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Eastleigh · Hampshire

Extension pulling away repairs in Eastleigh

An extension pulling away from a Eastleigh 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
SO50, SO53
Population
about 54,000
Area
Hampshire
Pricing region
South East

What is the ground like in Hampshire?

With roughly 54,000 people, Eastleigh spans postcode districts SO50, SO53 in Hampshire. Nearby, we also cover Hedge End (4 miles), Southampton (5 miles) and Romsey (7 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.

What to look for before calling about extension pulling away repairs

  • Extension roof flashing lifting off the original wall
  • Mastic or render at the joint repeatedly splitting open
  • Patio doors or windows in the extension starting to bind

Extension pulling away repairs prices in Eastleigh

Guide prices below are for homes in Eastleigh, on South East rates and including VAT. A survey or good photos let us turn them into a fixed written price.

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

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

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

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. 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.

  3. Finish and hand over

    Internal corners are replastered, skirtings and coving refixed, and doors or windows in the extension eased where the movement affected them. Records of the repair and any approvals are passed to you.

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 Eastleigh

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

Guide prices for extension pulling away repairs in Eastleigh 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 Eastleigh?

Yes, Eastleigh is covered, along with postcode districts SO50, SO53. We also cover nearby Hedge End and Southampton.

Does the ground around Eastleigh 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.

Will my extension need underpinning?

Often not. Many separating extensions are fixed by repairing a drain, tying the junction or forming a movement joint. Underpinning is for extensions that keep dropping because their footings are too shallow or the ground beneath is poor, as shown by monitoring.

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.

More repairs we carry out in Eastleigh

Extension pulling away repairs near Eastleigh

Photos of the crack, the internal corner and the roof flashing are a good start; send them about your Eastleigh 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