Permitted Development Extensions in Tonbridge

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

• Overlooking concerns from upper floor windows
• Overall height above permitted maximum
• Article 4 Direction restrictions
• Prior approval required but not obtained
• Listed building restrictions
• Eaves height exceeding 3 metres near boundary

Property Types We Advise On in Tonbridge

• Edge-of-settlement homes
• Homes subject to Article 4 Directions
• Victorian properties
• Properties with previous extensions
• 1930s suburban homes

Frequently Asked Questions

Can I extend my house in a flood zone?

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

Do I need planning permission for a rear extension in Tonbridge?

Many rear extensions fall within permitted development limits, but projection depth, height, and boundary proximity must comply with national rules and any local restrictions.

What is a Lawful Development Certificate?

A Lawful Development Certificate provides formal confirmation from the local authority that your extension complies with permitted development rules.

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

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

What is the maximum size allowed under permitted development?

Size limits depend on property type and location. Detached houses may have larger rear extensions than terraced homes, subject to height and boundary constraints.

Can I extend a flat under permitted development?

Flats and maisonettes generally do not benefit from permitted development rights for extensions.

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