Borehamwood · Hertfordshire
Bowing wall repairs in Borehamwood
A slight lean is common on houses of a certain age in Borehamwood, and many have stood that way for generations. A growing bow, crushing bricks or a gap opening at the skirting is different, and is worth checking promptly.
Guide price from£1,050per wall inc VAT
- Postcodes
- WD6
- Population
- about 36,000
- Area
- Hertfordshire
- Pricing region
- East of England
Is Hertfordshire prone to ground movement?
Borehamwood (WD6) has around 36,000 residents and sits in Hertfordshire. If you are just outside Borehamwood, we also cover Barnet (4 miles), Potters Bar (5 miles) and Watford (5 miles).
Much of Hertfordshire sits on clay that shrinks in dry summers and swells in wet winters. Ground movement here is more often linked to soils, drains and trees than to mining. Across Hertfordshire, most homes are garden-city houses in Letchworth and Welwyn, 1930s semis, Victorian terraces and post-war new-town estates.
What should you budget for bowing wall repairs in Borehamwood?
The ranges below reflect typical East of England costs for bowing wall repairs, including VAT. Scaffold, access and making good can push a job to the top of the range.
| Item | Guide price | Per |
|---|---|---|
| Lateral restraint for a typical gable | £1,050 – £3,150 | per wall |
| Remedial restraint ties installed | £25 – £65 | per tie |
| Partial rebuild of a badly distorted sectionest. | £3,150 – £8,400 | per section |
Repair options we may recommend
Stitching a delaminating wall
Where the layers of a solid wall have separated, long stainless ties are drilled in from the face and bonded into the inner layer to bind the wall together again. This is often combined with restraint ties, so the wall is both reconnected through its thickness and tied back to the structure.
Best for: Solid walls where the outer layer has pulled away
Lateral restraint straps
Galvanised or stainless straps are fixed across three or more joists or rafters, turned down against the inside face of the wall and fixed into the masonry. They work well at ceiling and roof level, where the fixings stay hidden.
Best for: Gables and walls bowing near ceiling or roof level
What to expect when we carry out bowing wall repairs
Assess the bow
We look at where the wall bows, how far it is out of plumb and how the floors and roof meet it. Photographs from your phone held flat against the wall often show the shape clearly before anyone visits.
Decide restrain or rebuild
If the wall is badly out of plumb, has bricks crushing or follows removed internal walls, we recommend an engineer, and can arrange one. Their view sets whether restraint is enough or a section needs rebuilding.
Fit the ties and straps
Ties are drilled through and fixed, or straps fitted and secured, at the spacing specified. Any rebuild is carried out at this stage, with temporary propping in place until the new brickwork has gained strength.
Is it time for bowing wall repairs? Common signs
- Horizontal cracking at first-floor or ceiling level
- Gaps opening between floorboards and the skirting on an outside wall
- Gutters or the roof edge no longer lining up with the wall
Rules for bowing 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.
Your bowing wall repairs questions
How much should I budget for bowing wall repairs in Borehamwood?
Guide prices for bowing wall repairs in Borehamwood start from about £1,050 per wall, including VAT, on East of England 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 Borehamwood?
Yes, Borehamwood is covered, along with postcode districts WD6. We also cover nearby Barnet and Potters Bar.
Why do houses in Hertfordshire crack?
South Hertfordshire around Watford, Borehamwood and Potters Bar is London Clay, while the north and west are chalk with clay-with-flints and the east has boulder clay. The clay areas are prone to seasonal subsidence near trees. Only an investigation can say why a particular building has moved.
What is lateral restraint?
Lateral restraint is the connection that stops a wall moving sideways, provided by tying it to the floors and roof. Older houses often have little or none, especially where joists run parallel to the wall. Remedial ties and straps add that connection after the event.
Does a bowing wall need an engineer?
Often it does, especially if the bow is large, growing or linked to removed internal walls or chimney breasts. Small, long-standing bows can sometimes be restrained to a standard detail. Where the repair needs an engineer’s design or sign-off, we can arrange an independent chartered structural engineer.
Related work in Borehamwood
- Structural crack repairs
- Underpinning
- Concrete repairs
- Extension pulling away repairs
- Bay window subsidence repairs
Bowing wall repairs near Borehamwood
If a wall in Borehamwood began bowing after building work next door, dated photos help us suggest who should look at it first.