Do you need planning permission for commercial air conditioning?

With the UK’s unpredictable weather bringing both heat waves and chilly spells, commercial air conditioning units are becoming a must-have for businesses looking to keep staff and customers comfortable all year round.

But before installation begins, one key question often arises: Do you need planning permission for commercial air conditioning units?

Whether fitting a system on a flat roof, upgrading an older unit, or operating in a conservation area, knowing the rules can save you from costly delays and compliance issues.

Frequently asked questions

Do I need planning permission for a commercial air conditioning unit?

Yes, especially if it’s visible, noisy, on a flat roof, or in a conservation area or listed building.

What are the rules for installing commercial air conditioning units?

Units must meet noise, visibility, size, and location requirements under local planning regulations or permitted development rights.

Are there exemptions for small commercial air conditioning units?

Small units may qualify for permitted development if they meet noise, size, and placement criteria in non-sensitive locations.

How do I apply for planning permission for an air-con unit?

You must apply site plans, noise assessments, and specifications to your local planning authority for review and approval.

What are the fees for a planning permission application?

Commercial planning application fees in the UK typically range from £120 to £500, depending on project scale and location.

Can I install an air conditioning unit on a listed building?

Only with Listed Building Consent and planning permission due to historic preservation regulations and architectural impact considerations.

Do I need permission to replace an existing air-con unit?

You need permission if the new unit differs in size, position, or noise output, especially in sensitive areas like conservation zones.

Can my local council refuse planning permission for an air-con unit?

Yes, if the unit causes noise pollution, affects building appearance, or violates conservation or residential protection rules.

How long does it take to get planning permission for an air-con unit?

It takes 8 weeks, though it may take longer for listed buildings, appeals, or complex commercial sites needing additional reviews.