Irvine · Ayrshire
Floor joist repairs in Irvine
A sagging or springy floor in a Irvine home usually has a simple explanation once a few boards are lifted. Rotten joist ends, careless notching and blocked air bricks account for most dipping floors in older houses, and each one has a clear, well-understood repair.
Guide price from£240per joist inc VAT

- Postcodes
- KA11, KA12
- Population
- about 34,000
- Area
- Ayrshire
- Pricing region
- Scotland
Is Ayrshire prone to ground movement?
We cover Irvine and its postcode districts KA11, KA12, part of Ayrshire, with a population of roughly 34,000. Neighbouring towns we cover: Kilwinning (3 miles), Saltcoats (5 miles) and Troon (5 miles).
Most of Ayrshire is on firmer ground than the clay belts of the south-east. Historic coal workings are recorded beneath parts of Ayrshire, and a coal mining search is worth checking where movement is unexplained. Housing stock in Ayrshire: Sandstone villas and terraces in the coastal towns, miners' rows and post-war estates.
Is it time for floor joist repairs? Common signs
- Soft or spongy boards near outside walls, hearths or the bathroom
- Floor bouncing, or ornaments rattling, when someone walks across
- A musty smell, or fungal strands showing between the boards
What should you budget for floor joist repairs in Irvine?
Prices in Irvine are worked out on Scotland rates. They include VAT and are a starting point: access, the extent of the damage and whether an engineer or building control is involved all move the figure.
| Item | Guide price | Per |
|---|---|---|
| Splicing or sistering a damaged joist | £240 – £380 | per joist |
| Whole room of joists and boards | £1,900 – £5,700 | per room |
| Sleeper wall rebuild and ventilationest. | £380 – £1,400 | per room |
Repair options we may recommend
Sistering a joist
A new length of treated timber, the same depth as the original, is bolted or screwed alongside the damaged joist so the two share the load. It is the quickest fix for a notched, cracked or sagging joist that is otherwise sound, usually after lifting a few boards.
Best for: Cut, cracked or sagging joists with sound ends
Replacing joists and boards
When rot or woodworm runs through most of a floor, it is usually cheaper to replace the joists, strutting and boards together. Where joists run parallel to an outside wall, restraint straps tie the new floor back to it so the wall keeps its lateral support.
Best for: Widespread rot, or a whole floor that has dropped
What to expect when we carry out floor joist repairs
Lift boards and inspect
On site we lift a few boards where the floor is worst and check the joist ends, sleeper walls and void with a moisture meter. Outside, we look for high ground, blocked vents and leaks keeping the timber wet.
Written quote
You get a no-obligation written quote listing which joists are sistered, spliced or replaced and any sleeper wall or ventilation work. It becomes a fixed price in writing once the repair is specified.
Relay and ventilate
Boards are relaid or replaced, skirting refitted and air bricks cleared or added outside. We point out anything that would let damp back in, such as soil heaped against the wall, so the repair lasts.
Rules for floor joist repairs in Scotland
In Scotland, small repairs often do not need a building warrant, but structural alterations and strengthening generally do. Check with the council’s building standards service if unsure; there is no Party Wall Act in Scotland.
Your floor joist repairs questions
How much will floor joist repairs cost in Irvine?
Guide prices for floor joist repairs in Irvine start from about £240 per joist, including VAT, on Scotland rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Do you cover Irvine?
We do. Irvine and the surrounding area are covered, including nearby Kilwinning and Saltcoats. A free initial assessment from your photos is the first step.
Is the ground in Ayrshire prone to subsidence?
Ayrshire has a large coalfield, especially in the east around Kilmarnock and Cumnock, with recorded workings, and raised-beach sands and gravels along the coast. Only an investigation can say why a particular building has moved.
Is a sagging floor dangerous?
A gentle, long-standing sag is usually not dangerous, and many older floors have moved slightly over a century. A sag that is getting worse, soft boards or a floor dropping near a wall needs checking soon, because rotten joist ends can lose their bearing.
Will my insurance pay for rotten floor joists?
Usually not, because rot, woodworm and gradual wear are standard exclusions. Damage from a sudden escape of water, or a floor that dropped through subsidence, may be treated differently. Check your policy, and tell your insurer before permanent repairs start if either applies.
Other structural repairs in Irvine
- Roof structure repairs
- Boundary and garden wall repairs
- Gable end wall repairs
- Concrete repairs
- Retaining wall repairs
Floor joist repairs near Irvine
For a guide price on floor joist repairs in Irvine, use the quote tool or send photos of the dip, any soft boards and the air bricks.