Structural alterations, new openings and steel support in Wood Green. Trusted, professional, 30+ years' hands-on experience.
From new door openings to replacement joists and supported openings, GS Renovation carries out structural alterations throughout Wood Green's Victorian and Edwardian terraces. Backed by 30+ years in Haringey, we handle the awkward realities of N22 period homes, from tired closet-wing floors to shallow original foundations, with engineer-designed solutions and full building control sign-off.

The bay-fronted terraces around Wood Green were built with rear closet wings and side returns, and after a century they throw up all kinds of structural jobs: forming a wider opening into a side-return kitchen, replacing joists lost to old leaks in the closet wing, or cutting a supported opening for a new internal door. Each one is designed by a structural engineer so the loads are properly carried.
Where a home has settled or an extension is planned, we also carry out underpinning to strengthen the shallow Victorian foundations common in N22. Every alteration follows the same disciplined method: temporary propping to hold the structure, staged removal of masonry, then steel or new timber sized to the engineer's calculations and bearing onto padstones where a beam takes concentrated load.
Internal structural alterations are governed by the Building Regulations, not planning permission, so there is no planning application to make for a new opening or a replacement beam. Haringey Council's building control inspects the work at the key stages and issues the completion certificate. The exception is exterior work in a conservation area or on a listed building, where separate consent is needed, and we will flag that early.
Because these terraces are joined to their neighbours, many alterations touch the shared party wall, whether you are bearing a new steel into it or underpinning alongside it. That brings the Party Wall Act into play, so you serve notice on the adjoining owners first. Managing the engineer and the inspections together keeps a Wood Green project moving without unexpected stops.
For structural alterations in Wood Green, GS Renovation gives you one team that owns the whole process: engineer's calculations, careful propping and phased work, and building control sign-off with Haringey Council. We keep occupied N22 homes clean and liveable during the build and stand behind every opening, beam and repair with 30+ years of local experience.
George did a great job on our new bathroom. He is a really friendly and helpful guy and always ready to discuss any issues or concerns and come up…
Very friendly and I am very pleased with the work he has done, also very clean worker and enthusiastic about his work. Can not fault this company!!!!…
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…
FAQ
Labour, materials, approvals, reinstatement and the programme. GS Renovation writes the structural alterations quotation for your N22 home so each element can be checked against another builder's, which is impossible when a rival supplies one round number. The Haringey Council element and any engineer's fee are visible. Email info@gsrenovationltd.co.uk to see the layout before the survey. That Wood Green survey is free and carries no obligation, at an N22 address or anywhere else in Haringey. As a rough guide, structural alterations in London ranges from roughly £1,500 for a simple opening to £15,000 or more where underpinning or major works are involved (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.
The authority is not usually the bottleneck. What slows a structural alterations job at an N22 address is discovering an application should have gone in weeks earlier, which is why GS Renovation handles it rather than leaving it with the Wood Green homeowner. Inspections are attended on site. The paperwork is chased through to the Haringey Council certificate you will need on sale. GS Renovation books and attends every inspection at the N22 property across Haringey.
Paperwork is where structural alterations projects quietly lose time, so we take it on. GS Renovation runs the Haringey Council application and inspections for your N22 property alongside the works programme, which keeps the Wood Green job moving. The engineer's design, where the structure requires one, is coordinated by us as well. You receive the certificate at completion. Ring 07472 424 226 to hear how a Haringey application runs. The certificate matters when a Haringey property changes hands.
Yes, and often they should be. Sequencing matters more than speed with structural work: propping, then removal, then permanent support, with Haringey Council inspecting at each defined point. We set that order out for your Wood Green project before starting.
Only where the property genuinely warrants it. Structural alterations are priced from what the N22 survey finds rather than from the age on the deeds, so a well-maintained Wood Green house of that period is not loaded with a period premium. GS Renovation itemises so you can see the reasoning. Comparing that against another Haringey quotation is straightforward. Ring 07472 424 226 and we will explain how a structural alterations quotation is built up at N22.
No. Internal structural alterations such as a new opening or replacement joists fall under the Building Regulations, not planning permission, and Haringey building control signs them off. Planning consent only comes into play for exterior changes if your street sits in a conservation area or your home is listed, which we check for you before starting.
We do, and the boundary is not a hard line. What decides it for a structural alterations project is whether GS Renovation can survey the N22 property, run the Wood Green programme and come back for aftercare without the travel undermining any of it. Most of Haringey and North London qualifies comfortably. Call 07472 424 226 and we will be straight with you. Quotes remain free either way. Aftercare visits to N22 are part of the same commitment.
Every Service, One Team
The same trusted team, 30+ years' hands-on experience and free, no-obligation quotes apply to every GS Renovation service in Wood Green. Explore what else we do locally:
Same Service, Nearby Areas
We carry out structural alterations across Wood Green and the surrounding areas. Explore a nearby location:
Free, no-obligation quote for structural alterations in Wood Green. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.