Steel BeamInstallers
Basement conversion with steel beams and a steel column on a concrete floor

Basement & cellar steels · Scottish Borders

Basement & cellar steels in the Scottish Borders

Survey, engineer's design and installation of basement & cellar steels anywhere in the Scottish Borders.

  • Itemised written quote
  • Beam sized by a structural engineer
  • Covering the Scottish Borders and nearby

Free survey in the Scottish Borders

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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 basement & cellar steels involve in the Scottish Borders

Basement and cellar steels are the beams and columns that hold up the house above when walls are removed, openings are formed or new space is dug out below ground level. They carry the ground floor and walls down to new foundations, and are installed in a sequence set out by a structural engineer, alongside underpinning, excavation and waterproofing.

Across the Scottish Borders, basement & cellar steels usually come up when people want more light, a better layout or a way through to a new extension. Coverage takes in Eyemouth, Hawick and Galashiels and everywhere in between. Whatever the reason, the beam is sized from calculations and the work is inspected before anything is covered.

Worth knowing before you start

  • Temporary works for basements are more involved than for a single opening. The design covers propping the house above, supporting the sides of the excavation, and keeping loads off freshly cast concrete until it has gained strength.
  • Headroom is precious below ground, and a deep downstand beam can make a room feel cramped. The engineer may use a shallower but heavier section or set the steel into the ground floor zone, and that choice is made at design stage.
  • Below-ground rooms need a waterproofing design, often a cavity drain membrane, a tanking system or both. Column bases and beam bearings that pass through the waterproofing are detailed so they do not become a route for water.
  • Getting steel into a basement means lowering it through a lightwell, a stair opening or a temporary hole in the ground floor. Long beams may be designed in bolted sections so they can be handled in tight below-ground spaces.
  • Basements can stay damp even with waterproofing in place, so steel used below ground is protected against corrosion as the engineer specifies. That might mean an upgraded paint system or galvanising, particularly where steel sits close to external walls.

From survey to sign-off in the Scottish Borders

  1. Look and measure

    We check the wall, the span you want and what the wall is carrying, and photograph anything the engineer needs to see.

  2. Design and price

    Calculations come back from the engineer and we confirm your fixed written price, line by line.

  3. Building warrant

    A building warrant is applied for from Scottish Borders Council, and work starts only once the warrant has been granted.

  4. Fit, inspect, finish

    The work is propped and the steel installed and packed tight. After inspection the opening is boxed, plastered and left clean.

How much should I budget in the Scottish Borders?

As a guide, budget £2,300–£5,900 including VAT for basement or cellar steelwork in the Scottish Borders, based on published UK cost guides adjusted for prices in Scotland (-9%).

JobTypical guide rangeWhat it usually covers
Basement or cellar steelwork£2,300–£5,900Beams and columns with pad foundations under the floor above (excavation and waterproofing extra)
Temporary works and propping£140–£460Props, spreaders, needles and sole plates for a typical opening, installed and struck
Building warrant fee£215–£435Statutory fee set by the estimated value of the work: £215 up to £5,000, rising on a sliding scale (fees from 1 April 2026)
Steel column or post£460–£1,360 per columnColumn supplied and fitted with base and cap plates on a pad foundation

Figures include our approximate regional adjustment for prices in Scotland (-9%) and are rounded. How these figures are worked out.

Building rules for the Scottish Borders

In Scotland, structural alterations need a building warrant under the Building (Scotland) Act 2003, and work must not start until the warrant is granted. For the Scottish Borders, warrants are handled by Scottish Borders Council's building standards service. When the work is finished, a completion certificate is submitted and has to be accepted by the council.

There is no party wall notice system in Scotland. Instead, check your title deeds and, for flats, the tenement management scheme, and talk to neighbours early if the beam bears into a shared wall.

Building rules in Scotland

Basement & cellar steels by town

Basement & cellar steels in the Scottish Borders: your questions

Which towns in the Scottish Borders do you cover?

We cover towns including Hawick, Galashiels, Peebles and Kelso, plus the villages and smaller towns around them.

How much do basement & cellar steels cost in the Scottish Borders?

As a guide, budget £2,300–£5,900 including VAT for basement or cellar steelwork in the Scottish Borders, based on published UK cost guides adjusted for prices in Scotland (-9%). 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 basement steels are installed?

Many people do, particularly for cellar conversions where the dig is limited. Expect noise, dust and deliveries during the heavier stages, and some rooms above may be out of use while props are in place. For large excavations, moving out for part of the programme can be more comfortable.

Will columns be needed in my basement?

Quite often. Below ground there may be no suitable wall to support the end of a beam, so a column carries the load down to a foundation. The position can usually be agreed with you at design stage so the column sits within a wall line, a kitchen island or a storage area.

Do you do the underpinning for a basement?

Underpinning is specialist work, and we coordinate the steelwork with the underpinning contractor rather than carrying it out ourselves. The engineer designs the steel and the underpinning sequence together, so beams, columns and new foundations fit the order in which the walls are deepened.

How is steel protected from damp in a basement?

Steel below ground is protected against corrosion as the engineer specifies, which may mean a heavier-duty paint system or galvanising. It is also kept on the dry side of the waterproofing where possible, and fixings through the waterproofing are detailed so they do not let water in.

What happens at the survey visit in the Scottish Borders?

We look at the wall, the floor and ceiling either side and what sits above, measure the opening you want, and note cables, pipes and access for the steel. It usually takes under an hour and there is no charge.

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.