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Planning appeal decision

Dismissed1 December 20253373147

35 Mersea Avenue, Colchester, Essex, CO5 8JL

Planning appeal 3373147 at 35 Mersea Avenue, Colchester, Essex, CO5 8JL (Colchester Borough Council) was dismissed on 1 December 2025 by Inspector Kemmann-Lane T, by written representations. The main issue, as the Inspector framed it: The effect of the proposed extension on the appearance and character of the existing dwelling and on the streetscene.

a 2 storey side extension to provide additional bedrooms at first floor level

Authority
Colchester Borough Council
Appeal type
householder · Householder (HAS)
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Kemmann-Lane T
Postcode
CO5 8JL

Main issues, as the Inspector framed them

  • The effect of the proposed extension on the appearance and character of the existing dwelling and on the streetscene

What decided it

The proposed extension would have a harmful effect on the appearance and character of the existing dwelling and its attached neighbour, damaging the immediate streetscene through poor design that is incompatible with the semi-detached pair's existing form.

What the Inspector cited

Development plan policies
SP7DM15DM13
National Planning Policy Framework
Paragraph 131

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 applied

The decision letter

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More decisions in Colchester City Council

The authority’s record since 2016 · every decision in 2025

  1. Dismissed19 October 20266009296
    Land West of Priory Road, Tiptree, Colchester, CO5 0QE
  2. Allowed8 October 20266009395
    Land North of Coggeshall Road, Marks Tey, Colchester, CO6 1LT
  3. Dismissed2 October 20266005014
    7 East Mersea Road, West Mersea, CO5 8SL
  4. Dismissed2 October 20266005011
    7 East Mersea Road, West Mersea, CO5 8SL
  5. Allowed24 September 20266009382
    Land at Colchester Rd, Colchester, CO6 3JX

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.

In the app this decision sits on the map beside every appeal around it, with its letter to read and the main issues, policies and judgments cited picked out.