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House Extensions Hackney

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

GS Renovation designs and builds extensions across Hackney, working with both the borough's warehouse conversions and its period terraces near Broadway Market and London Fields. With more than 30 years in E2, E8, E9 and N16, we handle foundations, steelwork, roofing and fit-out, and guide you through Hackney Council's planning rules from the first drawing.

House Extensions in Hackney, London by GS Renovation
House Extensions by GS Renovation in Hackney.

Rear and side-return extensions in Hackney

The classic Hackney extension adds space to a Victorian terrace, either extending the rear or filling the side return to widen a narrow kitchen. We dig and lay the foundations, allowing for any trees or shallow drains common on these older plots, then form the walls and fit steel beams where the back of the house opens up. A well-detailed flat or pitched roof, with rooflights, keeps the new space bright and usable.

Whether your project is permitted development or needs a full planning application depends on the property. Many single-storey rear extensions in Hackney fall under permitted development, but flats, homes in conservation areas and larger double-storey schemes usually need permission from Hackney Council. We assess your specific address, prepare the application where required, and handle any party wall notices with neighbours before building work begins on your E8 or N16 home.

Extending Hackney flats and conversions

Extending a warehouse conversion or new-build apartment is a different matter from extending a house. Structural change is limited, and any alteration to the building's fabric usually needs the freeholder's consent and coordination with the managing agent. Rather than a rear extension, projects here often mean reconfiguring the existing envelope, adding a mezzanine where the ceiling height allows, or enclosing a balcony, all within the building-management rules set out in your lease.

Where a genuine extension is possible, such as on the ground floor of a converted building with garden rights, we work through both Hackney Council's planning requirements and the terms of your lease. We prepare the structural and drainage details, manage sound insulation between units, and sequence the work to minimise disruption to neighbours in your block across Dalston, Hoxton or Shoreditch while keeping the managing agent informed throughout.

  • Side-return and rear extensions
  • Wrap-around extensions and infills
  • Loft conversions and roof works
  • Planning permission and permitted development
  • Foundations, groundworks and steel frames
Service areaHackney · E2, E5, E8 and E9
Local authorityHackney Council
Part ofEast London (Inner London)
Typical homesWarehouse conversions and new-build riverside apartments
Also covered nearbyIslington, Haringey, Waltham Forest, Tower Hamlets and Newham

Why Choose GS Renovation in Hackney

Homeowners across Hackney choose GS Renovation because we understand both sides of the borough, the freehold terraces and the leasehold conversions. We tell you honestly whether your extension is permitted development or a planning matter, coordinate party walls and any licence to alter, and deliver the groundwork, steel and finish as one project backed by 30+ years.

  • Free, no-obligation quotations
  • Over 30 years of hands-on experience
  • Dedicated project management
  • Fully insured and guaranteed work
  • Building control and planning support
  • Clean, tidy and reliable tradespeople
30+ YearsExperience
Fully Insured& Guaranteed
500+ ProjectsCompleted
Building ControlCompliant
Free QuotesNo obligation
Reviews

Rated 4.9 / 5 by our clients

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

★★★★★
George was brilliant. Lovely bloke, very reasonably priced and a perfectionist to boot. He completed our small kitchen renovation with care and great attention to detail. I've already recommended him to others.
OscarCrofton Park, London · via MyBuilder
★★★★★
Splendid job on our new kitchen refurb, including new flooring, moving the services, installing RSJ and preparing space for new back doors… George was always friendly, communicative and has an excellent attention to detail, ensuring everything is finished to a high standard.
KathWood Green, London · via MyBuilder
★★★★★
Giorgio is an excellent and intelligent workman, and with very reasonable prices!… He paid a lot of attention to detail that is not common at all, and the final result was immaculate. Highly recommended!
Adil KhanWoolwich, London · via MyBuilder
Read all 31 reviews on MyBuilder

FAQ

Frequently Asked Questions about House Extensions Hackney

How much does house extensions cost in Hackney?

The cost of house extensions in Hackney depends on the size of the property, the specification and the scope of work. GS Renovation provides free, detailed and itemised quotations for every Hackney project. Call 07472 424 226 or email info@gsrenovationltd.co.uk for a no-obligation estimate. 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 long does house extensions take in Hackney?

How long house extensions takes in Hackney depends on the size of the job, but we always agree a programme before starting and stick to it, keeping you informed from the first day to the last.

Why choose GS Renovation for house extensions in Hackney?

Because we manage every trade in-house, your Hackney project stays consistent and accountable from first fix to finish. Add transparent pricing, full insurance and real aftercare, and it is easy to see why Hackney clients recommend us.

Do I need planning permission for an extension in Hackney?

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

Do you work on warehouse-conversion and new-build homes in Hackney?

Yes. A large share of Hackney's homes are warehouse-conversion and new-build properties, and we renovate them regularly. We plan each house extensions around their particular characteristics, such as concrete or steel frames, building-management rules and modern services, so the result suits the building and meets building control.

Does my Hackney extension need planning permission or is it permitted development?

It depends on your property. Many single-storey rear extensions on Hackney houses are permitted development, but flats and conversions have no such rights, and homes in the borough's conservation areas usually need consent. We check your exact address and the council's records, then either confirm permitted development or prepare and submit the planning application to Hackney Council for you.

Do you cover all of Hackney?

Absolutely. Our team works right across Hackney and the E2 area and neighbouring parts of East London. Get in touch on 07472 424 226 to check coverage for your address.

Every Service, One Team

More GS Renovation Services in Hackney

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

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Ready to Start Your Hackney Project?

Contact GS Renovation today for a free, no-obligation quote for house extensions in Hackney.

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