Former National Grid Site, Marsh Lane, Stanmore, HA7 2SN

Planning appeal 6005822 at Former National Grid Site, Marsh Lane, Stanmore, HA7 2SN (London Borough of Harrow) was dismissed on 30 September 2026, following an inquiry. The main issue, as the Inspector framed it: whether the site is in an appropriate location for the proposed use in relation to the impact on town centres including consideration of national retail policies.

the construction of a new food retail store, comprising the erection of a part one and two storey building of Class E(a) floorspace, including a warehouse, ancillary staff facilities, access, car and cycle parking, landscaping and associated works

Authority: London Borough of Harrow
Appeal type: Planning
Procedure: Inquiry
Development: retail
Postcode: HA7 2SN

Main issues, as the Inspector framed them

whether the site is in an appropriate location for the proposed use in relation to the impact on town centres including consideration of national retail policies
whether the use is appropriate for the site in terms of the Borough's economy
the effect of the proposed level of car parking
whether the proposal does or does not optimise the efficient use/development of the site

What decided it

The evidence on whether the Anmer Lodge site could still deliver food retail floorspace was conflicting, so the sequential test had not been fully explored and the proposal conflicted with Policy LE1 and the development plan.

the significant benefits of the proposal, including job creation, biodiversity net gain, an energy efficient building and brownfield reuse, did not warrant a decision other than that in accordance with the Development Plan, which the conflict with Policy LE1 meant warranted substantial weight

What the Inspector cited

Development plan policies: Policy LE1Policy LE3Policy D3Policy O1Policy GR1Policy E4Policy M1Policy M2Policy T1Policy T2Policy T4Policy T6Policy T6.3
National Planning Policy Framework: Policy TC3Policy TC4Policy TR1Policy TR2Policy TR3Policy TR4Policy L2Policy L3Policy PM1Policy E2Policy S3Policy S4

How the Inspector dealt with each one is set out in the app, in order: the development plan, national policy, housing land supply, other considerations and the planning balance, beside the letter.

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The decision letter

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The main issues, what decided it, the planning balance and the policies and judgments listed as cited are read from the published letter by Town Planner Pro and are our summary, not the Inspector’s words; the letter itself is the record. Contains public sector information licensed under the Open Government Licence v3.0. Research, not advice.