Stroud · Gloucestershire
Bay window subsidence repairs in Stroud
Many bays in Stroud were butted against the house rather than bonded into it with ties or toothed brickwork. That makes the junction the first place any differential movement shows, even when the bay foundation is reasonably sound.
Guide price from£620per bay inc VAT
- Postcodes
- GL5, GL6
- Population
- about 60,000
- Area
- Gloucestershire
- Pricing region
- South West
Is Gloucestershire prone to ground movement?
Stroud is in Gloucestershire and takes in postcode districts GL5, GL6. About 60,000 people live there. If you are just outside Stroud, we also cover Gloucester (8 miles), Cirencester (10 miles) and Cheltenham (12 miles).
Parts of Gloucestershire have clay that can shrink near trees in dry spells. Parts of Gloucestershire lie on a former coalfield, so a coal mining search is worth checking if movement has no obvious cause. Across Gloucestershire, most homes are Cotswold stone cottages, Regency terraces in Cheltenham, and brick estates around Gloucester.
What happens during bay window subsidence repairs, step by step?
Photos and first view
Send photos of the outside junction, the inside corners and the window, with a scale. We give a free initial assessment and tell you whether the crack looks old and stable or whether an engineer should inspect first.
Engineer and checks
Where the cause is unclear, an independent chartered structural engineer inspects, sometimes with a trial pit at the bay and a drain survey. We can arrange the engineer. Monitoring may be suggested if the movement could be seasonal.
Carry out the work
Ties are fitted across the junction, or the bay is underpinned in sequence with building control inspecting the dig. The bay window and flashings are checked and eased or resealed where the movement has disturbed them.
What to look for before calling about bay window subsidence repairs
- A vertical crack where the bay meets the front wall
- Bay window sash or casement sticking or binding
- Gaps opening around the internal bay window board
Bay window subsidence repairs prices in Stroud
Guide prices below are for homes in Stroud, on South West rates and including VAT. A survey or good photos let us turn them into a fixed written price.
| Item | Guide price | Per |
|---|---|---|
| Bay junction crack repair and tie-inest. | £620 – £1,850 | per bay |
| Traditional underpinning of a bay | £3,100 – £7,200 | per bay |
| Mini-piled bay underpinning | £5,150 – £12,400 | per bay |
How we usually approach bay window subsidence repairs
Junction crack repair and tie-in
Where movement has stopped, the open joint between bay and house is raked out, stainless ties or helical bars are fixed across it, and the joint is repointed to match. Internal plaster along the crack is cut back and renewed before redecoration.
Best for: Old, stable cracks where the bay is no longer moving
Traditional underpinning of the bay
The bay footing is excavated in short sections and new mass concrete is placed down to firmer ground below the zone affected by roots and seasons. Because a bay is a short length of wall, the work is compact, but it needs building control approval.
Best for: Active bay movement on firm ground at moderate depth
Rules for bay window subsidence 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 bay window subsidence repairs in Stroud
How much should I budget for bay window subsidence repairs in Stroud?
Guide prices for bay window subsidence repairs in Stroud start from about £620 per bay, 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 Stroud?
We do. Stroud and the surrounding area are covered, including nearby Gloucester and Cirencester. A free initial assessment from your photos is the first step.
Why do houses in Gloucestershire crack?
The Severn vale around Gloucester, Cheltenham and Tewkesbury is Lias and Mercia Mudstone clay, the Cotswolds are limestone, and the Forest of Dean has a historic coalfield. Parts of South Gloucestershire around Kingswood also lie on old Coal Measures. Only an investigation can say why a particular building has moved.
Can a bay be underpinned without underpinning the house?
Yes, underpinning only the bay is common because it is usually the part on shallower footings. The engineer designs the junction so the strengthened bay and the existing house can move slightly without cracking, sometimes with a movement joint or ties.
Can I just fill the crack myself?
Filling it hides the evidence without dealing with the cause, and if the bay is still moving the crack will reopen. Photograph it with a scale and date first. If you plan to claim on insurance, tell your insurer before any repair, including filling.
Related work in Stroud
- Lintel replacement
- Crack stitching
- Subsidence insurance claim repairs
- Underpinning
- Extension pulling away repairs
Bay window subsidence repairs near Stroud
If your insurer is handling a bay claim at your Stroud property, share the schedule and we will price the repair to it in writing.