Structural alterations, new openings and steel support in Hammersmith and Fulham. Trusted, professional, 30+ years' hands-on experience.
GS Renovation carries out structural alterations throughout Hammersmith and Fulham, from new openings in Parsons Green terraces to replacement joists and underpinning near the River Thames. Drawing on 30-plus years in W6, W12, W14 and SW6, we form supported openings, renew failed timbers and strengthen foundations, all engineer-designed and signed off under the Building Regulations.

Whether you are widening a doorway, forming a supported opening into a rear closet wing, or replacing joists lost to old damp, the borough's period stock needs a considered approach. Many Fulham and Shepherd's Bush terraces have soft lime mortar, undersized original timbers and settlement from a century of use, so we begin with a structural survey and engineer's calculations rather than guesswork.
For new openings The engineer sizes the steel beam or lintel to the span, set it on padstones and prop safely while it goes in. Replacement joists are matched for depth and spacing and tied into sound bearings. Where a bay or wall has dropped, underpinning in sequenced bays takes the foundation down to firmer ground. Each solution is drawn up before we start.
Because these houses share party walls, alterations near a boundary, underpinning next to a neighbour, or a beam bearing into the shared wall are notifiable under the Party Wall Act. You serve the correct notices in good time, which matters on the tightly spaced streets around Fulham Broadway and Bishops Park where every terrace adjoins its neighbours on both sides.
Structural alterations fall under the Building Regulations, so Hammersmith and Fulham Council's building control approves and inspects the works, not the planning department. Planning only comes into play if the exterior changes in a conservation area or the home is listed. We coordinate the engineer and the inspections so your W6 or SW6 project is fully certified from design to completion.
GS Renovation is the sensible choice for structural alterations in Hammersmith and Fulham because you deal with one team from survey to sign-off. We manage the structural engineer and building control, size every beam and underpinning bay correctly, and keep a dust-sheeted, tidy site in your occupied home, all underpinned by more than 30 years across the borough.
George always kept to commitments and arrived on time. He offered helpful suggestions during his initial visit and promptly provided a reasonably…
Excellent service. George's knowledge and skills are the best in the market. He knows what he is doing, does really high quality work, gives good…
George was very friendly and helpful from start to finish. He worked really hard to ensure our kitchen was installed to a high standard and was…
FAQ
Because scope, not skill, is what differs. A structural alterations quotation that omits the engineer, the Hammersmith and Fulham Council fee or the making good will always undercut one that includes them, which is why Hammersmith and Fulham homeowners see such a spread. We list each element for the W6 address so nothing hides. GS Renovation would rather explain a difference than quietly match a lower Hammersmith and Fulham figure. Ask every Hammersmith and Fulham builder quoting for your W6 home to supply the same breakdown. 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.
Yes, and it is issued in writing with the quotation. The structural alterations programme for your W6 property names the start date, the stages, the Hammersmith and Fulham Council inspection points and the completion date. If a bay-fronted Victorian terraced building forces a change, GS Renovation tells a Hammersmith and Fulham homeowner immediately and re-plans rather than quietly slipping. Ask any Hammersmith and Fulham builder for the same document. Ring 07472 424 226 and we will send a sample W6 programme before you decide.
Read them before you speak to us, ideally. The MyBuilder reviews describe how structural alterations projects actually ran, which is more useful to a Hammersmith and Fulham homeowner than any claim we could make about the W6 job. GS Renovation holds a 4.9 rating across 31 reviews. We will supply addresses too, so you can look at finished Hammersmith and Fulham work. Email info@gsrenovationltd.co.uk for details. Ask for W6 addresses and visit a finished Hammersmith and Fulham job.
The structural engineer. GS Renovation is a contractor: we appoint and coordinate the engineer, arrange the temporary works, and build to their design at your Hammersmith and Fulham address. We do not produce calculations ourselves, and any builder claiming to is worth questioning.
Damp, decayed timber and load paths that are not where anyone expected. Edwardian bay-fronted houses with generous ceiling heights and long rear gardens hide all three, which is why structural alterations at a W6 address starts with careful opening up rather than demolition. GS Renovation tells a Hammersmith and Fulham homeowner immediately and prices the fix in writing. Nothing proceeds on a Hammersmith and Fulham site until you have agreed it. Email info@gsrenovationltd.co.uk and we will explain how structural alterations variations are agreed at a W6 property.
No. Underpinning is a structural matter dealt with under the Building Regulations, so Hammersmith and Fulham Council's building control inspects and signs it off rather than the planning department. As it works alongside the shared party wall, we also serve Party Wall Act notices on your neighbour. Planning only applies if the exterior of a listed or conservation-area property changes.
We do, and the borough boundary is not something we price against. What decides whether GS Renovation takes a structural alterations project is capacity and scope rather than whether the W6 property is in Hammersmith and Fulham or elsewhere in Hammersmith and Fulham. Quotes are free and carry no obligation. Call 07472 424 226 for current availability. Aftercare visits reach a West London address just as easily. Nothing is owed for the W6 survey or for the written quotation.
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 Hammersmith and Fulham. Explore what else we do locally:
Same Service, Nearby Areas
We carry out structural alterations across Hammersmith and Fulham and the surrounding areas. Explore a nearby location:
Free, no-obligation quote for structural alterations in Hammersmith and Fulham. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.