Appeal 3327383
Public case and site metadata stored from the official casework database, including fields that were empty in the source release.
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Official decision document
The decision, section by section
7 sections
Read the development description and the Inspector’s text from the official decision PDF in source order. Source headings are retained where available. Personal and contact details are removed by an automated privacy filter; this is source material, not Rules for You analysis.
Section 01
Development description
a loft conversion with front and rear dormers.
Section 02
Decision
The appeal is dismissed.
Section 03
Preliminary Matters
During the appeal, a new version of the National Planning Policy Framework (the Framework) came into effect. However, as the Framework’s policy content insofar as it relates to the main issues has not been significantly changed there is no requirement for me to seek further submissions on this latest version. I am satisfied no party would be prejudiced by determining the appeal accordingly.
Section 04
Main Issue
The main issue is the effect of the proposed development on the character and appearance of the area.
Section 05
Reasons
The appeal property comprises a detached, two-storey dwelling set back from [address] located in a row of properties of a similar scale, plot size and relationship to the highway. Limited uniformity of design or use of architectural detailing and features are present in the street scene, although some similarities in roofscape exist. This includes dwellings with a roofline that sweeps down from the ridge to below the first-floor level. However, this is not a feature of the appeal property.
The appeal scheme comprises dormer windows to the front and back roofscapes. The front dormer would be located centrally within the roofscape and not in alignment with either the first-floor windows or the spaces between them. Furthermore, the spacing between the dormer and the proposed roof lights would not be equal. This would have an unbalancing effect on the front elevation of the host property, to the detriment of the character and appearance of the dwelling and the street scene.
[name] observed a few dormer windows on the front elevations of other properties within the street scene, including [address], these comprised unobtrusive features with a balanced relationship to the host building’s roofscape and fenestration positioning. Their presence neither dominates nor represents an original feature of the street scene. Therefore, regardless of the changes made to the proposed dormer window size and roof design from the refused planning application1, the introduction of the proposed front dormer would be an incongruous feature in the street scene.
In the wider area, my attention was drawn to the front dormers of the properties of [address] and [address]. Although varied in scale and design, nevertheless these dormers are also unobtrusive features in the roofscape and either centrally positioned or aligned with the spacing of the windows in the floor below.
I conclude that the proposed development would harm the character and appearance of the area, contrary to Policy CS22 of the Core Strategy2 and Policy SADM30 of the SADMP3. These policies, amongst other things, require development to result in a high quality of design which makes a positive contribution to the built environment and recognises the local character of the area. It also conflicts with the Design Guide4 which resists dormers within the front roof face unless they are a dominant or original feature of the street scene and Chapter 12 of the Framework which requires development to be visually attractive and add to the overall quality of the area.
The Council refer to Policy SP1 on the decision notice. However, as this relates to development contributing to delivering the spatial vision of the area by prioritising the efficient use of brownfield land and focusing development on existing built-up areas, it is not determinative in this case.
Section 06
Other Matters
A Grade II Listed Building known as Tiverton and the [address] Conservation Area (the DLCA) are located on the other side of [address] from the site. Therefore, I am required by Sections 66(1) and 72(1) of the Planning (Listed Buildings and Conservation Areas) Act 1990 (the Act) to pay special attention to the desirability of preserving or enhancing the character or appearance of the DLCA and preserving the setting of the listed building.
Tiverton is one of five houses designed by [name] and one of a group of individual yet well-designed buildings that form part of the early layout of the [site address] Garden Estate5, now known as the DLCA. The significance of the DLCA, and the special interest of Tiverton, is derived from the architectural detailing present and the garden estate pattern of development.
Between the appeal property, Tiverton and the DLCA, generous front gardens, verges, pavements and the carriageway are located. Substantial mature trees positioned to the front of Tiverton limit the visual relationship between the listed building and the appeal property. Therefore, the physical and visual 1 Council ref: 22/1783/HSE 2 Development Plan Document Core Strategy (the [name]) 3 Site Allocations and Development Management Policies Plan (the SADMP) 4 Planning and [name]: Guidelines for [name] and Alterations Supplementary Planning Document (the [name]) 5 Proposal for the Designation of [address] west Conservation Area, [site address] relationship between the appeal property and the heritage assets means the proposed development would preserve the setting of both the DLCA and the listed building.
Section 07
Conclusion
The proposed development would conflict with the development plan as a whole and there are no material considerations, either individually or in combination, that outweigh the identified harm and associated development plan conflict. Therefore, the appeal is dismissed.
Planning inspector and document dates
The official casework attribution is grouped under a one-way keyed hash and shown only by its local identifier. Decision-letter dates and page references are extracted by fixed first-page rules and checked against that authoritative record.
Appeal Decision
- Extracted inspector · page 1
- Inspector attribution ID 3913No official casework-database value to compare
- Extracted decision date · page 1
- 8 January 2024Matches the official casework database
- Extracted site visit dates
- 11 December 2023 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3327383
- Application reference
- 23/0520/HSE
- Lead case reference
- Not recorded
- Planning authority
- Hertsmere Borough Council
- Planning authority code
- E07000098
Casework details
The casework, procedure, development and linking details supplied by the official record.
- Casework type
- Householder (HAS)
- Procedure
- Written Representations
- Development type
- Householder developments
- Appeal type reason
- 1. Refused planning permission
- Appeal reason
- Refusal
- Type detail
- Planning Appeals - Full
- Jurisdiction
- Transferred
- Link status
- Not Linked
Site and development
Published appeal-site measurements and planning designations, without the withheld precise location fields.
- Site area
- Not recorded
- Floor space
- Not recorded
- Number of residences
- 0
- Site in Green Belt
- No
- Agricultural holding
- No
- Affects setting of a listed building
- Not recorded
- Historic building grant made
- Not recorded
- Relates to a conservation area
- Not recorded
- Flooding is an issue
- Not recorded
- Site within an AONB
- Not recorded
- Site within an SSSI
- Not recorded
Decision and dates
The published outcome and every imported case date.
- Official decision
- Dismissed
- Decision category
- Dismissed
- Received date
- 7 August 2023
- Valid date
- 5 October 2023
- Start date
- 25 October 2023
- Planning authority decision date
- 19 July 2023
- Appeal decision date
- 8 January 2024
Case administration
Published recovery, call-in, costs and enforcement information for this case.
- Redetermined
- No
- Bespoke
- No
- Date recovered
- Not recorded
- Date not recovered or derecovered
- Not recorded
- Call-in date
- Not recorded
- Costs applied for
- Not recorded
- Enforcement grounds count
- Not recorded
- Enforcement grounds
- Not recorded
Source and catalogue history
When this record appeared in the rolling official release and when the catalogue stored it.
- Source
- Planning Inspectorate casework database
- Source data system
- Horizon
- Dataset status
- Current release
- Catalogue record ID
- 44467
- First seen
- 20 August 2026 at 14:24
- Last seen
- 20 August 2026 at 16:27
- Removed from release
- Not recorded
- Record created
- 20 August 2026 at 14:24
- Record updated
- 24 August 2026 at 16:21