Through-lounge knock-throughs · Scottish Borders
Through-lounge knock-throughs in the Scottish Borders
Survey, engineer's design and installation of through-lounge knock-throughs anywhere in the Scottish Borders.
- Survey, design and installation in one
- Covering EH38, EH43, EH44, EH45
- Inspected before it is covered
- Free survey visit
- Engineer's calculations arranged
- Building control handled
- Fixed written price once scope is agreed
- England, Wales, mainland Scotland & NI
Planning through-lounge knock-throughs in the Scottish Borders
Across the Scottish Borders, through-lounge knock-throughs usually come up when people want more light, a better layout or a way through to a new extension. Towns we cover include Hawick, Galashiels and Kelso, among other places in the area. Whatever the reason, the beam is sized from calculations and the work is inspected before anything is covered.
What to expect
- The steel commonly needs fire protection to meet building regulations, usually by boxing it in fire-rated plasterboard and skimming it. In period rooms the box can be finished with a matching cornice so it reads as part of the original ceiling.
- In most terraced houses the wall between the front and back rooms runs across the house and carries the floor above, plus the wall between the front and back bedrooms. It is normally load-bearing, but the engineer still checks before any design is drawn up.
- Victorian brickwork is usually laid in soft lime mortar and the internal walls may be only one brick thick. The engineer allows for this when designing the bearings, and padstones are often used to spread the beam's load over the weaker masonry.
- Many owners leave short nibs of wall at each end of the opening rather than going fully wall to wall. Nibs can give the beam a bearing, line up with the chimney breasts and keep the feel of two linked rooms, but the engineer decides whether they are adequate.
- With the wall gone, the floorboards on each side may run in different directions or sit at slightly different heights. Matching reclaimed boards can be fitted across the old wall line, or the floor can be levelled for a new continuous finish.
How the job runs in the Scottish Borders
Free visit
A short visit to the Scottish Borders to see the job, agree what you want and check the bearings, floors and services that affect the design.
Calculations
The engineer's calculations and a simple drawing are prepared for your opening and shared with you before anything is ordered.
Building warrant
A building warrant is applied for from Scottish Borders Council, and work starts only once the warrant has been granted.
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 through-lounge knock-throughs in the Scottish Borders
As a guide, budget £2,300–£5,000 including VAT for through-lounge knock-through in the Scottish Borders, based on published UK cost guides adjusted for prices in Scotland (-9%).
| Job | Typical guide range | What it usually covers |
|---|---|---|
| Through-lounge knock-through | £2,300–£5,000 | Wall between front and back reception rooms, steel beam, approvals, plastering and floor infill |
| Kitchen-diner knock-through | £2,300–£5,450 | Internal structural wall between kitchen and dining room, steel beam, approvals and making good (kitchen fitting extra) |
| Load-bearing wall removal with steel beam | £1,800–£4,550 | Typical internal wall up to about 4 m: calculations, building standards, propping, steel, padstones, fitting, fire protection and making good |
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
Scottish rules are stricter on timing than in England: the building warrant must be in place before the wall is touched. We prepare the application with the engineer's calculations and submit it to Scottish Borders Council. The finished work is then certified and a completion certificate submitted for acceptance.
Scotland has no Party Wall Act. Work affecting a shared wall is governed by your title deeds and the general law, and in flats by the Tenements (Scotland) Act 2004, so it is sensible to agree the work with neighbours in writing before starting.
Questions about through-lounge knock-throughs in the Scottish Borders
How much do through-lounge knock-throughs cost in the Scottish Borders?
As a guide, budget £2,300–£5,000 including VAT for through-lounge knock-through 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.
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.
Is the wall between two reception rooms load-bearing?
In most period terraces and semis it is, because it carries the floor joists and the wall between the bedrooms above. Some later houses have lighter partitions in this position, so the only way to be sure is an engineer's inspection. We arrange this during the survey and design stage.
Will the ceiling crack when the wall is removed?
Some minor cracking in old lath and plaster ceilings is possible, even with careful propping, because the structure is being disturbed. We prop to spread the load and protect ceilings where we can, and any cracks are filled or repaired as part of making good. Sound plaster normally stays intact.
What happens to the floor where the wall was?
A strip of exposed joists, or a footing in a solid floor, is left where the wall stood. Timber floors are patched with matching or reclaimed boards, and solid floors are filled and levelled. If you are fitting a new floor across both rooms, it is simply prepared level for the new finish.
How wide can a through-lounge opening be?
That depends on what the wall carries and how the beam ends can be supported, and the structural engineer sets it. Many owners go nearly full width, keeping short nibs at each end, while others choose a narrower opening to keep two distinct rooms. Wider spans need heavier steel and sometimes columns.
Who approves through-lounge knock-throughs in the Scottish Borders?
Structural work in the Scottish Borders needs a building warrant from Scottish Borders Council, granted before work starts. We prepare and submit it with the structural engineer's calculations and arrange the inspections, so the completion paperwork follows the job.