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Devon · England

Bowing wall repairs in Devon

If you live in Devon and are looking at bowing wall repairs, the first question is why the wall moved. Shrinkable clay is less common in Devon than in south-east England; old metal-mine shafts and workings are recorded in places, so mining searches are routine for some properties.

Guide price from£1,050per wall inc VAT

Gable wall of an end-terrace with round restraint tie plates fixed through it
Area
Devon
Pricing region
South West
Ground
Mostly firmer ground
Towns listed
10

What is the ground like in Devon?

Devon's ground is mostly older mudstones, sandstones and granite, so shrinkable-clay subsidence is less widespread than further east. Older solid-walled and cob buildings, steep sites and retaining walls are the more common structural concerns.

Old metal-mine shafts and workings are recorded in places, so mining searches are routine for some properties. Housing stock in Devon: Cob and stone cottages, Victorian terraces in Exeter, Plymouth and Torbay, and post-war estates.

What to look for before calling about bowing wall repairs

  • Gutters or the roof edge no longer lining up with the wall
  • A visible belly in the wall when you sight along it
  • Internal plaster cracks where a wall meets the ceiling
  • Window frames pulling away from the brickwork at the sides

Bowing wall repairs prices in Devon

For Devon we use South West rates. Treat the table as a budget guide, inc VAT; the price you pay is the one on your written quote.

Guide prices inc VAT on South West rates. Items marked est. are our estimates.
ItemGuide pricePer
Lateral restraint for a typical gable£1,050 – £3,100per wall
Remedial restraint ties installed£25 – £60per tie
Partial rebuild of a badly distorted sectionest.£3,100 – £8,250per section

How we usually approach bowing wall repairs

Restraint ties into the floor

Stainless restraint ties are drilled through the wall and fixed into the floor joists or into blocking between them. Where joists run parallel, noggins are fitted across several joists so the tie has something solid to hold. A neat plate or a buried fixing is left on the outside face.

Best for: Walls bowing at floor level where joists run alongside

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

Partial rebuild

A section that has bowed beyond safe limits, or where bricks have crushed, is propped, taken down and rebuilt plumb with restraint built in. It is the most disruptive option, so it is kept to the area that genuinely needs it.

Best for: Badly distorted sections that cannot be tied back

What happens during bowing wall repairs, step by step?

  1. 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.

  2. 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.

  3. 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.

Bowing wall: wall tied back to the floor structure with lateral restraintRESTRAINT TO JOISTSBULGEFLOOR STRUCTUREINDICATIVE · NOT TO SCALE
Bowing wall: wall tied back to the floor structure with lateral restraint. Indicative drawing, not to scale.

Do you need approval 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.

Bowing wall repairs near you in Devon

Questions about bowing wall repairs in Devon

Does the ground around Plymouth cause cracking?

Devon's ground is mostly older mudstones, sandstones and granite, so shrinkable-clay subsidence is less widespread than further east. Older solid-walled and cob buildings, steep sites and retaining walls are the more common structural concerns. Old metal-mine shafts and workings are recorded in places, so mining searches are routine for some properties. Only an investigation on site can say why a particular building has moved.

How much will bowing wall repairs cost in Devon?

On South West rates, bowing wall repairs starts from about £1,050 per wall, including VAT. The written price depends on the extent of the damage, access and whether an engineer or building control is needed.

Is a bowing wall dangerous?

A bowing wall is not always dangerous, but it should never be ignored. Many have been slightly out of line for decades. A bow that is growing, crushing bricks or appeared after building work is more serious, and an engineer should look at it promptly. Your engineer will confirm.

Will I need to move out during bowing wall repairs?

Usually not. Restraint work means lifting some floorboards or a strip of ceiling along one wall, so a room or two is disrupted for a few days. A partial rebuild of an external wall can be more involved, and we will talk it through with you first.

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.

More repairs we carry out in Devon

Next step

Send us photos of the crack or movement

A free initial assessment from your photos, then a no-obligation written quote. If an engineer, drain survey or monitoring is needed first, we say so before you spend anything.

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