Permitted Development Extensions in Biggleswade

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

• Raised decking exceeding permitted height
• Materials not matching existing dwelling
• Permitted development rights removed by planning condition
• Overlooking concerns from upper floor windows
• Dormer facing road
• Extension covering more than 50% of garden area

Property Types We Advise On in Biggleswade

• Townhouses
• 1930s suburban homes
• New build developments
• Terraced houses
• Properties with outbuildings

Frequently Asked Questions

Can I build an outbuilding in my garden?

Outbuildings may be permitted development if they meet height, location, and usage restrictions.

What is prior approval neighbour consultation?

For larger extensions, councils notify neighbours and assess specific impacts before granting prior approval.

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.

Do permitted development rights expire?

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

Are garden rooms permitted development?

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

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.

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