What work can you do to a listed building without Listed Building Consent?
- Mar 4
- 3 min read

Owners of historic buildings often worry about one central question: what work can be carried out without permission?
The rules surrounding listed buildings can appear complicated, but the basic principle is fairly simple. If work affects the character of a listed building as a building of special architectural or historic interest, Listed Building Consent is usually required.
This applies to all listed buildings, whether they are Grade I, Grade II or Grade II*. The difference between the grades reflects the level of historic significance, but the legal protection is broadly similar.
Understanding what usually requires consent, and what normally does not, can help owners maintain their buildings responsibly.
Understanding the grades of listed buildings
In England, listed buildings fall into three categories.
Grade I buildings are of exceptional interest and represent a very small proportion of the total listed stock.
Grade II* buildings are particularly important buildings of more than special interest.
Grade II buildings make up the majority of listings and include many historic houses, farm buildings and cottages.
Although the grades indicate different levels of significance, the law protecting them is largely the same. Work that alters the building’s character may require Listed Building Consent regardless of grade.
Work that normally does not require consent
Routine maintenance and like-for-like repair usually does not require Listed Building Consent.
Typical examples include:
• repainting previously painted surfaces• minor repairs to gutters or downpipes• repairing existing windows without altering their design• replacing broken roof tiles with matching tiles• maintaining drainage or rainwater goods
These activities are generally considered normal maintenance.
Work that usually requires Listed Building Consent
Examples commonly requiring consent include:
• replacing historic windows or doors• altering roof structures• removing internal walls• installing new openings in historic walls• changing external materials• installing dormer windows or extensions
Even internal work can require consent if it affects the building’s historic character.
When planning permission may also be needed
Listed Building Consent and planning permission are separate approvals.
Planning permission is normally required when work affects the external appearance or size of the building, such as:
• extensions• major roof alterations• new outbuildings
Many listed building projects require both permissions.
Unlisted heritage assets
Not all historic buildings are listed. Some properties are recognised as non-designated heritage assets or lie within conservation areas.
These buildings do not require Listed Building Consent, but planning authorities may still take their historic value into account when assessing planning applications.
Conservation officer expectations
Conservation officers usually look for
• minimum intervention
• reversibility of alterations
• appropriate traditional materials
Applications that follow these principles are usually easier to support.
Health and safety considerations
Working on historic buildings can involve unstable materials, hidden voids or deteriorated timber. Safe access equipment, protective clothing and careful supervision are essential.
Older buildings may also contain hazardous materials such as asbestos introduced during later alterations.
Environmental considerations
Historic buildings contain a large amount of embodied energy. Repairing and maintaining them avoids the environmental cost of demolition and rebuilding.
Using traditional materials and retaining existing fabric is usually the most sustainable approach.
The Longnor Heritage approach
At Longnor Heritage we view consent as a framework for protecting historic buildings while allowing them to remain usable.
With careful planning and good communication with conservation officers, most repair and improvement work can proceed smoothly while respecting the building’s historic character.



