Steel beam installation, rsj and structural alterations in Coulsdon. Trusted, professional, 30+ years' hands-on experience.
GS Renovation installs RSJs and steel beams across Coulsdon, from the 1930s semi-detached houses that line CR5 to the interwar suburban homes on their generous plots. With over 30 years of structural experience across Croydon, we remove load-bearing walls safely and open up the compartmented layouts these houses were built with.

The 1930s semis and interwar houses across Coulsdon were planned as a series of separate rooms, with the front reception, the rear reception and the kitchen boxed off from one another. Knocking the two receptions together, or opening the kitchen into the dining room, almost always means removing a load-bearing wall, which is where a properly sized steel beam does the work the old wall was doing.
Every beam we install in CR5 is sized by a structural engineer to the actual loads above it, then set to bear onto concrete or engineering-brick padstones at each end. We prop the structure temporarily, take the wall down in safe staged sections, lift the RSJ into position and pack the bearings so the load transfers cleanly. Nothing is guessed on site.
Many Coulsdon semis share a party wall with the neighbouring house, and the dividing wall or chimney breast you want to alter can sit within that shared structure. Where that is the case, the Party Wall etc. Act 1996 applies, so we help you serve the correct notices on your neighbour before any cutting begins and keep the paperwork straight from the outset.
Steel beam work is governed by building regulations rather than planning permission, so a building control inspector from Croydon Council or an approved inspector checks the beam, its bearings and the fire protection before the job is signed off. We arrange those inspections, protect the steel to the required fire rating and hand you the completion certificate that confirms the work was done correctly.
Coulsdon homeowners choose GS Renovation because we treat structural work as structural work. The engineer sizes the steel, we prop and demolish in safe stages, and building control signs off before we make good. With 30+ years across Croydon and CR5, plus proper handling of party wall notices, you get a beam installed once and installed right.
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
There is no fixed price for RSJ and steel beam installation in Coulsdon, because so much depends on your property and what you want to achieve. We survey first, then provide a transparent written quotation. Contact GS Renovation on 07472 424 226 for a free estimate. 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.
Timescales for RSJ and steel beam installation in Coulsdon vary with the size and complexity of the job. After our survey we give you a realistic schedule and keep you updated at every stage of the project.
Because we manage every trade in-house, your Coulsdon 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 Coulsdon clients recommend us.
Removing a load-bearing wall in Coulsdon 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 Coulsdon's homes are 1930s and interwar properties, and we renovate them regularly. We plan each RSJ and steel beam installation around their particular characteristics, such as cavity walls, regular original layouts and the generous plots that suit extending, so the result suits the building and meets building control.
Often yes. In a Coulsdon semi the wall or chimney breast you are altering can sit within the party wall shared with next door, and in that case the Party Wall etc. Act 1996 requires you to notify the adjoining owner before work starts. We identify whether your wall is affected and help you serve the correct notices, then install the beam under building control.
We do. GS Renovation covers all of Coulsdon and the CR5 area and the wider South London. Call 07472 424 226 and we will confirm we work on your road.
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 Coulsdon. 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 Coulsdon 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 Coulsdon.
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