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Fareham · Hampshire

Extension pulling away repairs in Fareham

An extension pulling away from a Fareham house is often a drain problem, a shallow footing or a missing tie-in, rather than a failing building. Finding out which applies decides whether the fix is a junction repair or new foundations.

Guide price from£670per junction inc VAT

Rear brick extension with a tapered crack at the joint with the house
Postcodes
PO14, PO15, PO16
Population
about 42,000
Area
Hampshire
Pricing region
South East

What is the ground like in Hampshire?

Fareham is in Hampshire and takes in postcode districts PO14, PO15, PO16. About 42,000 people live there. Nearby places we cover include Portsmouth (5 miles), Hedge End (7 miles) and Waterlooville (7 miles).

Shrinkable clay is widespread in Hampshire. Ground movement here is more often linked to soils, drains and trees than to mining. Housing stock in Hampshire: Victorian terraces in Portsmouth and Southampton, 1930s semis, and large post-war and new-build estates.

Extension pulling away repairs prices in Fareham

For Fareham 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
Junction crack repair with stainless tiesest.£670 – £2,250per junction
Movement joint and making goodest.£450 – £1,350per junction
Underpinning the extension where needed£1,100 – £2,800per metre of wall

How we usually approach extension pulling away repairs

Underpinning the extension

If the extension is still dropping because its footings are too shallow or on poor ground, they are taken deeper by mass concrete, beam-and-base or mini-piles. The engineer designs the scheme, and the junction is repaired once the new foundation is in.

Best for: Active movement from shallow footings, roots or soft ground

Movement joint and making good

Where some seasonal movement is expected to continue, the junction is formed into a proper flexible movement joint with a compressible filler and sealant, so the two parts can move without cracking. Flashings and internal finishes are detailed to suit.

Best for: Minor ongoing movement that does not threaten the structure

What happens during extension pulling away repairs, step by step?

  1. Show us the junction

    Send photos of the crack outside, the internal corner and any flashing above, with a measure for scale. We give a free initial assessment and an initial view on whether the gap is likely old or still opening.

  2. Find what is moving

    An independent chartered structural engineer can inspect, and we can arrange one. A drain survey under the extension, a trial pit at its footing and tell-tale monitoring across the joint are common checks before choosing the repair.

  3. Choose the fix

    The engineer decides between ties, a movement joint or underpinning. We confirm a fixed price in writing once the repair is specified, covering the junction, flashings, internal finishes and any foundation work.

What to look for before calling about extension pulling away repairs

  • Mastic or render at the joint repeatedly splitting open
  • Daylight or draughts showing through the internal corner joint
  • Patio doors or windows in the extension starting to bind

Rules for extension pulling away repairs in England

In England, underpinning and other work that alters or strengthens a wall or foundation is building work under the Building Regulations (Part A, structure), so building control approves and inspects it. Like-for-like repairs often are not, and we tell you which applies before a price is agreed. Work to a party wall, or excavation close to a neighbour’s foundations, can also need a notice under the Party Wall etc. Act 1996.

Questions about extension pulling away repairs in Fareham

What is the price of extension pulling away repairs in Fareham?

Guide prices for extension pulling away repairs in Fareham start from about £670 per junction, 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 extension pulling away repairs in Fareham?

Yes. We take enquiries from across Fareham, including PO14, PO15, PO16, and from nearby places such as Portsmouth and Hedge End. Send photos for a free initial view and we will tell you what happens next.

Does the ground around Fareham 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.

What is a movement joint?

A movement joint is a deliberate, flexible break in a wall that lets two parts of a building move slightly without cracking. It is filled with a compressible material and sealed. At an extension junction it can replace a rigid joint that keeps cracking.

Can I just fill the gap with mastic?

Mastic can keep water out short term, but it does not stop movement or reconnect the walls. If the gap reopens after filling, something is still moving. Photograph and measure it over a few months first, so an engineer can see the trend.

More repairs we carry out in Fareham

Extension pulling away repairs near Fareham

Photos of the crack, the internal corner and the roof flashing are a good start; send them about your Fareham home and we will reply with a view.

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