Structural alterations and steel beams in Teesside
Taking out a load-bearing wall and installing a steel beam costs £2,000 to £10,000 in Teesside, covering the structural engineer's calculations, the beam and padstones, temporary support, building control and making good. Span, access and what sits above the wall decide where in that range you land.
Knocking through, done to calculation
The single most requested structural job on Teesside is joining the front and back rooms of a terrace or opening a semi's kitchen into the dining room. It looks like a day with a breaker and it is not. The wall being removed is carrying floor joists, sometimes a chimney breast, occasionally a first-floor wall above it, and the load has to be transferred into a beam and then down through padstones onto something capable of taking it. A modest 3 metre opening in a Stockton terrace can be £2,000 to £3,500 all in. A wide opening under a stacked wall, with a heavier beam craned or manoeuvred in through a narrow alley, moves towards £10,000.
What the price covers
- Structural engineer's calculations: loads assessed, beam section specified, padstone and bearing details drawn. Typically £300 to £700, and never optional.
- Temporary works: acrow props and strongboys, or needle beams through the wall for larger openings, set out before anything is cut.
- The steel: the RSJ or universal beam itself, plus concrete padstones, packing and, where the beam is exposed in a habitable room, fire protection by boarding or intumescent treatment.
- Getting it in: access is a real cost. A 6 metre beam that cannot come through the house may need the rear wall opening up or a lift over the garden.
- Making good: plastered reveals, a levelled floor across the old wall line, skirtings matched and, in older houses, a chimney breast supported by gallows brackets or removed to the stack.
- Building control: the application, the inspection at beam and bearing stage, and the completion certificate.
Terraces, party walls and chimney breasts
In Teesside's terraced streets the wall you are working near is usually shared, so the Party Wall etc. Act 1996 applies: written notice to the adjoining owner, and a surveyor's award if they dissent. Cutting a beam bearing into a party wall is exactly the situation the Act was written for, and doing it without notice is the kind of shortcut that surfaces during a sale. Removing a ground-floor chimney breast while the stack above stays put is the other classic: it needs designed support, not a couple of angle irons, and building control will want to see the detail.
Signs of a proper job
The quote names the engineer or includes their fee, states the beam size or says it will be confirmed by calculation, describes the temporary support method, and includes making good. If a price for a knock-through arrives with none of that, it is a number rather than a quote. This work usually forms part of an extension or a renovation, and the planning and regs guide explains the building control route.