Areas / North London / Enfield
EN1, EN2, EN3

House Extensions in Enfield

Enfield's suburban housing stock — predominantly interwar and post-war detached and semi-detached — offers good extension and loft conversion potential. The borough is one of outer North London's most active renovation markets.

✓ Fixed-price guarantee✓ Up to 25yr structural warranty✓ Checkatrade-verified✓ FMB & TrustMark registered✓ Principal contractor

House Extensions in Enfield — what to expect

Enfield's detached and semi-detached stock in EN1 and EN2 suits larger rear and side extensions. Prior approval 8m rear extensions are common on the detached stock. Side extensions into garages are popular. Double-storey side extensions are viable on wider plots across EN1 and EN2.

Enfield property types

Interwar and post-war detached and semi-detached, Victorian terraces in Enfield Town, 1960s–80s estates in EN3. The property type affects which extensions approach works best — we'll advise from the first call.

Common extensions projects we deliver in Enfield

Hip-to-gable loft conversion with rear dormer
Prior approval 6–8m rear extension
Side extension into garage or side passage
Double-storey side extension on detached property
Full family home refurbishment package

How we deliver extensions in Enfield

01

Free consultation & survey

We visit your Enfield property, assess what's possible, and give you a fixed-price indication 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

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.

04

Managed delivery

We manage all trades, procurement, and site logistics. You have a single point of contact throughout. Our site teams are familiar with Enfield and the local planning and building control requirements.

05

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 Enfield

Enfield has Green Belt land in EN2 (Enfield Chase area). Properties near the Green Belt edge face restrictions on extension size. Conservation areas apply in Enfield Town and Forty Hill. Verify with LBEnfield Planning.

Why choose RCB Design & Build in Enfield?

Local knowledge

We work in Enfield 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.

Start your Enfield project

Free consultation. Fixed price. 25-year warranty. One team from first call to final sign-off.

Or call us on 07359 872594