Permitted Development Extensions in Brentry

We provide clear, professional guidance on permitted development extensions in Brentry and surrounding areas. Whether you’re planning a rear, side, or two-storey extension, understanding local planning constraints and national permitted development limits is essential before work begins.

Common Permitted Development Issues in Brentry

• Overall height above permitted maximum
• Dormer facing road
• Outbuilding positioned forward of principal elevation
• Side extension exceeds half the width of the original house
• Extension within a conservation area in Brentry
• Rear extension exceeds permitted projection limits Brentry

Property Types We Advise On in Brentry

• Homes subject to Article 4 Directions
• Detached houses in Brentry
• Edge-of-settlement homes
• Semi-detached houses
• Terraced houses

Frequently Asked Questions

What is the maximum rear projection allowed?

Detached houses may extend up to four metres under standard rules, or eight metres with prior approval. Smaller limits apply to other house types.

Can I extend a listed building?

Listed buildings require listed building consent, even for minor works. Permitted development rights typically do not apply.

Can I extend a semi-detached house differently to a detached house?

Yes, size limits and projection distances differ depending on property type.

Can I add bi-fold doors to my extension?

Yes, provided the extension itself complies with permitted development rules and glazing requirements meet building regulations standards.

What is retrospective planning permission?

Retrospective applications seek approval for work already carried out.

Can I convert my loft and add a dormer?

Dormer loft conversions are often permitted development within volume limits.

If you're planning an extension in Brentry and want to confirm whether it qualifies under permitted development rules, request a free assessment today and get clarity before you build.