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Dismissed4 November 20253366883

Theresa's Cottage, Marden Hill, Hertford, SG14 2NE

Planning appeal 3366883 at Theresa's Cottage, Marden Hill, Hertford, SG14 2NE (East Hertfordshire District Council) was dismissed on 4 November 2025 by Inspector Bowyer J, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the special interest of the Grade II* listed building, 'Marden Hill House, Service Block and Annexe' and any of the features of special architectural or historic interest that it possesses.

‘roof conversion incorporating 3 new conservation rooflights to north elevation and a replacement rooflight to south elevation. Internal alterations to remove first floor partition walls, install new staircase between first floor and second floor, install new first floor and second floor partition walls’

Authority
East Hertfordshire District Council
Appeal type
minor · Planning Appeal
Procedure
Written Representations
Development
residential · Other minor developments
Inspector
Bowyer J
Postcode
SG14 2NE

Main issues, as the Inspector framed them

  • The effect of the proposal on the special interest of the Grade II* listed building, 'Marden Hill House, Service Block and Annexe' and any of the features of special architectural or historic interest that it possesses.

What decided it

The uncertainty over the effects of internal alterations within the attic level relating to removal of beams and provision of services to the bathroom, combined with the inability to determine that any consequent harm would be outweighed by public benefits, meant the proposal failed to preserve the special interest of the Grade II* listed building and lacked clear and convincing justification.

What the Inspector cited

Development plan policies
Policy HA1Policy HA7Policy HOU11Policy DES4
National Planning Policy Framework
Paragraph 11

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

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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.

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.