Aldershot · Hampshire
Underpinning in Aldershot
Homeowners in Aldershot often ask whether underpinning can be avoided, and in many cases it can. When movement continues after drains and trees have been dealt with, a well-designed scheme carries the house down to ground that no longer shifts with the seasons.
Guide price from£1,100per metre of wall inc VAT

- Postcodes
- GU11
- Population
- about 40,000
- Area
- Hampshire
- Pricing region
- South East
How do local ground conditions affect underpinning in Aldershot?
We cover Aldershot and its postcode districts GU11, part of Hampshire, with a population of roughly 40,000. We also take enquiries from nearby Farnham (3 miles), Farnborough (3 miles) and Fleet (4 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.
How much will underpinning cost in Aldershot?
For Aldershot 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.
| Item | Guide price | Per |
|---|---|---|
| Mass-concrete underpinning | £1,100 – £1,700 | per metre of wall |
| Beam-and-base underpinning | £1,700 – £2,800 | per metre of wall |
| Mini-piled underpinning | £2,250 – £3,900 | per metre of wall |
| Engineer's design and building control feesest. | £895 – £2,800 | per scheme |
Which repair method suits a home in Aldershot?
Mini-piled underpinning
Small-diameter piles are driven or bored down to firm ground and linked by a reinforced beam or needles that pick up the wall. Compact rigs fit through narrow access, and the method reaches depths that would be impractical to excavate by hand.
Best for: Deep soft ground, tree roots, or restricted access
Beam-and-base underpinning
A reinforced concrete beam is cast beneath or alongside the existing footing and carries the wall onto mass concrete bases at intervals. It spreads load well across variable ground and can mean less digging than continuous underpinning along the whole wall.
Best for: Longer runs of wall or heavier loads over variable ground
What happens when we carry out underpinning in Aldershot?
Engineer’s investigation
An independent chartered structural engineer studies the monitoring results, trial pits and soil tests, then decides whether underpinning is needed and which method suits. We can arrange the engineer if you do not already have one.
Design and approvals
The engineer produces drawings and calculations. We make the building control or building warrant application, and party wall notices are served where the law requires them, before any digging starts.
Fixed written price
With the design in hand we confirm a fixed price in writing, setting out the method, the length of wall, access arrangements and the making good. For insurance work we can price to the loss adjuster’s or engineer’s schedule.
Signs you may need underpinning
- Cracks that keep widening after the drains have been repaired
- A large tree nearby that cannot be removed or reduced
- One corner of the house visibly lower than the others
Rules for underpinning 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.
Underpinning in Aldershot: questions and answers
What is the price of underpinning in Aldershot?
Guide prices for underpinning in Aldershot start from about £1,100 per metre of wall, 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 underpinning in Aldershot?
Yes. We take enquiries from across Aldershot, including GU11, and from nearby places such as Farnham and Farnborough. Send photos for a free initial view and we will tell you what happens next.
Does the ground around Aldershot 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.
Which underpinning method is best?
The right method depends on how deep firm ground lies, the load on the wall and the access. Mass concrete suits moderate depths, beam-and-base spreads heavier loads, and mini-piles reach deep soft ground or work through tight access. The engineer chooses the method from the site investigation.
Can I stay in my house during underpinning?
Most people stay at home during external underpinning, because the digging happens outside along the wall. Expect noise, restricted access to that side of the house and some dust. If the work has to be done from inside, through the floor, moving out for part of the job is sometimes advised.
More repairs we carry out in Aldershot
- Gable end wall repairs
- Concrete repairs
- Chimney stack repairs
- Lintel replacement
- Bay window subsidence repairs
Underpinning near Aldershot
Have an engineer’s underpinning design for your Aldershot property? Send it over and we will return a fixed price in writing once the scheme is specified.