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Harrow · Front Garden Paving · 2026

Front Garden Paving Planning Permission in Harrow: 2026 Guide

Harrow has relatively low conservation area coverage at 10%, so most streets remain eligible for permitted development when the design stays within national limits. Householder approvals in Harrow run at around 82% with an average decision time of 9 weeks.

Verdict
May be permitted development

A front garden paving in Harrow can often be permitted development when it stays within size and design limits and no local constraint applies to your address. Always confirm at address level.

Planning Constraints in Harrow for Front Garden Paving

Conservation area coverage
10%
Approval rate (Harrow)
82%
Avg. decision time
9 weeks
Article 4 directions
1
Harrow on the Hill conservation area
Metropolitan Open Land and Green Belt
TPOs common on mature suburban streets
Article 4 directions in Harrow
  • HMO Article 4 in specified areas

Permitted Development Rules

Paving the front garden is permitted development provided the hardstanding uses permeable materials, OR if the non-permeable area is under 5m².

  • Permeable paving (gravel, permeable block, permeable concrete) is PD at any size.
  • Non-permeable paving is PD only up to 5m² total.
  • Runoff must not flow onto the public highway.
  • Listed buildings and some conservation areas restrict hard surfacing.
  • Front garden trees with TPOs must be protected during works.

Read the full front garden paving planning guide for the national rules and application process.

Recent Front Garden Paving Decisions in Harrow

The CanUBuild checker surfaces real recent applications close to your address — approvals and refusals — so you can see what the planning officers at Harrow Council have approved for comparable schemes. Nearby precedent is one of the strongest signals for your own chances.

Frequently Asked Questions

Do I need planning permission for a front garden paving in Harrow?

In Harrow, the answer depends on whether your property sits in a conservation area (10% of the borough), is listed, or falls within an Article 4 direction. Most front garden paving proposals are permitted development for houses when they stay within GPDO limits and no local constraint applies. Check your exact address with the CanUBuild checker before spending on drawings.

Can I build a front garden paving in a conservation area in Harrow?

Conservation areas in Harrow typically remove several permitted development freedoms. For a front garden paving, the Larger Home Extension route and some external alterations do not apply, so a full householder application is usually required. Planning officers at Harrow Council assess conservation area proposals against the specific character appraisal for the street.

How long does a front garden paving application take to decide in Harrow?

Harrow Council currently averages around 9 weeks for householder applications. Complex front garden paving proposals — particularly those in conservation areas or on listed buildings — can take longer. Prior approval decisions for Larger Home Extensions are typically issued in 42 days.

Next step

Check your specific address in Harrow

Address-level constraints and recent decisions around the corner. No drawings needed.