Greenwich · Greater London
Brick arch repairs in Greenwich
Before repairing a brick arch at a Greenwich property, we check what sits behind it. A rotting timber lintel on the inner face is a frequent hidden cause, and fixing only the visible arch would leave the real problem in place.
Guide price from£500per arch inc VAT

- Postcodes
- SE3, SE7, SE9, SE10, SE18
- Population
- about 290,000
- Area
- Greater London
- Pricing region
- London
How do local ground conditions affect brick arch repairs in Greenwich?
Greenwich is one of the 32 London boroughs, with around 290,000 residents in districts such as SE3, SE7, SE9, SE10, SE18. We also take enquiries from nearby Lewisham (4 miles), Newham (4 miles) and Bexley (4 miles).
Shrinkable clay is widespread in Greater London. Ground movement here is more often linked to soils, drains and trees than to mining. What you mostly find across Greater London: Victorian and Edwardian terraces with shallow footings, inter-war semis in the outer boroughs, and converted flats and mansion blocks.
Is it time for brick arch repairs? Common signs
- The centre bricks of an arch sitting lower than the rest
- Mortar falling out of the arch joints after frosty weather
- Gaps opening between arch bricks at the top or bottom edge
What should you budget for brick arch repairs in Greenwich?
The ranges below reflect typical London costs for brick arch repairs, including VAT. Scaffold, access and making good can push a job to the top of the range.
| Item | Guide price | Per |
|---|---|---|
| Stitching and reinforcing a sound archest. | £500 – £1,500 | per arch |
| Rebuilding an arch (one side) | £1,100 – £1,600 | per opening |
| Rebuilding an arch (both sides) | £2,250 – £3,250 | per opening |
Repair options we may recommend
Rebuilding over a former
A timber former is cut to the arch profile and propped under the opening. The old arch is carefully taken down, bricks cleaned for reuse, and the arch rebuilt over the former with tight joints and a properly set keystone. The former stays until the mortar is strong enough to carry the load.
Best for: Badly dropped arches or ones with loose voussoirs
Lime mortar repairs
On older houses built in soft brick and lime, the arch is rebuilt or repointed in a lime mortar matched to the original. Lime lets moisture escape and moves slightly with the wall, so it protects the bricks rather than forcing damage into them, as hard cement mortar can.
Best for: Pre-1919 houses and soft historic brick
What to expect when we carry out brick arch repairs
Look at the arch closely
Straight-on photos of the arch and the wall either side show us how far it has dropped, whether the bricks are sound and whether the cause seems to be the arch itself or the wall around it.
Support the opening
Props carry the brickwork above, and for a rebuild a former is made to the exact profile of the arch. The window or door frame is protected so it is not asked to carry any load.
Strike the former and point
Once the mortar has cured enough, the former and props are removed. Joints are finished to match the surrounding wall, and any cracks running from the arch into the wall are repaired at the same visit.
Rules for brick arch repairs in England
Like-for-like repairs such as crack stitching and repointing do not usually need building control approval in England, but anything that changes or strengthens the structure, such as underpinning or rebuilding a wall, does. If the work touches a party wall, the Party Wall etc. Act 1996 may apply.
Your brick arch repairs questions
What is the price of brick arch repairs in Greenwich?
Guide prices for brick arch repairs in Greenwich start from about £500 per arch, including VAT, on London rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Do you carry out brick arch repairs in Greenwich?
Yes, Greenwich is covered, along with postcode districts SE3, SE7, SE9, SE10. We also cover nearby Lewisham and Newham.
Does the ground around Greenwich cause cracking?
Most of Greater London sits on London Clay, among the most shrinkage-prone ground in the UK, with river gravels along the Thames. Subsidence claims here are among the most frequent in the country, especially after dry summers and near street and garden trees. Only an investigation can say why a particular building has moved.
Can you match the original bricks?
Usually, because most arches are rebuilt with their own cleaned bricks, which is the best match of all. Damaged bricks are replaced with reclaimed or new bricks chosen for size, colour and texture, and the mortar is matched to the surrounding joints.
Do flat brick arches need a lintel?
Many flat soldier arches were built with a hidden steel bar or timber behind, because they have little true arch action. When repairing one, we check what is supporting it and, where needed, reinforce it with bars or add suitable support behind.
More repairs we carry out in Greenwich
- Wall tie replacement
- Structural crack repairs
- Extension pulling away repairs
- Concrete repairs
- Subsidence insurance claim repairs
Brick arch repairs near Greenwich
Request a written, no-obligation price for arch repairs in Greenwich; every arch is itemised, along with any work needed on the inside face.