Doncaster · South Yorkshire
Floor joist repairs in Doncaster
If a plumber or electrician has recently had the boards up at your Doncaster home, the joists they worked around are worth a look. Deep notches and holes in the wrong place weaken joists quickly, and sistering them is usually a short, tidy job.
Guide price from£240per joist inc VAT
- Postcodes
- DN1, DN2, DN4
- Population
- about 110,000
- Area
- South Yorkshire
- Pricing region
- Yorkshire and the Humber
Is South Yorkshire prone to ground movement?
With roughly 110,000 people, Doncaster spans postcode districts DN1, DN2, DN4 in South Yorkshire. Neighbouring towns we cover: Adwick-le-Street (4 miles), Conisbrough (5 miles) and Mexborough (7 miles).
Parts of South Yorkshire have clay that can shrink near trees in dry spells. Historic coal workings are recorded beneath parts of South Yorkshire, and a coal mining search is worth checking where movement is unexplained. Across South Yorkshire, most homes are brick and stone terraces, colliery housing, inter-war council estates and post-war semis.
Is it time for floor joist repairs? Common signs
- A musty smell, or fungal strands showing between the boards
- Floor bouncing, or ornaments rattling, when someone walks across
- Soft or spongy boards near outside walls, hearths or the bathroom
What should you budget for floor joist repairs in Doncaster?
For Doncaster we use Yorkshire and the Humber rates. Treat the table as a budget guide, inc VAT; the price you pay is the one on your written quote.
| 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
Splicing ends and fitting hangers
Where only the end has rotted, it is cut back to sound timber and a new piece is fixed alongside, bearing on the wall or on a new joist hanger. Missing or under-nailed hangers elsewhere are replaced at the same time. The damp in the wall must be fixed too.
Best for: Rotten joist ends in damp solid walls
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
Photos and a call
Send photos of the dip or soft area, the outside wall at ground level and any air bricks. A short call about when it started, and any recent plumbing or heating work, tells us whether the problem is local or widespread.
Repair the structure
Boards are lifted and numbered if they are going back, and rotten timber is cut out. New treated timber is fixed and checked with a level before strutting, hangers and any restraint straps go in.
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 England
Like-for-like repairs such as crack stitching and repointing do not usually need building control approval in England, but anything that changes or strengthens the structure, such as underpinning or rebuilding a wall, does. If the work touches a party wall, the Party Wall etc. Act 1996 may apply.
Your floor joist repairs questions
What is the price of floor joist repairs in Doncaster?
Guide prices for floor joist repairs in Doncaster start from about £240 per joist, including VAT, on Yorkshire and the Humber rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Do you carry out floor joist repairs in Doncaster?
We do. Doncaster and the surrounding area are covered, including nearby Adwick-le-Street and Conisbrough. A free initial assessment from your photos is the first step.
Does the ground around Doncaster cause cracking?
South Yorkshire lies largely on the Coal Measures, with a long history of shallow and deep mining around Barnsley, Rotherham and Doncaster. Sheffield's hillside sites add retaining walls and steep ground to the mix. 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.
More repairs we carry out in Doncaster
- Subsidence repairs
- Concrete repairs
- Bay window subsidence repairs
- Subsidence insurance claim repairs
- Roof structure repairs
Floor joist repairs near Doncaster
Each joist, sleeper wall and air brick at your Doncaster property is itemised in the written quote, then fixed in price once the repair is specified.