Repointing around Holt, and the listed question

Soft brick, and why the grinder stays in the van. A lot of the brickwork around Holt is handmade brick in a lime mortar, in solid walls with no cavity behind them.

A solid wall in Holt is breathable by design: it sheds water by letting it evaporate back out through the joint, so the mortar has to stay weaker and more open than the brick. Raking is done by hand, to a depth of roughly twice the joint width, perpends included. A disc cutter or an angle grinder widens the joint and takes the arris off the brick either side, so neither comes out on soft fabric. Joints are damped down before filling so the mix cures instead of flashing off, then brushed back once the mortar has taken up. The finish matches what the wall already carries, on a period cottage usually flush or a shade recessed rather than the weather struck joint of later Victorian and Edwardian brickwork.

Undoing a cement repair. The commonest damage on old walls in Holt is not neglect, it is a previous repointing in sand and cement. A dense joint stops the wall breathing, so moisture leaves through the brick face instead and frost takes the face off. The joints survive and the brick does not. Cutting that mortar out without breaking the brick around it is slow work, and it is the only repair that changes the outcome.

Matching the mix, and proving it first. We take a sample of sound original mortar from somewhere sheltered, read the sand in it for colour and grade, and gauge an NHL lime or lime putty mix against it. A trial panel then goes up on a discreet part of the wall so you can judge colour and texture in daylight. Fresh mortar reads lighter than aged mortar, so the panel is judged on where it will end up.

Blown faces, cut out rather than filled. Where a brick face has spalled we cut the brick out whole and turn or replace it against a sample. Filling the hollow with mortar leaves a patch that never matches and drops out inside a couple of winters. The damage gathers low down, where the wall draws water out of the ground, and at the top where the coping has failed.

Wall heads, copings and stacks. Water into the top of a Holt wall does more harm than anything landing on the face, because it runs down inside the brickwork rather than off it. Rebedding a loose coping and pointing the wall head is short work and stops most of what follows. Chimneys are the same story higher up: weather on four sides, joints going friable years ahead of everything below. That is work at height and wants a proper platform.

Two walls of the same size can take very different time, so we price from the joints, not the square metres.

Reach. A Holt cottage wall beside the road, a farm building behind a yard and a chimney on a steep roof each need different access. A stack or a gable needs a scaffold, costed for as long as it stands, under the work at height rules.

Depth of the joints. Light weathering rakes out quickly. Deep washed-out joints and spalled faces take far longer. Raking by hand is slow; a disc is fast but widens the joint and rounds the arris, and you see that for good.

Lime or cement. An older wall built in lime needs lime pointing, weaker than the brick, so moisture leaves through the joint rather than the brick face. A hard cement mix does the opposite, and the faces blow in the first hard frost. Lime is slower to lay and to cure.

Cracks. The clay under Holt moves between wet and dry seasons. Where a crack runs up through the joints, the reason needs finding before it is simply pointed over.

Bricks. Replacing a spalled old brick can mean hunting a reclamation yard for a match.

Put these to any other quote: raked by hand or disc, and how deep; lime or cement, and matched to what; scaffold in or extra.

Holt has 13 listed entries in and around the village, a lot for a place of this size, and the part that catches people out is not the house. Listing generally extends to other structures within the curtilage that stood there before July 1948: a barn, a former stable, an outbuilding across the yard, or the wall attached to any of them. Owners know the cottage is listed. Few realise the wall along the front of it may be too.

For mortar that matters, because the mix, the colour and the joint profile are all part of what the listing protects. Pointing an old wall in a bright cement mortar is a change to a listed structure whatever anybody intended. Find out what your entry covers before agreeing a specification, and get the mortar and the profile written into the quote. We will make the enquiry to Dorset Council with you if you would rather not.

Walls in Holt, Furzehill and Colehill, and over to Wimborne Minster, Broadstone and Verwood, are ours to repoint, and for Holt itself the authority is Dorset Council. Our base in Boscombe sits 8.6 miles away. Scratching out a joint and choosing the mix is Thomas Hannen's job as the owner, and so is the price.

A verified customer on Checkatrade marked us 10 out of 10. Seeing the wall costs nothing, and nor does the written, itemised price. For the record: Bournemouth Roofing & Building Ltd, registered in England and Wales, company number 15471719. Before you book a visit in Holt, you can read our customers' Google reviews, word for word, on our reviews page.

Most repairs in Holt need no application at all. What decides whether a change to the outside of your house does is who the council is, whether a conservation area or a listing applies, and whether the place sits in a protected landscape.