Common extensions projects we deliver in Stockwell
How we deliver extensions in Stockwell
Free consultation & survey
We visit your Stockwell 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 Stockwell 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 Stockwell
**Full house refurbishments.** We manage comprehensive refurbishments for Stockwell homeowners — all trades in a properly sequenced programme, covering structural alterations, M&E, kitchens, bathrooms, and decoration. **Structural alterations.** Ground-floor layout changes, structural openings, and
Why choose RCB Design & Build in Stockwell?
Local knowledge
We work in Stockwell 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 Stockwell
Start your Stockwell project
Free consultation. Fixed price. 25-year warranty. One team from first call to final sign-off.
Or call us on 07359 872594