Jersey Heritage Specialists
Listed Buildings & Listed Properties in Jersey
Owning a listed property in Jersey should be a pleasure, not a paperwork problem. We advise owners of Grade 1 to Grade 4 listed buildings across the Island — from confirming what needs consent, to preparing and managing the applications that get your project approved.
Grading
Listed building grades in Jersey, explained
Your grade sets the level of evidence a listed building consent application needs. Every grade requires consent for works that affect character.
| Grade | Designation | Real-World Policy on Changes | Window / Detail Flexibility |
|---|---|---|---|
| Grade 1 | Exceptional public and heritage interest | More than Island-wide importance. Outstanding examples of a period, style, type or site. Interior and exterior changes are heavily scrutinised; pre-application dialogue is strongly recommended. | Repair is preferred. If replacement is unavoidable, the new window must replicate the original in timber and glazing detail. Some narrow-profile double-glazing may be acceptable only where no historic glass survives. |
| Grade 2 | Special public and heritage interest | Important, high-quality examples. Substantially unaltered buildings, or whose alterations contribute to the special interest. Consent is required for any change affecting character. | Replacement windows must normally match the original material (timber in most cases) and replicate the original joinery and glazing. Double-glazing is only viable where the frame can accommodate narrow-profile units and no historic glass is lost. |
| Grade 3 | Special public and heritage interest | Important, good-quality examples with alterations. Alterations or additions that reduce the special interest may still have elements worthy of Listing. Betterment relative to an existing poor modern window can be a valid justification. | Timber replacements are preferred. Composite materials may be acceptable by exception only when replacing a poor-quality modern (post-1951) PVCu window and the new design replicates the likely historic form. |
| Grade 4 | Special public and heritage interest | Good example defined by external contribution. Designated particularly for exterior characteristics and contribution to townscape, landscape or group value. External appearance is the primary consideration. | Same exception as Grade 3: composite materials may be considered only when replacing a poor modern PVCu window and full betterment is demonstrated. Profiles, proportions and visual weight must match the likely original window. |
Consent
What needs listed building consent
Consent is about character. If the works change how the building looks, what it is made of, or how it is arranged internally where that arrangement matters, consent is likely to be required. The lists below reflect what we deal with day to day rather than a legal test — always confirm your own case before starting.
Normally needs consent
- Replacing windows or doors, or changing their material, profile or opening size
- Removing, altering or covering historic fabric — panelling, beams, staircases, fireplaces, plaster
- Changing the historic plan form by removing or adding internal walls
- Re-roofing in a different material, or adding roof lights, dormers or flues
- Repointing in cement, rendering, painting or cleaning historic stone
- Extensions, outbuildings and changes within the setting of the listed building
Often does not
- Genuine like-for-like repair in matching materials, profiles and detailing
- Redecoration of surfaces that are not themselves of historic interest
- Draught-proofing and repairing existing windows rather than replacing them
- Replacing a modern kitchen or bathroom fitted in recent decades
The Process
How a listed building consent application works
- Step 1
Confirm the listing and grade
We check the Jersey Register of Historic Buildings for the entry covering your property and read what the listing actually protects.
- Step 2
Free site consultation
We look at the fabric on site and tell you honestly what is likely to be acceptable before you commit to a design.
- Step 3
Survey, drawings and reports
Measured survey, condition reporting on the historic elements, CAD elevations and sections, and window or door schedules item by item.
- Step 4
Heritage justification and submission
The heritage impact statement is prepared, the forms completed and the application submitted with the fee paid on your behalf.
- Step 5
Historic Environment Team review
Applications affecting listed buildings are reviewed by the Historic Environment Team and publicly advertised. We answer officer queries directly.
- Step 6
Decision and conditions
We pass the decision notice, approved drawings and conditions to you and your contractor so the works on site match what was permitted.
We normally take three to four weeks from the site survey to submit; larger or more complex applications may take longer where additional specialist reports are required. The Planning Department aims to decide minor applications, including replacement windows and doors, within eight weeks, and major applications within 13 weeks.
Evidence
What makes a listed building application succeed
Refusals are rarely about ambition; they are about evidence. These are the elements that move an application from an intention to a decision an officer can defend.
Element-by-element photographs of the existing windows, doors or fabric, showing decay, previous repairs and what survives of the original.
Measured elevations, plans and sections at proper scale. Officers cannot approve what they cannot read, and vague drawings invite conditions or refusal.
For windows and doors, sectional details showing glazing bar widths, mouldings, sightlines and how the new unit compares with the original.
A written assessment of the building's significance and how the proposals affect it — including the option of doing nothing and why repair alone is or is not viable.
Where timber is beyond repair, evidence of that. Where partial repair is possible, a scheme that repairs what survives and replaces only what cannot be saved.
Referring to comparable decisions on similar properties helps officers place your proposal within established practice on the Island.
You can see the outcome of that approach in our record of approved planning applications, listed by planning reference.
How We Help
Support for owners of listed properties
We confirm whether your property is on the Listed Buildings register, its grade, and precisely which works require consent before you commit to a design.
Written assessments of how proposals affect the significance of a listed property and its setting — the document planners weigh most heavily.
Measured site surveys, condition reports on historic windows, doors and timber, and elevation and sectional CAD drawings prepared to submission standard.
Forms, fees, submission and all correspondence with planning officers, from validation through to determination — so you never chase the process yourself.
Works to a listed building almost always require listed building consent, and larger projects may also need a full planning application. We handle both together so nothing is submitted twice.
Common Questions
Listed property FAQs
- How do I know if my property is a listed building in Jersey?
- Listed buildings and places in Jersey appear on the Jersey Register of Historic Buildings, maintained by the Government of Jersey. If your property is listed, works that affect its character normally need consent. We can check the register for you and confirm the grading during a free site consultation.
- What do the listed building grades mean in Jersey?
- Jersey uses Grades 1 to 4 (plus listed places). Grade 1 buildings are of exceptional importance, while Grade 4 buildings are of local importance. The grading influences how much change is acceptable and the level of supporting evidence your application needs — but every grade requires consent for works affecting character.
- Can I modernise a listed property in Jersey?
- Yes. Internal reconfiguration, insulation, heating upgrades and replacement timber windows and doors are all regularly approved. Success depends on demonstrating that the historic and architectural significance of the building is preserved, which is exactly what a heritage impact statement and accurate drawings set out.
- Do listed properties need consent for repairs and maintenance?
- Like-for-like repair using matching materials is often acceptable without consent, but anything that changes appearance, materials or fabric usually needs listed building consent. It is always cheaper to check first than to resolve unauthorised works later.
- What about replacement windows and doors on a listed property?
- This is the most common enquiry we handle. Applications succeed when supported by condition reports on the existing timber, detailed elevation and sectional drawings of the proposed units, and a clear heritage justification. See the latest States guidance on our news page.
- Does listed building consent cover internal alterations too?
- It can. Where the interior contributes to the building's significance — original staircases, panelling, beams, fireplaces or the historic plan form — removing or altering it needs consent even though nothing changes outside. Later partitions and modern kitchens or bathrooms are usually far less sensitive.
- Can I put double glazing in a listed Jersey property?
- Sometimes. Slim-profile double glazing in new timber units is accepted on some Grade 3 and 4 buildings where the sightlines and glazing bars match the originals; on higher grades secondary glazing behind the existing sash is normally the route that gets approved. Draught-proofing and repairing the original windows often achieves most of the thermal gain either way.
- How long does listed building consent take in Jersey?
- We normally take three to four weeks from the site survey to submit the application; larger or more complex cases may take longer where additional specialist reports are required. The Planning Department then aims to decide minor applications, which includes replacement windows and doors, within eight weeks, and major applications within 13 weeks.
- What happens if works were done to a listed building without consent?
- A retrospective application can regularise them, and it is far better to deal with it early. Unauthorised works to a listed property routinely surface during conveyancing and can hold up a sale.
- Do I need consent for works inside the setting of a listed building?
- Often yes. A new outbuilding, extension or boundary treatment can affect the setting of the listed building even when the building itself is untouched, and that impact is assessed as part of the application.
- Does listing stop me improving thermal performance?
- No, but the route matters. Draught-proofing, repairing existing joinery, secondary glazing, loft and floor insulation and sympathetic heating upgrades are all regularly achievable. The starting point is what can be done without losing historic fabric.
Related Reading
Explore related guidance
More detail on the consents, applications and guidance that apply to listed properties in Jersey.
- Planning application documents in JerseyHow the planning process works and what the department expects to see.
- Jersey services hubAll our Jersey planning and listed building guides in one place.
- Our planning & heritage servicesSite consultations, heritage statements, CAD drawings and maintenance and repairs.
- Approved planning applicationsListed building consents we have secured, by planning reference.
- Planning news & guidanceCurrent guidance on replacement historic windows and doors.
Talk to Us
Advice on your listed property in Jersey
Tell us about your building and we'll explain what is possible and what it takes to get approved. See our recently approved projects for examples of listed building work across the Island.