Written by Sam JonesReviewed by UK Planning Guide Editorial ReviewLast reviewed Reviewed on rolloutSource basis Core planning routes, official baseline sources and the page families most likely to settle the next decision.Verify if Stop and verify when the proposal is close to a limit, affected by special controls or expensive to get wrong.
Planning topic hub

Height Limits

Use this hub when height is the live blocker and you need to know which measurement, project type or local page to open next.

Choose the project type first

Project Types People Usually Pair With This Topic

Project hub

Agricultural Building

Browse guidance on height limits for agricultural building projects, then move into the local pages if needed.

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Project hub

Annexe

Browse guidance on height limits for annexe projects, then move into the local pages if needed.

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Project hub

Basement Conversion

Browse guidance on height limits for basement conversion projects, then move into the local pages if needed.

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Project hub

Change of Use

Browse guidance on height limits for change of use projects, then move into the local pages if needed.

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Project hub

Demolition

Browse guidance on height limits for demolition projects, then move into the local pages if needed.

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Project hub

Dormer Extension

Browse guidance on height limits for dormer extension projects, then move into the local pages if needed.

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Project hub

Driveway

Browse guidance on height limits for driveway projects, then move into the local pages if needed.

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Project hub

Dropped Kerb

Browse guidance on height limits for dropped kerb projects, then move into the local pages if needed.

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Project hub

Fences and Walls

Browse guidance on height limits for fences and walls projects, then move into the local pages if needed.

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Project hub

Garage Conversion

Browse guidance on height limits for garage conversion projects, then move into the local pages if needed.

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Project hub

Garage

Browse guidance on height limits for garage projects, then move into the local pages if needed.

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Project hub

Garden Room

Browse guidance on height limits for garden room projects, then move into the local pages if needed.

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Project hub

Hard Surfacing

Browse guidance on height limits for hard surfacing projects, then move into the local pages if needed.

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Project hub

Heat Pump

Browse guidance on height limits for heat pump projects, then move into the local pages if needed.

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Project hub

HMO

Browse guidance on height limits for hmo projects, then move into the local pages if needed.

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Project hub

House Extension

Browse guidance on height limits for house extension projects, then move into the local pages if needed.

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Project hub

Loft Conversion

Browse guidance on height limits for loft conversion projects, then move into the local pages if needed.

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Project hub

Outbuildings

Browse guidance on height limits for outbuildings projects, then move into the local pages if needed.

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Project hub

Porch

Browse guidance on height limits for porch projects, then move into the local pages if needed.

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Project hub

Rear Extension

Browse guidance on height limits for rear extension projects, then move into the local pages if needed.

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Project hub

Rooflight

Browse guidance on height limits for rooflight projects, then move into the local pages if needed.

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Project hub

Side Extension

Browse guidance on height limits for side extension projects, then move into the local pages if needed.

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Project hub

Single Storey Extension

Browse guidance on height limits for single storey extension projects, then move into the local pages if needed.

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Project hub

Solar Panels

Browse guidance on height limits for solar panels projects, then move into the local pages if needed.

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Project hub

Temporary Building

Browse guidance on height limits for temporary building projects, then move into the local pages if needed.

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Project hub

Two Storey Extension

Browse guidance on height limits for two storey extension projects, then move into the local pages if needed.

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Project hub

Windows and Doors

Browse guidance on height limits for windows and doors projects, then move into the local pages if needed.

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Project hub

Wraparound Extension

Browse guidance on height limits for wraparound extension projects, then move into the local pages if needed.

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Answer-first explanation

What This Topic Usually Changes

What usually applies

This topic usually decides whether the design still feels comfortably within the normal envelope or whether a measured redesign is safer.

What often complicates it

Local designations, site history, measured drawings and the exact project shape often matter more than people expect once this topic is in play.

Best next step

Open the matching project type first, then use the local example pages to see where this topic actually changes the route in practice.

Common use cases

Where Height Limits Usually Shows Up

See it locally

Example Local Rule Pages

Local guide

Agricultural Building in Bedford

Open the main local guide, then use the tool and local planning context to see how height limits may change the answer on the ground.

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Local guide

Agricultural Building in Central Bedfordshire

Open the main local guide, then use the tool and local planning context to see how height limits may change the answer on the ground.

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Local guide

Agricultural Building in Luton

Open the main local guide, then use the tool and local planning context to see how height limits may change the answer on the ground.

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Local guide

Agricultural Building in Bracknell Forest

Open the main local guide, then use the tool and local planning context to see how height limits may change the answer on the ground.

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Local guide

Agricultural Building in Reading

Open the main local guide, then use the tool and local planning context to see how height limits may change the answer on the ground.

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Local guide

Agricultural Building in Slough

Open the main local guide, then use the tool and local planning context to see how height limits may change the answer on the ground.

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Local guide

Agricultural Building in West Berkshire

Open the main local guide, then use the tool and local planning context to see how height limits may change the answer on the ground.

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Local guide

Agricultural Building in Windsor and Maidenhead

Open the main local guide, then use the tool and local planning context to see how height limits may change the answer on the ground.

Open local guide
Method and legal context

Height Limits In The Wider Planning Picture

This topic is shaped by national planning legislation, permitted development rights and local authority interpretation where protected areas or policy constraints apply.

Checking both the national baseline and the local council context gives a more reliable view of whether a project can proceed as planned.

Trust and caveats

How To Use A Topic Hub Properly

Topic hubs exist to isolate the one planning issue that is blocking progress. They are most useful when paired with the matching project guide and the relevant local authority page.

Updated April 2026