Steel BeamInstallers
Adjustable steel props and needles supporting a brick wall before an opening is formed

Temporary works & propping · Cambridge

Temporary works & propping in Cambridge

Temporary works & propping for homes in CB2, CB4, designed by a structural engineer.

  • Price fixed in writing once scope is agreed
  • Building control arranged
  • Temporary works and making good included

Free survey in Cambridge

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  • Free survey visit
  • Engineer's calculations arranged
  • Building control handled
  • Fixed written price once scope is agreed
  • England, Wales, mainland Scotland & NI

What temporary works & propping involve in Cambridge

Planning temporary works & propping in Cambridge? Our team covers CB2 and CB4 and the streets around them. The wider Cambridgeshire area is covered as well. You get one written quote for the calculations, approvals, propping, steel and making good.

Propping is included in every structural job we quote, and we can also provide it as a separate service where a wall, lintel or chimney needs supporting while other work goes on. The layout of props, needles and spreaders follows the engineer's calculations or a temporary works design for the job.

What to expect

  • Props and needles cannot go where pipes, cables or flues run. Their positions are checked against services before any holes are cut, and anything in the way is isolated or rerouted first by the appropriate trade.
  • Needle holes leave neat square gaps in the wall above the new beam. Once the props are out, these are filled with brick or block and mortar, then plastered over with the rest of the making good.
  • Props take up floor space for the length of the job, usually in the rooms on both sides of the wall. Furniture needs moving back, and nobody else in the house should knock, adjust or hang anything from the props.
  • For simple openings, the engineer's calculations usually show the propping arrangement. Larger or unusual jobs, such as removing several walls or working beneath chimney stacks, may need a separate temporary works design prepared by an engineer.
  • The order of work matters. Props go in and are tightened before any masonry is cut, the opening is formed in stages, and the props stay until the permanent steel is packed tight and the bedding mortar has gained enough strength.

What happens, step by step

  1. Survey in Cambridge

    We visit, look at the wall and what sits above it, measure the opening and note services, access and how the steel can be brought in.

  2. Engineer's design

    A structural engineer sizes the beam, padstones and any posts, and sets out the temporary support needed while the wall is out.

  3. Building control

    We submit a building notice or full plans application to the local council's building control team, so approval is in place before the wall is touched.

  4. Install and sign-off

    Props go in, the opening is formed, the steel is set and packed, building control inspects it, and we make good.

What do temporary works & propping cost in Cambridge?

As a guide, budget £160–£530 including VAT for temporary works and propping in Cambridge, based on published UK cost guides adjusted for prices in the East of England (+6%).

JobTypical guide rangeWhat it usually covers
Temporary works and propping£160–£530Props, spreaders, needles and sole plates for a typical opening, installed and struck
Structural calculations for a beam£260–£800Site measure or photos, beam and padstone design and calculations for building control
Chimney breast removal (ground floor)£1,600–£3,200Ground-floor breast removed, steel to support the breast above, building control and making good
RSJ supply and fit (single beam)£850–£2,650 per beamBeam supplied, delivered, lifted and packed on padstones, with propping (calculations and approval priced separately)

Figures include our approximate regional adjustment for prices in the East of England (+6%) and are rounded. How these figures are worked out.

Building control and neighbours in Cambridge

Structural openings in English homes need building regulations approval before work starts. The local council's building control team can deal with it, or you can use a registered building control approver. Either way the steel is inspected before it is covered, and a completion certificate is issued at the end. Keep it safe for when you sell.

If the beam bears into a wall you share with a neighbour, the Party Wall etc. Act 1996 applies, and a party structure notice must be served at least two months before that work starts. We arrange this through a party wall surveyor.

Building rules in England

Temporary works & propping near Cambridge

Local questions answered

How much do temporary works & propping cost in Cambridge?

As a guide, budget £160–£530 including VAT for temporary works and propping in Cambridge, based on published UK cost guides adjusted for prices in the East of England (+6%). The exact figure depends on the span, what the wall carries, access and the finish, and is fixed in writing once the scope is agreed.

Can I stay at home while the work is done in Cambridge?

Usually, yes. The work area is screened and floors are protected. The rooms either side of the opening are out of action for a few days, and there is some noise and dust while the masonry comes out.

Why do you need props to remove a wall?

Because the wall is holding up weight that still has to be supported while it is gone. Props and needles carry the floors, walls or roof above down to the ground until the new steel beam is fitted, packed and taking the load. Without them, the structure above could drop, crack or, at worst, collapse.

Can I hire props and support a wall myself?

Props can be hired, but propping a structure is skilled work with serious consequences if it goes wrong. The arrangement should come from an engineer's design, and the loads, floor strength and sequence all need checking. Structural propping should be left to a competent team working to that design.

Does temporary propping need building control approval?

Not on its own, but the structural work it supports usually does. Removing a load-bearing wall or inserting a beam needs building regulations approval in England, Wales and Northern Ireland, and a building warrant in Scotland. The propping arrangement normally forms part of the engineer's calculations sent with that application.

Planning to take a wall out?

Book a free survey visit. You get an itemised written quote covering calculations, building control, steel and making good.