Permitted Development Extensions in Penshurst

We provide clear, professional guidance on permitted development extensions in Penshurst 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 Penshurst

• Materials not matching existing dwelling
• Overlooking concerns from upper floor windows
• Incorrect measurement from original dwelling
• Raised decking exceeding permitted height
• Rear extension exceeds permitted projection limits Penshurst
• Roof alteration exceeding permitted cubic volume

Property Types We Advise On in Penshurst

• Homes subject to Article 4 Directions
• Properties with outbuildings
• Chalet-style houses
• Edge-of-settlement homes
• Townhouses

Frequently Asked Questions

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.

How close can I build to my neighbour’s boundary?

Extensions built close to a boundary must meet height and eaves restrictions, especially if within two metres of the boundary.

Can I convert my loft and add a dormer?

Dormer loft conversions are often permitted development within volume limits.

Can I build a wraparound extension without planning permission?

Wraparound extensions often exceed permitted development limits and usually require planning approval.

Can I build over a sewer?

Building near or over a public sewer may require a build-over agreement from the relevant water authority.

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.

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