Harlow · Essex
Brick arch repairs in Harlow
Older Harlow houses often carry their window and door heads on brick arches built without any steel at all. When the centre bricks slip, the arch either needs reinforcing in place or rebuilding over a timber former.
Guide price from£420per arch inc VAT

- Postcodes
- CM17, CM18, CM19, CM20
- Population
- about 93,000
- Area
- Essex
- Pricing region
- East of England
What should you know about the ground under Harlow?
Harlow, Essex: about 93,000 residents across postcode districts CM17, CM18, CM19, CM20. Nearby, we also cover Hoddesdon (5 miles), Ware (6 miles) and Bishop's Stortford (7 miles).
Essex is one of the parts of the UK where clay soils are most likely to move with the seasons. Ground movement here is more often linked to soils, drains and trees than to mining. Typical buildings in Essex: Victorian terraces, 1930s semis and bungalows, and large post-war new-town estates in Basildon and Harlow.
How much will brick arch repairs cost in Harlow?
The ranges below reflect typical East of England 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. | £420 – £1,250 | per arch |
| Rebuilding an arch (one side) | £945 – £1,350 | per opening |
| Rebuilding an arch (both sides) | £1,900 – £2,750 | per opening |
Which repair method suits a home in Harlow?
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 happens when we carry out brick arch repairs in Harlow?
Choose reinforce or rebuild
We recommend reinforcement where the arch is sound and only slightly displaced, and a rebuild where it has dropped badly or bricks are loose. If the wall beside the opening is moving, that is dealt with first.
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.
Signs you may need brick arch repairs
- Mortar falling out of the arch joints after frosty weather
- A flat arch that has started to sag into a shallow curve
- A vertical crack running up from the middle of the arch
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.
Brick arch repairs in Harlow: questions and answers
How much will brick arch repairs cost in Harlow?
Guide prices for brick arch repairs in Harlow start from about £420 per arch, 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.
Do you cover Harlow?
Yes. We take enquiries from across Harlow, including CM17, CM18, CM19, CM20, and from nearby places such as Hoddesdon and Ware. Send photos for a free initial view and we will tell you what happens next.
Is the ground in Essex prone to subsidence?
London Clay covers much of south and central Essex and boulder clay much of the north, making it one of the counties most affected by clay shrinkage in dry summers. Street and garden trees close to houses add to the risk. Only an investigation can say why a particular building has moved.
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.
Should a brick arch be repaired with lime mortar?
On older houses built with soft bricks and lime, yes, in most cases. Lime mortar lets the wall breathe and is weaker than the brick, so any movement or frost damage happens in the joints rather than the bricks. Modern hard brickwork can take a cement-based mortar.
Other structural repairs in Harlow
- Underpinning
- Structural surveys and crack monitoring
- Crack stitching
- Bowing wall repairs
- Floor joist repairs
Brick arch repairs near Harlow
Have several dropped arches along one Harlow elevation? We can price them together and suggest the order that makes sense.