Areas / West London / Hounslow
TW3, TW4, TW5, TW7, TW8

Loft Conversions in Hounslow

Hounslow covers the TW3–TW8 postcodes including Hounslow town, Isleworth, Brentford and Heston. The interwar semi-detached stock generates consistent extension and loft conversion work.

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

Loft Conversions in Hounslow — what to expect

Hip-to-gable loft conversions are common across the interwar semi-detached stock in TW3, TW4 and TW5. Rear dormers complement the conversion. Brentford (TW8) has some Victorian terrace stock that suits rear dormer conversions. Most proceed under permitted development.

Hounslow property types

Interwar and post-war semi-detached and terraced houses, Victorian terraces near the town centre. The property type affects which loft conversions approach works best — we'll advise from the first call.

Common loft conversions projects we deliver in Hounslow

Hip-to-gable loft conversion in TW3/TW4
4–6m rear extension on interwar semi
Side extension into garage
Full buy-to-let refurbishment in Hounslow
HMO conversion in TW3/TW4

How we deliver loft conversions in Hounslow

01

Free consultation & survey

We visit your Hounslow 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 Hounslow 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 Hounslow

Hounslow has conservation areas in Isleworth, Brentford and parts of Hounslow town. Brentford waterfront has specific planning considerations. Verify with LBHounslow Planning.

Why choose RCB Design & Build in Hounslow?

Local knowledge

We work in Hounslow 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 Hounslow project

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

Or call us on 07359 872594