House Extensions in Bow
RCB Design & Build | A2Z Principal Contractors delivers loft conversions, rear extensions, full house refurbishments, and structural alteration works across Bow, Mile End, and the E3 postcode area. Bow is one of east London's most rapidly evolving residential areas — a mix of Victorian terraced streets, newer developments, and converted buildings that attract an increasingly diverse community of owner-occupiers and investors. The Victorian terraced stock in particular responds well to loft conve
House Extensions in Bow — what to expect
Kitchen extensions are one of the most popular projects across E3. We manage the full scope — planning, structural work, drainage, glazing, and decoration.
Bow 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 Bow
How we deliver extensions in Bow
Free consultation & survey
We visit your Bow 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 Bow 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 Bow
**Full house refurbishments.** We work with buyers modernising Victorian terraces in Bow, covering all trades in a properly sequenced programme. We also work with landlords managing multi-room properties and HMO upgrades. **Structural alterations.** Through-room configurations, chimney breast remov
Why choose RCB Design & Build in Bow?
Local knowledge
We work in Bow 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 Bow
Start your Bow project
Free consultation. Fixed price. 25-year warranty. One team from first call to final sign-off.
Or call us on 07359 872594