Planning appeal decision
Norfolk Mansions, 108 Streatham High Road, London, SW16 1DE
Planning appeal 3275557 at Norfolk Mansions, 108 Streatham High Road, London, SW16 1DE (London Borough of Lambeth) was allowed on 11 November 2021 by Inspector Pleasant L, by written representations. The main issue, as the Inspector framed it: the effect on the character and appearance of the host property and Streatham High Road and Streatham Hill Conservation Area.
Without planning permission, the erection of a single storey flat roofed extension to the rear of the premises built onto the existing single storey rear flat roofed extension situated to the rear of the premises (“the unauthorised single storey rear extension”)
- Authority
- London Borough of Lambeth
- Appeal type
- enforcement · Enforcement Notice
- Procedure
- Written Representations
- Development
- other · Other minor developments
- Inspector
- Pleasant L
- Postcode
- SW16 1DE
Main issues, as the Inspector framed them
- the effect on the character and appearance of the host property and Streatham High Road and Streatham Hill Conservation Area
- the living conditions of neighbouring residents, with particular regard to outlook
What decided it
The unauthorised extension, being located at the rear of the terrace in an enclosed area not visible to the public realm, does not harm the conservation area's character and appearance, and its single storey height does not adversely affect neighbouring residents' outlook.
What the Inspector cited
- Development plan policies
- Policy Q5Policy Q7Policy Q8Policy Q11Policy Q22Policy Q2Policy D4Policy HC1
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
Town Planner Pro holds this letter. The Appeals plan opens it and every other letter we hold, all of them searchable, with the main issues and what decided each case picked out. We do not show letters on the free site because they carry people’s names and addresses.
With an account
What an account adds to this decision


More decisions in London Borough of Lambeth
The authority’s record since 2016 · every decision in 2021
- Notice upheld2 June 2026337722920 Liston Road, London, SW4 0DF
- Notice upheld2 June 20263366298The Clapham Tap, 128 Clapham Manor Street, London, SW4 6ED
- Notice varied and upheld2 June 202633557094A Templar Street, London, SE5 9JB
- Notice varied and upheld13 May 2026335277144 Amesbury Avenue, London, SW2 3AA
- Notice upheld5 May 2026333418433 Holmewood Road, London, SW4 3RP
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.
®