GS Renovation installs steel beams and RSJs across Croydon, from the 1930s semi-detached homes of Purley and Coulsdon to the interwar houses around Addiscombe and SE25. With over 30 years of structural experience in CR0, CR2 and CR7, we remove load-bearing walls safely and leave the house stronger than before.
Steel beams for Croydon interwar semis
The interwar semis on the generous plots common across Croydon were built with load-bearing internal walls dividing the front and rear reception rooms. Opening these up calls for a steel beam sized by a structural engineer to carry the floor and, on a two-storey removal, the load above. The engineer calculates the bearing, cast or supply padstones at each end and confirm the spans before any brick is touched.
Every removal begins with temporary propping (Acrow props and strongboys) so the structure is fully supported during a staged demolition. We lift the beam into position, seat it onto the padstones, pack and pin it tight, then submit the work to Croydon Council building control for inspection and sign-off. Nothing is closed up until the beam is signed off.
Party walls in Croydon semi-detached houses
In a Croydon semi the dividing wall with next door, along with the chimney stack, usually sits within a shared party wall. Where a beam bears into that wall, or where we cut into it, the Party Wall etc. Act 1996 applies and your neighbour must be served formal notice. We flag this early so notices go out in good time and the schedule is not held up by a missed step.
This matters most on the older interwar terraces and semis around Thornton Heath in CR7 and the streets near South Norwood in SE25, where houses share masonry. We coordinate the engineer's design, the notice period and the building control booking together, so the propping, the steel and the inspection all line up and the disruption to your home stays as short as possible.
What happens to the floor above the beam
The joists over the wall you are removing currently rest on it, and once it has gone they have to rest on something else. In most Croydon semis they either bear on top of the new steel or are cut back and hung from it on joist hangers, and which of those applies is the engineer's call. It affects the room upstairs, because hanging joists means lifting boards up there and working in a bedroom, not only downstairs.
Expect some disruption above as well as below. A floor that has settled around a wall for ninety years will move very slightly when its support changes, so hairline cracking in the upstairs plaster is normal and is made good as part of the work. We leave the propping in place until the load has transferred properly, which is the single biggest factor in how little movement you actually end up seeing.
- Steel columns, base plates and bolted connections
- Structural engineer's calculations arranged and followed
- Structural openings for open-plan living
- Goalpost frames where two walls meet at a corner
- Party Wall Act 1996 notices and awards handled
Why Choose GS Renovation in Croydon
Croydon homeowners choose GS Renovation because we treat steel work as structural engineering, not guesswork. One team manages the engineer's calculations, the propping, the padstones and the Croydon Council building control sign-off. With 30+ years across CR0, CR2 and CR7, we open up interwar homes cleanly and leave every load properly carried.
- Free, no-obligation quotations
- Materials priced at options, so you choose the finish
- Neighbours given notice before the noisy stages
- Registered in England, Companies House no. 14611254
- Temporary propping in place before anything is cut
- Making good and plastering priced in, not treated as an extra