Permitted Development Extensions in Knockholt

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

• Article 4 Direction restrictions
• Extension covering more than 50% of garden area
• Rear extension exceeds permitted projection limits Knockholt
• Listed building restrictions
• Incorrect measurement from original dwelling
• Extension within a conservation area in Knockholt

Property Types We Advise On in Knockholt

• Bungalows
• Townhouses
• Terraced houses
• Detached houses in Knockholt
• Rural properties

Frequently Asked Questions

How high can my extension be?

Height limits vary, but rear extensions under permitted development generally cannot exceed four metres for detached houses or three metres for others.

Can I extend my house in a flood zone?

Extensions in flood risk areas may require additional assessments and possibly planning permission.

Can I add a balcony to my extension?

Balconies and raised platforms are not permitted development and usually require planning permission.

Do permitted development rights expire?

Permitted development rights generally remain unless removed by condition or Article 4 Direction.

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 semi-detached house differently to a detached house?

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

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