Structural alterations, new openings and steel support in Fulham. Trusted, professional, 30+ years' hands-on experience.
GS Renovation carries out structural alterations across Fulham, from new openings in bay-fronted terraces near Parsons Green to replacement joists and underpinning closer to the River Thames. With more than 30 years of building experience in SW6, we form supported openings, renew failing timbers and strengthen foundations, all engineered and certified.

The Victorian and Edwardian terraces that fill SW6 have rear closet wings and side returns that homeowners frequently want opened up or reconfigured. Whether you are forming a wide new opening between kitchen and garden or replacing joists that have sagged or suffered from damp, we start with an engineer's assessment and a beam schedule sized to the actual spans in your house, not a rule of thumb.
Every supported opening we form gets a steel beam bearing onto padstones, temporary propping while the wall comes down in stages, and building control inspection of the bearings before anything is closed up. Replacement joists are specified for span and grade, and where a wall shows movement we investigate the cause first, so the alteration solves the problem rather than hiding it.
Some Fulham terraces near the Thames and Bishops Park sit on ground that has moved over their long lives, and where an engineer confirms inadequate foundations we underpin in controlled sections to deepen and stabilise them. This is methodical work, done bay by bay with full building control involvement, and never rushed. We only underpin where the engineering genuinely calls for it, backed by proper investigation.
Structural alterations are governed by the Building Regulations, so Hammersmith and Fulham Council's building control inspects and certifies the work; planning permission is not required for internal structural changes in a standard terrace. Where an opening, underpinning or beam affects the party wall shared with your neighbour, the Party Wall Act applies and you serve the required notices before starting.
For structural alterations in Fulham, GS Renovation gives you a single accountable team: engineer-designed openings, joists and underpinning; freeholder matters handled; building control sign-off with Hammersmith and Fulham; and clean, staged working in your SW6 home. Thirty years of period-property experience means the fix addresses the cause, not just the symptom.
George was brilliant. Lovely bloke, very reasonably priced and a perfectionist to boot. He completed our small kitchen renovation with care and great…
George always kept to commitments and arrived on time. He offered helpful suggestions during his initial visit and promptly provided a reasonably…
Giorgio is an excellent and intelligent workman, and with very reasonable prices! He installed a kitchen extractor fan in a complicated situation…
FAQ
Not by much, and not because of the postcode. What raises a structural alterations figure here is the housing rather than the location: solid-wall Victorian terraces with original chimney breasts and suspended timber floors take more making good than a modern estate. Access and parking around SW6 affect the labour line too. GS Renovation prices the property in front of it rather than applying a Fulham or West London multiplier. Ring 07472 424 226 and GS Renovation will explain what actually moves the figure at SW6. 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 frequently the better answer. Leaving a pier at each end of an opening in your Fulham house gives the beam somewhere to bear without new posts or pad foundations, and it keeps wall space for furniture and lighting. A full width removal transfers everything to the ends of the room and usually costs more. The engineer sets out what each version needs before the choice is made.
Cutting a new opening in a floor and closing an old one, both of which are structural. In your Fulham house the joists interrupted by a new stairwell are carried on trimmers designed for the transferred load, and the floor where the old stair was is made continuous again. Head height, the pitch and the balustrade all have to satisfy the regulations, and head height is what usually defeats a drawing.
It depends on the title, and it matters before anything is built against them. At a Fulham house the boundary may be owned by one side, shared as a party fence wall, or of uncertain ownership. Where a structure is built off it or excavation happens close to it, the Party Wall etc. Act may apply. The deeds are checked before a design assumes anything about that line.
By opening up enough to see what is actually there. At a Fulham property that usually means lifting a board to establish joist direction and depth, exposing a small area at each proposed bearing, and looking at any cellar or void below. Those investigations are modest and they prevent a design built on assumption. The engineer specifies what needs to be exposed before attending.
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 Fulham. Explore what else we do locally:
Same Service, Nearby Areas
We carry out structural alterations across Fulham and the surrounding areas. Explore a nearby location:
Free, no-obligation quote for structural alterations in Fulham. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.