Greater London · England
Structural repairs in Merton
Structural repairs in Merton: subsidence, cracks, underpinning, wall ties and lintels, with a free initial assessment from your photos.
- Postcodes
- CR4, SM4, SW19, SW20
- Population
- about 220,000
- Area
- Greater London
- Pricing region
- London
Where do we cover around Merton?
Merton is one of the 32 London boroughs, with around 220,000 residents in districts such as CR4, SM4, SW19, SW20. If you are just outside Merton, we also cover Wandsworth (3 miles), Sutton (3 miles), Kingston upon Thames (4 miles) and Ewell (4 miles).
How do local ground conditions affect structural repairs in Merton?
Shrinkable clay is widespread in Greater London. Ground movement here is more often linked to soils, drains and trees than to mining. What you mostly find across Greater London: Victorian and Edwardian terraces with shallow footings, inter-war semis in the outer boroughs, and converted flats and mansion blocks.
What we check first in Merton
These are the things we most often check for in Merton. The repair only lasts if the cause has stopped.
- Shrinkable clay drying out in hot summers, worst within reach of tree roots
- Shallow footings and corroded wall ties in older brick houses
- Bay windows built on shallower footings than the main walls
- Extensions and bays moving differently from the main house
Repairs we carry out in Merton
- Subsidence insurance claim repairs
- Crack stitching
- Extension pulling away repairs
- Bay window subsidence repairs
- Concrete repairs
- Roof structure repairs
- Structural crack repairs
- Underpinning
- Chimney stack repairs
- Floor joist repairs
- Lintel replacement
- Boundary and garden wall repairs
- Wall tie replacement
- Retaining wall repairs
- Brick arch repairs
- Bowing wall repairs
- Gable end wall repairs
- Resin injection ground stabilisation
- Subsidence repairs
- Structural surveys and crack monitoring
Guide prices in Merton
For Merton we use London 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 |
|---|---|---|
| Underpinning: mass-concrete underpinning | £1,250 – £1,900 | per metre of wall |
| Resin injection ground stabilisation: resin injection ground stabilisation | £1,000 – £1,900 | per metre of wall treated |
| Wall tie replacement: semi-detached house | £3,100 – £6,250 | per house |
| Bowing wall repairs: lateral restraint for a typical gable | £1,250 – £3,750 | per wall |
Do repairs in Merton need approval?
Stitching and like-for-like repairs rarely need approval in England. Underpinning and other strengthening work goes through building control, and work near a neighbour’s foundations can need a party wall notice.
Towns near Merton
Structural repairs in Merton: questions
Do you cover Merton?
Yes, Merton is covered, along with postcode districts CR4, SM4, SW19, SW20. We also cover nearby Wandsworth and Sutton.
Why do houses in Merton crack?
Common causes around Merton include bay windows built on shallower footings than the main walls, shallow footings and corroded wall ties in older brick houses, and extensions and bays moving differently from the main house. The cause is checked before any repair is recommended.
How much do structural repairs cost in Merton?
It depends on the repair. On London rates, mass-concrete underpinning from about £1,250 per metre of wall and wall tie replacement on a semi-detached house from about £3,100 per house, including VAT. Your written price follows photos or a survey.
Send photos of the problem in Merton and we will come back with a free initial view and the next step.