House Extensions in Haringey
Haringey covers Tottenham (N17), Wood Green (N22), Hornsey (N8), Crouch End (N8) and Muswell Hill (N10). The borough has strong extension and loft conversion activity across its Victorian terrace stock.
House Extensions in Haringey — what to expect
Haringey extensions range from tight terrace rear additions in N15 and N17 to more generous extensions on the Edwardian semis in N10. Conservation areas in Crouch End and Muswell Hill restrict permitted development but the underlying demand for extensions is strong across the borough.
Haringey property types
Victorian and Edwardian terraces (Tottenham, Wood Green, Hornsey), Edwardian semis in Muswell Hill. The property type affects which extensions approach works best — we'll advise from the first call.
Common extensions projects we deliver in Haringey
How we deliver extensions in Haringey
Free consultation & survey
We visit your Haringey 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 Haringey 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 Haringey
Haringey has conservation areas in Crouch End, Muswell Hill, Stroud Green and other areas. Tottenham Conservation Areas also exist. Verify with LBHaringey Planning before proceeding with any works.
Why choose RCB Design & Build in Haringey?
Local knowledge
We work in Haringey 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 Haringey
Start your Haringey project
Free consultation. Fixed price. 25-year warranty. One team from first call to final sign-off.
Or call us on 07359 872594