Portishead · Somerset
Retaining wall repairs in Portishead
If a wall in your Portishead garden is leaning forward or weeping after rain, it is worth acting before winter adds more water to the soil. Clearing drainage can be enough for a low wall, while bigger walls may need rebuilding on new footings.
Guide price from£515per wall inc VAT
- Postcodes
- BS20
- Population
- about 26,000
- Area
- Somerset
- Pricing region
- South West
What is the ground like in Somerset?
Postcode districts BS20 cover Portishead, a Somerset town of about 26,000 people. If you are just outside Portishead, we also cover Nailsea (3 miles), Clevedon (5 miles) and Kingswood (11 miles).
Parts of Somerset have clay that can shrink near trees in dry spells. Parts of Somerset lie on a former coalfield, so a coal mining search is worth checking if movement has no obvious cause. Housing stock in Somerset: Bath stone Georgian terraces, Victorian houses in Taunton and Weston-super-Mare, and post-war estates.
What happens when we carry out retaining wall repairs in Portishead?
Site assessment
On site we measure height and lean, check the drainage and the ground at the top and bottom, and look at access for digging out. Walls that support a drive, path or building, or retain more than a modest height, are referred to an engineer.
Written quote
You receive a no-obligation written quote covering demolition, excavation, temporary support, the footing, the new or repaired wall, drainage and spoil removal. It becomes a fixed price in writing once the repair is specified.
Build and drain
The failing section is taken down, the soil supported in short lengths, and the footing cast. The wall is rebuilt with drainage behind it, backfilled with free-draining material, and building control inspects where the work needs it.
Signs you may need retaining wall repairs
- Wall leaning forward, or bulging out in the middle of its length
- Horizontal or stepped cracks running along the face of the wall
- Water seeping through joints, or white salt staining, after rain
How much will retaining wall repairs cost in Portishead?
For Portishead we use South West 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 |
|---|---|---|
| Minor repairs and drainage | £515 – £2,050 | per wall |
| Structural repair or partial rebuild | £3,100 – £15,400 | per wall |
| New retaining wall | £205 – £465 | per m² of wall face |
Which repair method suits a home in Portishead?
Structural repair and partial rebuild
A leaning or bulging section is taken down, the soil behind dug out and supported, and the wall rebuilt on a new footing with drainage and, where specified, reinforcement tied into the sound wall either side. The engineer’s design sets footing size and wall thickness.
Best for: A section that has moved while the rest stays sound
Temporary support and reducing load
While a repair is designed and programmed, a dangerous wall may be propped, or soil and loads near the top removed to reduce the push. Moving parked cars or a shed back from the wall is sometimes the simplest first step.
Best for: Walls that are moving now and need making safe
Rules for retaining wall 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.
Retaining wall repairs in Portishead: questions and answers
How much should I budget for retaining wall repairs in Portishead?
Guide prices for retaining wall repairs in Portishead start from about £515 per wall, including VAT, on South West 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 Portishead?
We do. Portishead and the surrounding area are covered, including nearby Nailsea and Clevedon. A free initial assessment from your photos is the first step.
Why do houses in Somerset crack?
Somerset mixes Lias clays, Mercia Mudstone, limestone hills and the peat and alluvium of the Levels around Bridgwater, which can settle. The former Somerset coalfield around Radstock and Midsomer Norton left recorded workings. Only an investigation can say why a particular building has moved.
Who is responsible for a retaining wall between two properties?
Usually the owner of the higher ground, because the wall holds up their land, but it depends on your title deeds and how the wall came to be built. Check the deeds first, take advice if it is unclear, and agree the repair with your neighbour before work starts.
Is a leaning retaining wall dangerous?
It can be, especially if the lean is getting worse, the wall is tall, or there is a path, drive or building next to it. A wall that has leaned slightly for decades may be stable, but one that has moved recently should be kept clear and assessed soon.
Related work in Portishead
- Crack stitching
- Structural surveys and crack monitoring
- Wall tie replacement
- Subsidence insurance claim repairs
- Floor joist repairs
Retaining wall repairs near Portishead
Get a free initial assessment of a bulging or cracked retaining wall in Portishead from your photos or a call, before the next wet spell.