Permitted Development Extensions in Chatham

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

• Article 4 Direction restrictions
• Extension within a conservation area in Chatham
• Rear extension exceeds permitted projection limits Chatham
• Overall height above permitted maximum
• Overlooking concerns from upper floor windows
• Extension built beyond original rear wall line

Property Types We Advise On in Chatham

• Properties with outbuildings
• Terraced houses
• 1930s suburban homes
• Properties with previous extensions
• Chalet-style houses

Frequently Asked Questions

How is the original house defined for measurement purposes?

The “original house” refers to the property as it stood on 1 July 1948 or when it was first built, not including later extensions.

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.

How much does a planning application cost?

Fees vary depending on project type and local authority charges.

Are garden rooms permitted development?

Garden rooms may qualify if they meet size and usage limits and are not used as separate accommodation.

Can I remove a chimney without permission?

External alterations may require permission depending on property type and location.

Does permitted development apply to new-build homes?

Some new-build homes have permitted development rights removed by planning condition.

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