England · North East
Structural repairs in County Durham
Structural repairs across County Durham: subsidence, cracks, underpinning, wall ties, lintels and claim repairs. Parts of County Durham have clay that can shrink near trees in dry spells.
- Nation
- England
- Pricing region
- North East
- Towns listed
- 13
- Mining legacy
- Coalfield
What is the ground like in County Durham?
Much of County Durham sits on the Durham Coalfield, worked for centuries, often under a cover of glacial clay. Many former pit villages have recorded mine workings, and coal mining searches are standard for property here.
Historic coal workings are recorded beneath parts of County Durham, and a coal mining search is worth checking where movement is unexplained.
What usually causes cracking in County Durham?
Before pricing a repair in County Durham, we look at these likely causes first.
- Pockets of shrinkable clay, mainly where large trees grow close to the house
- Settlement over old shallow coal workings and mine entries
- Concrete lintels and boot lintels cracking over windows
- Rusting cavity wall ties in 20th-century brick houses
- Garden and boundary walls leaning as tree roots and frost get to them
What kind of buildings are common here?
Colliery terraces, stone and brick villas in Durham and Darlington, and post-war council estates.
Which repairs do we carry out in County Durham?
- Gable end wall repairs
- Wall tie replacement
- Retaining wall repairs
- Chimney stack repairs
- Brick arch repairs
- Extension pulling away repairs
- Subsidence insurance claim repairs
- Subsidence repairs
- Structural surveys and crack monitoring
- Mining subsidence repairs
- Structural crack repairs
- Bay window subsidence repairs
- Crack stitching
- Concrete repairs
- Roof structure repairs
- Lintel replacement
- Resin injection ground stabilisation
- Floor joist repairs
- Bowing wall repairs
- Boundary and garden wall repairs
- Underpinning
Guide prices in County Durham
A selection of guide prices on North East rates, including VAT. Each repair page has the full table.
| Item | Guide price | Per |
|---|---|---|
| Crack stitching: crack stitching with stainless helical bars | £75 – £165 | per metre of crack |
| Underpinning: mass-concrete underpinning | £920 – £1,400 | per metre of wall |
| Wall tie replacement: semi-detached house | £2,300 – £4,600 | per house |
| Lintel replacement: standard window or door opening | £690 – £2,300 | per opening |
Towns we cover in County Durham
We list 13 towns in County Durham, covering 22 postcode districts in the DH, DL, SR and TS postcode areas. The largest are Darlington (about 92,000 people), Hartlepool (about 89,000 people) and Stockton-on-Tees (about 80,000 people). Each town page has local postcodes, nearby places and the repairs we carry out there.
- Darlington
- Hartlepool
- Stockton-on-Tees
- Durham
- Chester-le-Street
- Houghton-le-Spring
- Stanley
- Consett
- Newton Aycliffe
- Bishop Auckland
- Seaham
- Peterlee
- Spennymoor
Do repairs in County Durham need approval?
Most crack repairs in England need no approval, but foundation and strengthening work is building work under the Building Regulations. We tell you which applies before a price is agreed.
Questions about structural repairs in County Durham
Do you cover the whole of County Durham?
Yes. We take enquiries from across County Durham, including Darlington, Hartlepool, Stockton-on-Tees and Durham. A free initial assessment from your photos is the first step.
Is County Durham affected by subsidence?
Parts of County Durham have clay that can shrink near trees in dry spells. Historic coal workings are recorded beneath parts of County Durham, and a coal mining search is worth checking where movement is unexplained. Whether a particular building has moved, and why, needs an investigation on site.
How much do structural repairs cost in County Durham?
It depends on the repair. On North East rates, mass-concrete underpinning from about £920 per metre of wall and wall tie replacement on a semi-detached house from about £2,300 per house, including VAT. Your written price follows photos or a survey.
What should I send for a free assessment in County Durham?
Photos of each crack inside and out with a coin or tape for scale, a wider shot showing where it is on the building, your postcode in County Durham, and when you first noticed it. If an insurer is involved, include the claim reference.