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

• Materials not matching existing dwelling
• Permitted development rights removed by planning condition
• Overlooking concerns from upper floor windows
• Incorrect measurement from original dwelling
• Extension built beyond original rear wall line
• Extension within a conservation area in Tonbridge

Property Types We Advise On in Tonbridge

• Rural properties
• Victorian properties
• Homes subject to Article 4 Directions
• Properties with previous extensions
• Properties within conservation areas

Frequently Asked Questions

How much does a planning application cost?

Fees vary depending on project type and local authority charges.

Can I build over a sewer?

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

Does permitted development apply to HMOs?

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

What measurements are used for height?

Height is typically measured from the highest ground level adjacent to the building.

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 garden rooms permitted development?

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

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.