St Neots · Cambridgeshire
Floor joist repairs in St Neots
Whether it is one soft patch by the bathroom or a whole room dropping towards the wall, floor joist repairs in St Neots are priced only after the timber has been seen. Rot, notches and failed supports each need a different fix, and the quote says which.
Guide price from£260per joist inc VAT
- Postcodes
- PE19
- Population
- about 31,000
- Area
- Cambridgeshire
- Pricing region
- East of England
What is the ground like in Cambridgeshire?
Postcode districts PE19 cover St Neots, a Cambridgeshire town of about 31,000 people. Nearby, we also cover Huntingdon (9 miles), Biggleswade (9 miles) and Bedford (10 miles).
Much of Cambridgeshire sits on clay that shrinks in dry summers and swells in wet winters. Ground movement here is more often linked to soils, drains and trees than to mining. What you mostly find across Cambridgeshire: Victorian terraces in Cambridge and Peterborough, fen-edge cottages, and extensive post-war and new-build estates.
From first photo to finished repair
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.
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.
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.
Symptoms that point to floor joist repairs
- Floor dipping towards an outside wall or in the middle of the room
- A gap opening up between the skirting board and the floor
- Floor bouncing, or ornaments rattling, when someone walks across
Guide prices for floor joist repairs in St Neots
The ranges below reflect typical East of England costs for floor joist repairs, including VAT. Scaffold, access and making good can push a job to the top of the range.
| Item | Guide price | Per |
|---|---|---|
| Splicing or sistering a damaged joist | £260 – £420 | per joist |
| Whole room of joists and boards | £2,100 – £6,300 | per room |
| Sleeper wall rebuild and ventilationest. | £420 – £1,600 | per room |
Methods for floor joist repairs
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
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.
Frequently asked questions
How much should I budget for floor joist repairs in St Neots?
Guide prices for floor joist repairs in St Neots start from about £260 per joist, including VAT, on East of England rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Can you survey a property in St Neots?
Yes, St Neots is covered, along with postcode districts PE19. We also cover nearby Huntingdon and Biggleswade.
Why do houses in Cambridgeshire crack?
Gault Clay underlies much of the Cambridge area and Oxford Clay the west of the county around Peterborough and Huntingdon, while the northern fens are peat and silt that can shrink as they dry. Both clay and peat ground can move with the seasons. 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.
Why is my floor bouncy?
A bouncy floor usually means the joists are deflecting too much, often because they span too far, have lost their strutting or have been weakened by notches. It rarely means imminent failure, but it is worth checking, especially if the bounce appeared after work in the room.
Related work in St Neots
- Subsidence repairs
- Bowing wall repairs
- Brick arch repairs
- Bay window subsidence repairs
- Wall tie replacement
Floor joist repairs near St Neots
For a guide price on floor joist repairs in St Neots, use the quote tool or send photos of the dip, any soft boards and the air bricks.