Planning appeal decision
12 Langham Gardens, Edgware, HA8 9EG
Planning appeal 3261298 at 12 Langham Gardens, Edgware, HA8 9EG (London Borough of Barnet) was dismissed on 16 August 2021 by Inspector Troy D, by written representations. The main issue, as the Inspector framed it: The effect of the development on the character and appearance of the host property and the area, including the Watling Estate Conservation Area.
a roof extension involving rear dormer window (Retrospective Application). Alterations to front hip roof including insertion of 1no conservation skylight
- Authority
- London Borough of Barnet
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Troy D
- Postcode
- HA8 9EG
Main issues, as the Inspector framed them
- The effect of the development on the character and appearance of the host property and the area, including the Watling Estate Conservation Area
What decided it
The gabled roof extension and rear dormer, by virtue of their scale, siting and design, would fail to preserve or enhance the conservation area and cause less than substantial harm that was not outweighed by the modest public benefits of additional accommodation.
The less than substantial harm to the character and appearance of the conservation area was not outweighed by the public benefits of providing additional living accommodation and securing the property's optimum viable use.
What the Inspector cited
- Development plan policies
- Policy DM01Policy DM06Policy CS1Policy CS5
- National Planning Policy Framework
- Paragraph 196
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.
See how each was appliedThe decision letter
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With an account
What an account adds to this decision


More decisions in London Borough of Barnet
The authority’s record since 2016 · every decision in 2021
- Notice varied and upheld29 September 2026335964435 Hillview Gardens, London, NW4 2JJ
- Allowed10 September 2026600040541 Brent Park Road, London, NW4 3HN
- Notice upheld28 August 2026336160153 Essex Park, London, N3 1ND
- Notice varied and upheld27 August 2026336134827 Dale Grove, London, N12 8EE
- Notice upheld26 August 2026337608848 Oldberry Road, Edgware, HA8 9DB
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.
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