Owning a listed building in Kent is a privilege and a responsibility. Restoration done well protects the character that made the building special and can quietly transform how it lives; done badly, it can cause irreversible harm and land you with enforcement action. This guide explains what to expect before you start.
Listed building consent, in plain English
A listing protects the whole building, inside and out, not just the front elevation. That means many works which would be permitted development on an ordinary house require listed building consent — including internal alterations, replacing windows, re roofing and even repointing in the wrong material. Carrying out unauthorised works to a listed building is a criminal offence, so consent is not optional box ticking.
- Consent is granted by your local planning authority, guided by a conservation officer
- You will usually need drawings, a heritage statement and a schedule of works
- Like for like repairs may not need consent, but it is always worth checking first
- Consent runs alongside, not instead of, ordinary planning and building regulations
Why traditional materials are non negotiable
Old buildings were built to manage moisture by breathing, using soft, permeable materials. The defining error of twentieth century "improvement" was wrapping them in impermeable modern ones — cement renders, gypsum plasters, plastic paints — which trap damp and rot timbers from the inside. Sympathetic restoration reverses that logic.
- Lime mortar and lime plaster instead of cement and gypsum
- Breathable mineral paints and limewash instead of plastic emulsions
- Matching stone, brick and timber, sourced and worked to the original detail
- Repair rather than replacement wherever the historic fabric can be saved
The order of a good restoration
Heritage work rewards patience. A considered sequence protects the building and your budget:
- Understand the building — its age, construction and previous alterations
- Make it watertight — roof, gutters and rainwater goods first, always
- Deal with the causes of damp before touching the symptoms
- Repair structure and fabric in traditional materials
- Finish sympathetically, keeping later good additions where they add to the story
The best restoration is the one you cannot see. The aim is a building that looks like it was always cared for, not one that looks new.
Choosing the right contractor
Heritage work is a craft, not a general building job. Ask to see previous restoration projects, check that the team works confidently in lime, and make sure they understand the consent process and will work with your conservation officer rather than around them. A contractor who suggests cement mortar or a chemical damp course on a period building is telling you they should not be on the job.
Frequently asked questions
Can I extend a listed building?
Often yes, with listed building consent and a sensitive design. Extensions usually need to be subordinate to the original and clearly of their own time rather than a pastiche.
Do I need consent to repoint?
If it changes the material or appearance — for example cement over original lime — then yes. Like for like lime repointing may not, but confirm with your authority first.
Are grants available?
Occasional grants exist for significant historic buildings and places of worship. They are competitive, but a good heritage contractor can point you toward the right bodies.
LJS Construction Services carries out sympathetic restoration of period and listed buildings across Kent, working in traditional materials and alongside conservation officers.
Thinking about heritage restoration?
LJS Construction Services carries out heritage restoration across Kent and South London. If you would like honest advice and a clear quotation, we would be glad to help.



