Listed buildings and conservation areas

Cement patches sit in otherwise lime joints on a listed front. Can the survey order those patches to be hacked off?

No. The survey cannot order the cement patches to be hacked off. They sit in otherwise lime joints on a listed front, which the inspection can describe. An order to hack mortar off is a works instruction, and it can be a consent question. Historic England explains that listing covers the whole building, joints included. The survey does not grant consent, and it does not command a method. It has recorded hard patches in lime joints. It has not told anyone to cut them out.

Last reviewed 24 October 2026. Written for buyers in England and Wales unless this answer says otherwise. No named surveyor has signed this page. It is general guidance, not a report on your house, and not legal advice.

What is the fuller explanation?

Cement in a lime joint is a mismatch of materials. The harder patch can hold water against softer lime and stone or brick, and it can crack where the two mortars meet. That is a condition comment about what is on the front. Deciding to hack the patches off, and with what tools and what replacement mix, is a specification. The visit did not write one, and it did not sample the original lime.

Pass the patches to the solicitor with the list entry, and ask whether raking them out needs consent. Historic England explains that listing covers the whole building. The survey does not grant consent and cannot order the hacking. If a mortar specification is needed, that comes from someone who matches lime, not from a sentence that only records the patches. Leave the joints alone until that advice exists.

What should you ask your surveyor?

  • Did you describe the cement patches without ordering them hacked off?
  • What in the lime joints did you actually see?
  • Are you leaving listing consent to the solicitor rather than granting it?

What are the typical next steps?

  1. Treat the cement patches as a materials note, not an order to hack.
  2. Ask the solicitor whether removing them needs listed-building consent.
  3. Do not read the survey as permission to cut the joints out.

Costs vary with the building and with who you instruct. Where this page does not cite a published figure, ask the surveyor, a relevant specialist, or your solicitor for a written quote. Do not treat a forum average as the price.

Also asked about this

If the patches are only a few joints, must they stay forever?

The survey has not ordered them to stay, and it has not ordered them off. A small number of cement patches is still cement in lime joints. Historic England explains that listing covers the whole building, so size does not take the joints off the list. The survey does not grant consent for leaving them or for hacking them out.

Can you rake the cement out yourself because the report mentioned it?

No. Mentioning the patches is not an instruction to rake them, and the survey cannot order that hacking. On a listed front the work can need consent the inspection has not given. Historic England explains that listing covers the whole building. Wait for a mortar specification and for the solicitor on consent.

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