Permitted Development Extensions in Dartford

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

• Article 4 Direction restrictions
• Overall height above permitted maximum
• Raised decking exceeding permitted height
• Dormer facing road
• Materials not matching existing dwelling
• Roof alteration exceeding permitted cubic volume

Property Types We Advise On in Dartford

• Corner plot homes
• Victorian properties
• Chalet-style houses
• Rural properties
• Edge-of-settlement homes

Frequently Asked Questions

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.

Are side extensions allowed under permitted development?

Side extensions are permitted in some cases, but must not exceed half the width of the original house and must meet height limits.

Does permitted development apply to HMOs?

Some permitted development rights may be restricted depending on property use class.

Will permitted development rules change?

Planning legislation can change over time, so it is important to check current regulations.

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.

Do I need prior approval for a larger extension?

In some cases, larger home extensions require a prior approval process where neighbours are notified and the council assesses certain impacts.

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