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House Extensions Barking and Dagenham

Single and double storey extensions in Barking and Dagenham. Trusted, professional, 30+ years' hands-on experience.

GS Renovation designs and builds extensions throughout Barking and Dagenham, on the roomy plots of the Becontree Estate, Chadwell Heath and Dagenham. With more than 30 years of experience across IG11, RM8, RM9 and RM10, we handle groundworks, steel, roofing and the full fit-out, plus any dealings with Barking and Dagenham Council.

Steel beams laid out and installed across a rear elevation on a GS Renovation structural job
Two beams on the ground and one already seated. Cavity blockwork and the damp proof course are visible below.

Rear and side extensions in Barking and Dagenham

The 1930s semis in this borough sit on generous plots, which suits single and double storey rear extensions, side-return infills down the passage between houses, and wrap-around designs that do both. We dig and pour the foundations, build up in blockwork or cavity brick, install any steel needed to carry the existing structure, then tie the new roof into the old.

Because interwar houses here often have wider gardens than the packed Victorian terraces closer to central London, there is frequently scope for a substantial kitchen-diner across the back. We manage the whole build, from breaking ground to plastering, so the extension reads as part of the original house rather than an obvious add-on.

Planning and permitted development in Barking and Dagenham

Many single storey rear extensions on Becontree and Dagenham semis fall under permitted development, which means no full planning application, though the work still needs building regulations approval and inspection. Larger schemes, most double storey extensions, and anything altering the front or affecting a protected setting will need a planning application to Barking and Dagenham Council.

We assess your specific property early and tell you honestly which route applies. Where the extension sits against the boundary or affects the shared wall of a semi, the Party Wall Act also comes into play. We coordinate the drawings, the council submission where needed and building control into one clear programme.

  • Insulation, airtightness and thermal detailing to regulations
  • Brickwork and mortar matched to the existing elevation
  • Full fit-out, finishing and making good
  • Wrap-around extensions and infills
  • Drainage diversion and build-over agreements with the water authority
Service areaBarking and Dagenham · IG11, RM8, RM9 and RM10
Local authorityBarking and Dagenham Council
Part ofEast London (Outer London)
Typical homesInterwar housing, the Becontree estate and modern developments
Also covered nearbyHavering, Redbridge and Newham

Trusted House Extensions in Barking and Dagenham

Homeowners across Barking and Dagenham choose GS Renovation because we take an extension from foundations to final coat as one accountable team. We know the borough's interwar plots, we are straight about permitted development versus a council application, and 30+ years of local building means solid groundworks, correctly sized steel and a tidy site.

  • Building control inspected at foundation, damp course and steel stages
  • Free, no-obligation quotations
  • Paperwork and certificates handed over for when you sell
  • Drainage diverted or built over with the right approval in place
  • Waste cleared as we go, not left piled in the garden
  • Neighbours given notice before the noisy stages
30+ YearsFounder's experience
Fully Insured5 year guarantee
4.9 / 531 MyBuilder reviews
Building ControlCompliant
Free QuotesNo obligation
Reviews

Rated 4.9 / 5 by our clients

★★★★★ 4.9 average from 31 verified reviews on MyBuilder

★★★★★
I had a bathroom refit which I was very pleased with and I then went on to get my kitchen refitted as I was so happy with the way he worked. Even…
Customer of GSrenovationvia MyBuilder
★★★★★
Saiid did a complete refurbishment of our small bathroom. This involved ripping out the existing bath/shower, basin, toilet, pipework, and tiles and…
mr52782Barnet · via MyBuilder
★★★★★
Really great job done in our bathroom to replace the shower head in the bathtub, and install a shower screen and caddy. We are very happy with the…
anja33030Enfield · via MyBuilder
Read all 31 reviews

FAQ

Frequently Asked Questions about House Extensions Barking and Dagenham

What should I budget for house extensions in Barking and Dagenham?

Budget for the work itself plus a sensible contingency for what a survey cannot see. On a 1930s and interwar property near IG11 the usual unknowns with house extensions sit behind plaster and under floors, so GS Renovation prices what is visible and flags the rest openly. The Barking and Dagenham Council building control fee belongs in your Barking and Dagenham budget too. GS Renovation would rather over-explain a Barking and Dagenham figure than surprise a Barking and Dagenham homeowner halfway through the work. As a rough guide, house extensions in London typically starts from roughly £40,000 for a single-storey rear extension and rises with size and specification (indicative London ranges, MyBuilder and Checkatrade, 2026). Your figure depends on the size, specification and condition of the property, which is why we survey before quoting.

How many trades are on site during house extensions in Barking and Dagenham?

It varies by stage, and they are coordinated rather than overlapping. The structural phase of house extensions at an IG11 property is a small team, after which electricians, plumbers, plasterers and decorators follow in sequence through your Barking and Dagenham home. GS Renovation manages them in-house so nobody waits on anybody. One named project manager runs the Barking and Dagenham site throughout. Ring 07472 424 226 and GS Renovation will name the trades due at an IG11 property in Barking and Dagenham.

How do I know your house extensions work in Barking and Dagenham is done properly?

Independent evidence, in three forms. There is the Barking and Dagenham Council completion certificate for the house extensions work at IG11, the engineer's design that the structure was built to, and 31 public MyBuilder reviews behind our 4.9 rating. GS Renovation will also give a Barking and Dagenham homeowner addresses of finished projects in Barking and Dagenham. Seeing the work in person tells you more than any brochure. Ring 07472 424 226 to arrange it. Ask for the Barking and Dagenham addresses and go and look.

Do I need planning permission for an extension in Barking and Dagenham?

Many single-storey rear extensions in Barking and Dagenham fall under permitted development, but side returns, double-storey extensions and work in conservation areas usually need full permission. We assess your IG11 property and manage both the Barking and Dagenham Council application and building control.

Do you have experience of house extensions in 1930s and interwar buildings across Barking and Dagenham?

It is our core work rather than a sideline. Bay-windowed 1930s semis with side access and separate garages dominate much of Barking and Dagenham, and house extensions on them is what GS Renovation is on site doing most weeks. The 4.9 rating from 31 public MyBuilder reviews covers the same type of project. Ring 07472 424 226 and we will describe recent Barking and Dagenham jobs at IG11. Barking and Dagenham references for house extensions on properties of exactly that age and type all follow on info@gsrenovationltd.co.uk request too.

Will my rear extension in Dagenham need planning permission from the council?

Often not. Many single storey rear extensions on interwar semis in Dagenham are permitted development, so no full application is needed, but they still require building regulations approval. Larger or double storey schemes, and anything altering the front, usually need a planning application to Barking and Dagenham Council. We check your property and confirm the correct route before we start.

Do you cover flats as well as houses for house extensions in Barking and Dagenham?

Flats included, throughout Barking and Dagenham and Barking and Dagenham. The extra step on an IG11 flat is the licence to alter from the freeholder, and on house extensions involving structure the managing agent will want the engineer's design too. GS Renovation coordinates all of that. Email info@gsrenovationltd.co.uk with the address for a free survey. Nothing is owed whether the Barking and Dagenham work proceeds or not. The lease itself governs what is possible at an IG11 address.

Every Service, One Team

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The same trusted team, 30+ years' hands-on experience and free, no-obligation quotes apply to every GS Renovation service in Barking and Dagenham. Explore what else we do locally:

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Free, no-obligation quote for house extensions in Barking and Dagenham. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.

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