Residential • Commercial • Bespoke Services

From Planning to Aftercare

Areas / North London / Haringey
N4, N8, N10, N15, N17, N22

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.

Side extension kitchen with rooflights, sage green units and bi-fold doors — rcbGroup projectrcbGroup project
✓ Written contract before start✓ 10/10 on Checkatrade · 117+ reviews✓ Building Control managed✓ Planning to aftercare

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 extension approach works best — we'll advise from the first call.

Common extension projects we deliver in Haringey

✓Rear dormer loft conversion in Crouch End/Hornsey
✓Hip-to-gable loft in Muswell Hill
✓Rear extension on N15/N17 terrace
✓Full refurbishment in N4/N8
✓Buy-to-let refurbishment in Tottenham (N17)

How we deliver extension projects in Haringey

01

Project review & site visit

We look at your Haringey property and any drawings you have, explain what's possible, the likely planning and Building Regulations route, and the risks — before you commit to anything. No obligation.

02

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.

03

Itemised scope and price

You receive a detailed, itemised scope of works and an agreed price before we start, with exclusions and provisional sums shown. Variations are agreed in writing before any additional work begins.

04

Managed delivery

We coordinate trades, procurement and site logistics, with a single point of contact throughout — working to the requirements of London Borough of Haringey and Building Control.

05

Sign-off & handover

We coordinate the Building Control inspections needed for sign-off, then hand over your project documents — completion certificate, guarantees and manuals as applicable — with snagging and aftercare as set out in your contract.

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 rcbGroup in Haringey?

Local context

We plan around London Borough of Haringey's requirements and the typical property types in Haringey — victorian and edwardian terraces (tottenham, wood green, hornsey), edwardian semis in muswell hill.

Price agreed before start

Your price is agreed and documented before work starts. Scope, exclusions, and assumptions set out in writing.

One accountable team

Trades, suppliers and inspections coordinated by one team — with CDM Principal Contractor duties taken on where we are appointed to build.

Written project documentation

A written contract before work starts, a Construction Phase Plan where we are appointed to build, and the completion certificate and handover documents gathered for you at the end.

Independently reviewed

Rated 10/10 from 117+ reviews on Checkatrade, where you can read them for yourself.

Support from planning to aftercare

We don't just build — we can support design development, planning applications, and pre-construction cost planning.

Planning an extension in Haringey?

Pick whatever suits you. We'll look at what you have (drawings, photos or quotes) and tell you honestly what the next step should be.

Prefer to phone? Call +44 7359 872594.

Postcodes served: Haringey

Not sure if we cover your street? Get in touch — we'll confirm in minutes.

N4N8N10N15N17N22

Start your Haringey project

Project review. Clear scope. Agreed price. One team from first call to Building Control sign-off.

Or call us on +44 7359 872594

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