House Extensions in Tooting
RCB Design & Build | A2Z Principal Contractors delivers loft conversions, rear extensions, full house refurbishments, and structural alteration works across Tooting, Tooting Bec, and the SW17 postcode area. Tooting has seen sustained house price growth and significant owner-occupier investment over the past decade, driven by its excellent tube connections, vibrant high street, and the quality of its Victorian and Edwardian housing stock. The streets of SW17 — generous Edwardian terraces, Victori
House Extensions in Tooting — what to expect
Kitchen extensions and single-storey rear additions are highly popular in Tooting. We coordinate the full scope — planning, structural, drainage, glazing, and decoration — as a single project.
Tooting property types
. We manage the complete structural, roofing, insulation, staircase, and internal fit-out scope. The property type affects which extensions approach works best — we'll advise from the first call.
Common extensions projects we deliver in Tooting
How we deliver extensions in Tooting
Free consultation & survey
We visit your Tooting 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 Tooting 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 Tooting
**Full house refurbishments.** We manage comprehensive whole-house refurbishments for buyers and homeowners in SW17 — typically covering structural alterations, rewiring, heating systems, kitchens, bathrooms, flooring, and decoration. **Structural alterations.** Ground-floor layout changes and stru
Why choose RCB Design & Build in Tooting?
Local knowledge
We work in Tooting 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 Tooting
Start your Tooting project
Free consultation. Fixed price. 25-year warranty. One team from first call to final sign-off.
Or call us on 07359 872594