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Planning appeal decision

Dismissed9 June 20233310847

18 Mortimer Street, Basement And Ground Floor Maisonette, LONDON, W1T 3JN

The proposal is to make environmental improvements at 18 Mortimer Street. It is important to understand that the Council does grant planning permission as the heat loss reduction achieved, does meet the Council’s aim of improving environmental performance, at ground floor, 18 Mortimer Street, W1T 3JN, located in a conservation area, by the installation of energy efficient double glazing in aluminium mullions from floor to ceiling to replace and upgrade the existing thermally non-compliant single glass in internal metal mullions from floor to ceiling

Authority
City of Westminster Council
Appeal type
minor · Planning Appeal
Procedure
Written Representations
Development
other · Other minor developments
Inspector
Robbie K

Main issues, as the Inspector framed them

  • Whether the proposed development would preserve or enhance the character or appearance of the East Marylebone Conservation Area

What decided it

The public and private benefits of improved thermal efficiency and easier maintenance are insufficient to outweigh the less than substantial harm to the character and appearance of the conservation area caused by the unsympathetic replacement shopfront design.

Framework references: 197, 202

Plan policies cited: Policy 38, Policy 39, Policy 40, Policy PR1, Policy B2

The main issues and the deciding factor are read from the published letter by Town Planner Pro; the letter itself is the record. Contains public sector information licensed under the Open Government Licence v3.0. Research, not advice.

In the app this decision sits on the map beside every other appeal around it, with the full reasoning summary, the letter held on file, and the case law it applies.