Steel BeamInstallers
Loft conversion with steel beams on padstones and new floor joists

Loft conversion steels · Catford

Loft conversion steels in Catford

Steelwork, approvals and making good for loft conversion steels in Catford and nearby.

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

Free survey in Catford

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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

About our loft conversion steels service in Catford

If you live in Catford, loft conversion steels can usually be planned and priced after a single survey visit. We also cover the surrounding towns and villages in London. We cover SE4, SE6, SE12, SE13 and SE14, and we fix the price in writing once the layout and scope are agreed.

We fit the steel package for loft conversions, either as part of the full project or alongside your loft builder. That means the engineer's design, building control, getting long steels into a roof space safely, bedding them on padstones and packing them before the new floor and dormer go on.

Key points for your project

  • Many later twentieth-century homes have trussed rafter roofs, with diagonal timbers running through the whole loft. Converting these involves more steel and new timber, because each truss is cut and its load has to be re-routed by design.
  • Traditional cut roofs rely on purlins and struts running down to internal walls. A steel beam can take over that job so the struts come out, freeing up floor and headroom, but the change has to be designed and propped carefully.
  • Loft steels usually bear on the gable wall in a semi-detached house or on the party wall in a terrace. The engineer checks that the wall below can take the point load and specifies padstones to spread it, sometimes with a steel post down to lower floors.
  • Water tanks, cables, aerial leads and bathroom extract ducts often sit exactly where the steel needs to go. They are moved before the beams arrive, and old cold water tanks are frequently removed as part of the wider loft project.
  • Ceiling joists in most houses are too shallow to carry people, furniture and a bathroom. Rather than loading them, steel beams span between the walls and new, deeper floor joists hang from them, sitting just above the old ceiling.

How the job runs in Catford

  1. Survey in Catford

    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 loft conversion steels cost in Catford?

As a guide, budget £3,200–£7,700 including VAT for loft conversion steels in Catford, based on published UK cost guides adjusted for London prices (+28%).

JobTypical guide rangeWhat it usually covers
Loft conversion steels£3,200–£7,700Supply and fit of floor and ridge steels on padstones, including lifting into the roof space
Fire protection to a steel beam£190–£770 per beamFire-rated board boxing or an intumescent coating system as specified
Temporary works and propping£190–£640Props, spreaders, needles and sole plates for a typical opening, installed and struck
Structural calculations for a beam£320–£960Site measure or photos, beam and padstone design and calculations for building control

Figures include our approximate regional adjustment for London prices (+28%) and are rounded. How these figures are worked out.

Approvals in Catford

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.

Terraced and semi-detached homes often need party wall notices, because cutting into a shared wall to take a beam end is notifiable under the Party Wall etc. Act 1996. Allow at least two months for the notice period unless your neighbour agrees sooner.

Building rules in England

Loft conversion steels near Catford

Questions about loft conversion steels in Catford

How much do loft conversion steels cost in Catford?

As a guide, budget £3,200–£7,700 including VAT for loft conversion steels in Catford, based on published UK cost guides adjusted for London prices (+28%). 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.

Do you cover Catford for loft conversion steels?

Yes. We carry out loft conversion steels in Catford and the SE4, SE6, SE12, SE13 and SE14 postcode districts. Book a free survey visit and we will check the wall, arrange the engineer's calculations and send an itemised written quote.

Can my loft be converted if it has trussed rafters?

Often it can, but it is a bigger structural job. Trussed rafters have diagonal webs right through the loft, and every truss that is cut needs its load picked up by new steel and timber. The engineer designs that, and the roof is propped carefully throughout.

Do I need building regulations for loft conversion steels?

Yes. Loft conversions are building work, and the steels form part of the structural design checked by building control in England, Wales and Northern Ireland. In Scotland a building warrant must be granted before work begins. The inspector checks the steel bearings before they are covered up.

How long does it take to install loft steels?

The main steels for a typical loft conversion usually go in over two to five working days. That covers cutting pockets, bedding padstones, getting the steel in and packing it. The timing depends heavily on access and how many beams the design calls for.

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.