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

Loft conversion steels · Peckham

Loft conversion steels in Peckham

Loft conversion steels in Peckham, from free survey to completion certificate.

  • Itemised written quote
  • Beam sized by a structural engineer
  • Covering Peckham and nearby

Free survey in Peckham

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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

Planning loft conversion steels in Peckham

Peckham has a mix of housing, and loft conversion steels need a slightly different approach in each. The wider London area is covered as well. Whatever the age of the property, the steel goes in on proper bearings with temporary support in place throughout.

The joists in most lofts were only ever meant to hold up a plaster ceiling, and the roof is often propped on struts and purlins that get in the way of a room. Steel beams solve both problems: they carry a new floor across the house and take over the roof support so the struts can come out.

What to expect

  • Steels supporting a loft floor commonly need 30-minute fire resistance in a typical house. That is usually achieved with fire-rated plasterboard below and around the steel, to the specification agreed with building control.
  • Headroom in the finished loft depends partly on where the floor steels sit. Setting them low, between the existing ceiling joists, keeps more height upstairs, and the engineer and loft designer agree the levels together.
  • 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.
  • A rear dormer removes part of the roof slope, so the rafters above lose their support at the lower end. A ridge beam or a beam along the dormer's front edge carries them instead, designed for the dormer width and the weight of the roof.

How the job runs in Peckham

  1. Free visit

    A short visit to Peckham to see the job, agree what you want and check the bearings, floors and services that affect the design.

  2. Calculations

    The engineer's calculations and a simple drawing are prepared for your opening and shared with you before anything is ordered.

  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. Steel in, made good

    On site we prop, open up, fit and pack the steel, then fire protect, box in and plaster once the inspection is done.

Guide prices for loft conversion steels in Peckham

As a guide, budget £3,200–£7,700 including VAT for loft conversion steels in Peckham, 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
Steel column or post£640–£1,920 per columnColumn supplied and fitted with base and cap plates on a pad foundation
Structural calculations for a beam£320–£960Site measure or photos, beam and padstone design and calculations for building control
Fire protection to a steel beam£190–£770 per beamFire-rated board boxing or an intumescent coating system as specified

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

Building control and neighbours in Peckham

For Peckham, building control is provided by the local council's building control team, or by a registered building control approver if preferred. We send them the engineer's calculations with a building notice or full plans application and book the inspections. Work done without approval can cause problems at sale and is far dearer to put right later.

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 Peckham

Loft conversion steels in Peckham: your questions

Can you work on older or listed homes in Peckham?

Yes. Older homes often have lime mortar, timber lintels or shallow footings, which the engineer allows for. Listed buildings need listed building consent for internal structural changes as well as building regulations approval, and that must be in place first.

How much do loft conversion steels cost in Peckham?

As a guide, budget £3,200–£7,700 including VAT for loft conversion steels in Peckham, 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.

What is a ridge beam in a loft conversion?

A ridge beam is a steel beam running along the top of the roof to support the rafters when their usual support is removed, such as when a large dormer is built or a hipped roof is converted to a gable. The engineer decides whether one is needed and specifies it.

Do all loft conversions need steel beams?

Most do, but not all. Steels are usually needed to carry the new floor, replace purlins and struts, or support the roof around a dormer. Some smaller conversions use deeper timber joists or engineered timber instead. A structural engineer decides what the roof and walls need after a survey.

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 you also work near Peckham?

Yes. We also cover nearby towns including Brixton, Greenwich, Catford and Pimlico.

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.