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Decking and fencing
Decking and fence rules in the UK

Decking and fence rules in the UK

By the Plankley team · Last checked 19 October 2026

Work it out: the decking calculator shows the sum for your own measurements, with every figure editable.

Worked example: Order: 26 boards and 8 joists.

Open the decking calculator

Check with the source. Rules differ between England, Wales, Scotland and Northern Ireland and can change. Follow the official guidance linked on this page, not our summary.

On this page

Fence heights
Raised decks
Boundaries

Fence heights

Raised decks

Boundaries

Related pages

Decking and fencing guides
Fence calculator

Sources

Planning Portal: replace with the specific page; Researcher to verify
GOV.UK: replace with the specific page; Researcher to verify

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Plankley is an independent site with UK calculators for DIY and the trades. Every figure is a planning estimate: check your supplier's or maker's figures before ordering. We don't test products.

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