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RSJ and Steel Beam Installation Old Street

Steel beam installation, RSJ and structural alterations in Old Street. Trusted, professional, 30+ years' hands-on experience.

GS Renovation installs steel beams and RSJs across Old Street and the wider EC1 postcode, where warehouse conversions and new-build apartments dominate the streets around Clerkenwell and the Angel. With over 30 years opening up load-bearing structures in North London, we prop and fit steelwork to the engineer's sizing safely, coordinating the leasehold approvals these Islington buildings demand.

Steel beams laid out and installed across a rear elevation on a GS Renovation structural job
Two beams on the ground and one already seated. Cavity blockwork and the damp proof course are visible below.

Steel beams in Old Street conversions

Removing a load-bearing wall in an Old Street warehouse conversion is rarely a simple knock-through. The exposed brick spine walls and cast-iron columns that give these EC1 spaces their character often carry real load, so every beam is sized by a structural engineer before a single brick moves. We prop the structure temporarily, demolish in safe stages, and lower the RSJ onto padstones that spread the weight into sound masonry.

Because most of these buildings are leasehold, the steelwork cannot begin until the freeholder's licence to alter is in place and the managing agent has approved the method. We prepare drawings and calculations for that application, book building control inspections, and time the noisiest cutting to suit block rules. The result is a clean opening signed off under building regulations, with minimal disruption to neighbouring flats.

Load-bearing walls in EC1 apartments

New-build apartments around Old Street and the Angel are usually framed in concrete or steel, so what looks like a structural wall may be a non-loadbearing partition, or the reverse. We never assume. Our engineer inspects the slab, checks the original build drawings where the managing agent can supply them, and confirms exactly what each wall carries before proposing a beam, a goalpost frame or a simple partition removal.

Party wall matters still arise where a conversion shares a structural wall with the flat next door. You serve the correct notices under the Party Wall Act, agree a schedule of condition, and keep records that protect you if a dispute ever surfaces. Throughout, we work to the sound insulation standards these Islington blocks expect, isolating the new steel so footfall and impact noise do not carry between homes.

  • RSJ and structural steel beam installation
  • Beam boxing, fire protection and plasterboard encasement
  • Party Wall Act 1996 notices and awards handled
  • Steel delivered cut, drilled and primed to the engineer's schedule
  • Structural engineer's calculations arranged and followed
Service areaOld Street · EC1
Local authorityIslington Council
Part ofNorth London (Inner London)
Typical homesWarehouse conversions and contemporary apartments
Also covered nearbyAngel, Highbury, Holloway, Clerkenwell and Islington

Why Old Street Homeowners Choose GS Renovation

Old Street steelwork lives or dies on the paperwork as much as the propping. GS Renovation handles both: engineer's calculations, the freeholder's licence to alter, managing-agent sign-off and building control, all under one roof. Thirty years across EC1 and Islington means we know these conversions, prop them safely and leave you a certified opening, not a snagging list.

  • Waste cleared as we go, not left piled in the garden
  • Free, no-obligation quotations
  • Photographs kept at each stage for your records
  • High-density concrete padstones bedded at every bearing
  • Temporary propping in place before anything is cut
  • Building control inspected at the propping and beam stages
30+ YearsFounder's experience
Fully Insured5 year guarantee
4.9 / 531 MyBuilder reviews
Building ControlCompliant
Free QuotesNo obligation
Reviews

Rated 4.9 / 5 by our clients

★★★★★ 4.9 average from 31 verified reviews on MyBuilder

★★★★★
We loved working with George and Ibrahim and would highly recommend them. They have done splendid job on our new kitchen refurb which including new…
kath833Wood Green, London · via MyBuilder
★★★★★
I am very happy to recommend George after he completed the work on my 2 bathrooms. He worked very hard to make sure everything was completed and even…
hit10Enfield · via MyBuilder
★★★★★
Saaid is the best craftsman I have worked with. He knows what he is doing from the very beginning. He has a great knowledge of construction…
volkan50816Stoke Newington, London · via MyBuilder
Read all 31 reviews

FAQ

Frequently Asked Questions about RSJ and Steel Beam Installation Old Street

Which parts of an RSJ and steel beam installation project in Old Street cost the most?

It depends on the house, which is exactly why the survey comes first. In recent developments and converted commercial buildings turned over to flats the reinstatement often outweighs the structural element of RSJ and steel beam installation, whereas a newer EC1 property is the other way round. GS Renovation prices the two separately so an Old Street client can see the balance. Phasing the work is then possible if the budget needs it. Ring 07472 424 226 and GS Renovation will talk through phasing options for an EC1 home. 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.

How many trades are on site during RSJ and steel beam installation in Old Street?

Fewer at once than you might expect, by design. Stacking trades into an EC1 property makes an RSJ and steel beam installation job feel busy while achieving very little, so GS Renovation sequences them and keeps the Old Street site workable. You always know who is due and when. The programme issued with the Islington quotation names each stage and each week. The Old Street programme names who is coming to the EC1 property in each Islington week.

Why do Old Street homeowners use GS Renovation for RSJ and steel beam installation?

Repeat business and referrals, more than anything else. Most RSJ and steel beam installation enquiries reach us because somebody in Old Street or over in Angel has already had us in their house, and they tell their neighbours what the EC1 job was actually like. GS Renovation is rated 4.9 from 31 MyBuilder reviews. Those are public, so read them before choosing an Islington contractor. Ring 07472 424 226 for addresses of finished work. The Islington referrals speak for themselves.

Does an RSJ in Old Street need a party wall notice?

If the beam bears into a wall shared with a neighbouring property, yes, and that covers most terraces and semis in Old Street. Notice must be served before work begins, and the duty sits with you as building owner. We prepare the notices for your EC1 address.

Are there restrictions on RSJ and steel beam installation in modern and recently converted Old Street properties?

There can be, and we check before any design work begins. Conservation area status, an Article 4 direction or a listing removes permitted development rights at an EC1 address, so RSJ and steel beam installation may need a full application to Islington Council. GS Renovation establishes the position for your Old Street home first. Building regulations apply regardless of the planning route. Ring 07472 424 226 and we will confirm the designation before any RSJ and steel beam installation design work at EC1.

Do I need the freeholder's permission to remove a wall in my Old Street flat?

Almost certainly, yes. Most Old Street properties are leasehold warehouse conversions or new-build apartments, so structural change needs the freeholder's licence to alter and the managing agent's approval before work starts. We prepare the engineer's drawings and calculations for that application, then serve any Party Wall Act notices and arrange building control sign-off so the whole process stays compliant.

Do you carry out RSJ and steel beam installation in EC1 as well as the rest of Old Street?

Yes, EC1 included, along with every other postcode in Old Street. RSJ and steel beam installation is not priced differently by street, and GS Renovation is usually working somewhere in Islington already. Familiarity with the recent developments and converted commercial buildings turned over to flats around that postcode is what keeps a quotation accurate. Ring 07472 424 226 and we will confirm your address in a minute. The survey that follows is free and carries no obligation. Aftercare and snagging visits across Islington are just as routine.

Every Service, One Team

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