Steel beam installation, rsj and structural alterations in Teddington. Trusted, professional, 30+ years' hands-on experience.
GS Renovation installs RSJs and steel beams across Teddington, from the bay-fronted Victorian and Edwardian terraces off the High Street to the riverside homes near the Thames. With over 30 years of structural work in TW11, we handle load-bearing wall removal, propping and building control sign-off as one accountable job under Richmond Council.

Teddington's terraces carry real load through their solid brick walls, so every RSJ we install is sized by a structural engineer, not guessed at. We calculate the span, the point loads from the floors above and any masonry the beam must support, then order steel to that specification. On a typical TW11 rear-to-middle knock-through, the beam bears onto engineered padstones set into the retained brickwork so the new opening stays true for decades.
Before any masonry comes down, we install temporary propping to hold the floors and roof safely, then work through a staged demolition rather than pulling a wall out in one go. This controlled sequence protects the closet wing, the chimney breast and the neighbouring party wall. Once the RSJ is seated and levelled, we pack, pin and make good, then arrange the building control inspection that signs the beam off.
Many Teddington terraces share their chimney stacks and dividing walls with the house next door, which means removing a wall or cutting a beam pocket into a party wall falls under the Party Wall Act. We flag this early, help you serve the correct notices on your neighbours and keep the paperwork clear so the structural programme is not held up. Getting this right at the start avoids disputes once the propping is in and the steel is on site.
Because the terraces here sit close together, we plan access, dust protection and skip placement to suit a tight TW11 street, working cleanly in an occupied home. Whether you are opening the ground floor for a kitchen-diner or forming a wider opening between two reception rooms, we coordinate the engineer, the steel supplier and Richmond Council's building control so the load path is proven and the sign-off is straightforward at completion.
Teddington homeowners choose GS Renovation because one team runs the whole structural job, from the engineer's calculations and party wall notices to the propping, the RSJ and the building control certificate. With 30+ years across TW11 terraces and riverside homes, we prop safely, seat beams on proper padstones and leave the opening true, tidy and fully signed off.
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.
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.
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!
FAQ
Pricing RSJ and steel beam installation in Teddington comes down to the size of the job, the specification you choose and the condition of the property. Rather than guess, we survey and give you a fixed, itemised quote you can rely on. Call 07472 424 226. As a rough guide, RSJ and steel beam installation in London runs roughly £1,500 to £4,000 for the beam itself on a single straightforward opening, covering supply, installation and building control sign-off; a full knock-through including taking the wall out, the structural engineer's fee and making good more typically comes to £2,500 to £6,500 or more (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.
A straightforward Teddington project can be done in a couple of weeks, while a larger RSJ and steel beam installation with structural work runs longer. We set out a realistic, stage-by-stage programme before we begin so there are no surprises.
GS Renovation knows Teddington's homes and how to renovate them properly. We handle the structure, the services and the finishes, deal with building control for you, and leave you with work that is certified, guaranteed and built to last.
Removing a load-bearing wall in Teddington does not normally need planning permission, but it always needs building regulations approval, a structural engineer's calculations and building control sign-off. Where the wall is shared with a neighbour, the Party Wall Act may also apply. We manage all of it.
Yes. A large share of Teddington's homes are Victorian and Edwardian terraced properties, and we renovate them regularly. We plan each RSJ and steel beam installation around their particular characteristics, such as solid brick walls, rear closet wings, side returns and original period features, so the result suits the building and meets building control.
Usually yes. In TW11 terraces the dividing wall or chimney stack is often shared, so cutting a beam pocket into that party wall means serving notice on your neighbour under the Party Wall Act. We identify this early, help you serve the correct notices and coordinate the timing so your steel and building control sign-off are not delayed.
We cover the whole of Teddington and the TW11 area and the surrounding South West London. If you are nearby and not sure, just call 07472 424 226 and we will tell you straight away.
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 Teddington. Explore what else we do locally:
Safe load-bearing wall removal with steel beam support.
Structural alterations, new openings and steel support.
Chimney breast removal with gallows bracket or beam support.
Open-plan kitchen, diner and living conversions.
Single and double storey extensions.
Full refurbishments and whole-house renovations.
Bespoke kitchen design and installation.
Luxury bathroom and wet-room refurbishment.
Same Service, Nearby Areas
We carry out RSJ and steel beam installation across Teddington and the surrounding areas. Explore a nearby location:
Contact GS Renovation today for a free, no-obligation quote for RSJ and steel beam installation in Teddington.
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