Aberdeen · Aberdeen and Aberdeenshire
Bay window subsidence repairs in Aberdeen
Front gardens across Aberdeen and Aberdeen and Aberdeenshire often put hedges, trees and gullies close to the bay. Each can affect the ground under a shallow bay footing, so they are checked before deciding between a tie-in repair and underpinning.
Guide price from£570per bay inc VAT

- Postcodes
- AB10, AB11, AB12, AB15, AB16
- Population
- about 200,000
- Area
- Aberdeen and Aberdeenshire
- Pricing region
- Scotland
Is Aberdeen and Aberdeenshire prone to ground movement?
Aberdeen is in Aberdeen and Aberdeenshire and takes in postcode districts AB10, AB11, AB12, AB15, AB16. About 200,000 people live there. We also take enquiries from nearby Westhill (7 miles), Stonehaven (13 miles) and Inverurie (14 miles).
Shrinkable clay is less common in Aberdeen and Aberdeenshire than in south-east England. Ground movement here is more often linked to soils, drains and trees than to mining. What you mostly find across Aberdeen and Aberdeenshire: granite tenements and terraces in Aberdeen, fishing-town cottages and post-war estates.
Which repair method suits a home in Aberdeen?
Mini-piled bay underpinning
Small piles are installed to depth around or beneath the bay and linked by a reinforced beam or needles that pick up its weight. It suits deeper soft ground and heavy root activity, and the compact rigs fit into a front garden.
Best for: Deep clay, nearby trees, or poor ground below the bay
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
What happens when we carry out bay window subsidence repairs in Aberdeen?
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.
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.
Make good inside
Plaster around the bay and along the junction is renewed, the window board is refixed and the room is ready for decoration. Building control paperwork, where it applies, is passed to you for your records.
Signs you may need bay window subsidence repairs
- Bay roof or lead flashing pulling away from the main wall
- Cracks above the bay window head or below the sill
- Gaps opening around the internal bay window board
How much will bay window subsidence repairs cost in Aberdeen?
For Aberdeen we use Scotland 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 |
|---|---|---|
| Bay junction crack repair and tie-inest. | £570 – £1,700 | per bay |
| Traditional underpinning of a bay | £2,850 – £6,650 | per bay |
| Mini-piled bay underpinning | £4,750 – £11,400 | per bay |
Rules for bay window subsidence repairs in Scotland
In Scotland, underpinning and other structural alterations generally need a building warrant from the council’s building standards service before work starts, and a completion certificate at the end; small like-for-like repairs often do not. There is no Party Wall Act in Scotland; shared walls are covered by title deeds and, for flats, the Tenements (Scotland) Act 2004.
Bay window subsidence repairs in Aberdeen: questions and answers
How much should I budget for bay window subsidence repairs in Aberdeen?
Guide prices for bay window subsidence repairs in Aberdeen start from about £570 per bay, including VAT, on Scotland 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 Aberdeen?
Yes. We take enquiries from across Aberdeen, including AB10, AB11, AB12, AB15, and from nearby places such as Westhill and Stonehaven. Send photos for a free initial view and we will tell you what happens next.
Why do houses in Aberdeen and Aberdeenshire crack?
The north-east is mostly granite and other hard rock with glacial till and sands, so clay shrinkage is uncommon. Granite buildings, older lime mortars and coastal exposure shape most repairs. Only an investigation can say why a particular building has moved.
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.
Why do bay windows crack away from the house?
Bays often stand on shallower footings than the main walls, so they react to drying clay, roots and drain leaks that the deeper house foundations escape. Many bays were also never properly tied in, so any movement opens a clean vertical crack at the junction.
Related work in Aberdeen
- Gable end wall repairs
- Boundary and garden wall repairs
- Retaining wall repairs
- Bowing wall repairs
- Floor joist repairs
Bay window subsidence repairs near Aberdeen
Photos of the bay floor, window and junction crack are enough to start; send them about your Aberdeen home and we will reply with a view.