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Tadley · Hampshire

Floor joist repairs in Tadley

Floor joist repairs in Tadley start underneath the boards, not on top of them. We look at the joist ends, the sleeper walls and the ventilated void before suggesting sistering, splicing or replacement, so the price reflects the timber you actually have.

Guide price from£280per joist inc VAT

New timber joist bolted alongside a rotten joist under lifted floorboards
Postcodes
RG26
Population
about 16,000
Area
Hampshire
Pricing region
South East

What is the ground like in Hampshire?

Tadley, Hampshire: about 16,000 residents across postcode districts RG26. If you are just outside Tadley, we also cover Basingstoke (6 miles), Thatcham (7 miles) and Newbury (9 miles).

Much of Hampshire 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 Hampshire: Victorian terraces in Portsmouth and Southampton, 1930s semis, and large post-war and new-build estates.

Symptoms that point to floor joist repairs

  • A gap opening up between the skirting board and the floor
  • Floor dipping towards an outside wall or in the middle of the room
  • A musty smell, or fungal strands showing between the boards

Guide prices for floor joist repairs in Tadley

For Tadley we use South East rates. Treat the table as a budget guide, inc VAT; the price you pay is the one on your written quote.

Guide prices inc VAT on South East rates. Items marked est. are our estimates.
ItemGuide pricePer
Splicing or sistering a damaged joist£280 – £450per joist
Whole room of joists and boards£2,250 – £6,700per room
Sleeper wall rebuild and ventilationest.£450 – £1,700per room

Methods for floor joist repairs

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

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

From first photo to finished repair

  1. 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.

  2. 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.

  3. 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.

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

What is the price of floor joist repairs in Tadley?

Guide prices for floor joist repairs in Tadley start from about £280 per joist, including VAT, on South East 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 Tadley?

Yes, Tadley is covered, along with postcode districts RG26. We also cover nearby Basingstoke and Thatcham.

Does the ground around Tadley cause cracking?

Central Hampshire is chalk, while the south around Portsmouth, Southampton and the New Forest fringe and the north-east around Farnborough sit on London Clay, Reading Beds and other clays and sands. The clay areas see seasonal movement near trees. Only an investigation can say why a particular building has moved.

Can floor joists be repaired without taking up the whole floor?

Yes, in most cases only the boards over the affected joists need lifting, and three or four boards are often enough to sister a joist or splice a rotten end. Widespread rot is the exception, because the whole floor must come up to remove the decay.

Do I need building control for floor joist repairs?

Usually not for like-for-like repairs to a few joists, but replacing a whole floor structure can be building work. In Scotland that generally needs a building warrant, and in Northern Ireland council building control applies. We deal with building control where the work needs it.

More repairs we carry out in Tadley

Floor joist repairs near Tadley

If a floor in Tadley has dropped after plumbing or heating work, send photos of any lifted boards and notches, and we will price the strengthening.

Next step

Send us photos of the crack or movement

A free initial assessment from your photos, then a no-obligation written quote. If an engineer, drain survey or monitoring is needed first, we say so before you spend anything.

CallGet a quote