Appeal 3361083
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Official decision document
The decision, section by section
9 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
construction of single-storey front extension and first floor rear extension, conversion of garage into habitable accommodation and internal alterations, alterations to fenestration and extension of driveway.
Section 02
Decision
The appeal is dismissed.
Section 03
Appeal Procedure
The site visit was undertaken by a representative of the Inspector whose recommendation is set out below and to which the Inspector has had regard before deciding the appeal.
Section 04
Procedural Matters and [name]
In the banner heading above, I have used the amended description of development set out on the appellant’s appeal form and the Council’s decision notice as it more accurately describes the appeal scheme.
The Council’s reason for refusal identifies harm only in regard to the proposed single storey front extension and not the remainder of the appeal scheme. Therefore, I consider the main issues of this appeal to be; • the effect of the proposed single storey front extension on the character and appearance of the area; and • the living conditions of the occupiers of No [address], with particular regard to outlook.
Section 05
Character and Appearance
The site is in a residential area predominantly comprised of two-storey dwellings that share architectural commonalities in terms of their modest forms, flat roofs and external materials. [name] of the [site address] Neighbourhood Plan (2018) (CGNP) identifies this area as being in ‘Character Area 5’. In particular it highlights the similarities between this 1960’s estate with architecture designed by [name] including overhanging flat roofs, vertical tile hanging and horizontal proportions.
The appeal dwelling is positioned at the end of a short terrace of three properties that are similarly characterised by their simple forms, modest proportions and boxy shapes. There are some modest alterations to the front of the terrace, for instance the front entrance and garage door of the appeal dwelling are set flush with the front elevation, rather than set in like the other two dwellings. Nevertheless, the front elevation has a consistent design and clear building line, such that the appeal site contributes positively to the character and appearance of the area.
The proposed single storey front extension would have a significant depth which, when seen in combination with its full width, would have an overly dominant scale. While its external materials, fenestration and flat roof would be reflective of its host, these elements would not sufficiently assimilate the forward projection of the extension beyond the consistent building line of the terrace.
Even though the neighbouring terraces do not form a uniform building line with the appeal terrace, the proposed extension would chiefly be viewed in the immediate context of its host and the appeal terrace. Despite its set back from the front boundary of the site, the open space to the front and sides of the appeal terrace would allow for clear views of the front extension where its large scale would be highly prominent and incongruous within the street scene. In such views, the proposal would not conserve or enhance the Character Area.
My attention is directed to single storey front extensions in the surrounding area, including examples on [address] and Valley Walk. The full details of these schemes are not before me and so I cannot be certain of the context in which they may have received planning permission. Nevertheless, I observed that many of these examples did not appear to be comparable to the appeal scheme in terms of both their depth and width. While some extensions, for instance, had substantial widths, they appeared to have comparably modest depths. Also, some examples were located on terraces with staggered front building lines and were tucked in next to side elevations that projected forward of their host, thus limiting their prominence. As such, these examples do not overcome my specific concerns raised above. Moreover, the presence of unsympathetic development would not justify further harm to the street scene.
I conclude that the proposal would result in harm to the character and appearance of the area. It would be contrary to Policy DM1 and Appendix 2 of the Development Management Policies Local Development Document (2013) ([name]) which seek to protect the character of existing areas of housing and set out that front extensions should not be excessively prominent in the street scene. There would be conflict with the [name] (2011) (CS), specifically Policies CP1 and CP12 which promote buildings of a high enduring design quality and proposals that have regard to the local context. It would also be contrary to Policy CA2 of the CGNP which resists extensions that have an adverse visual effect on the Character Area in which it is located. There would be additional conflict with the National Planning Policy Framework (the Framework) which seeks to ensure development is sympathetic to local character.
Section 06
Living Conditions
The attached neighbour No 71, has a large kitchen window to its front elevation that is close to the shared boundary with the appeal site. The proximity of the proposed front extension would enclose the window to one side. However, it would be of limited height and depth such that it would not appear overly excessive when viewed from the window at No 71. Due to the large size of the window and the open front garden, the kitchen would retain an open aspect. The neighbouring occupiers would thus retain a suitable quality of outlook.
I conclude that the proposed single storey front extension would have an acceptable effect on the living conditions of the occupiers at No 71, with particular regard to outlook. It would accord with Policy DM1 and Appendix 2 of the [name] and Policy CP12 of the CS insofar as they relate to protecting residential amenity. There would be no conflict with the high standard of amenity requirements set out in the Framework.
Section 07
Other Matters
The appellant sought pre-application advice from the Council and the proposed front extension as submitted is unchanged. However, the Planning Practice Guidance (PPG) is clear that pre-application advice cannot pre-empt the democratic decision-making process, or a particular outcome in respect of a formal planning application1. I have found harm with regard to the front extension on the character and appearance of the area for the reasons given, and in doing so, I have concurred with the views of the Planning Committee and Parish Council.
The scheme would provide additional space for home working, as well as improved living accommodation for occupiers of the appeal dwelling. However, these are private benefits to a single household which do not outweigh the identified harm.
I have had regard to other matters raised by interested parties comprising loss of light and privacy from the proposed front and rear extensions. I have not addressed these matters further as they would not be determinative to the outcome of the appeal.
Section 08
Conclusion and Recommendation
For the reasons given above and having had regard to all other matters raised, I recommend that the appeal should be dismissed.
Section 09
Inspector’s Decision
I have considered all of the submitted evidence and my representative’s report and on that basis, 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 2191No official casework-database value to compare
- Extracted decision date · page 1
- 11 June 2025Matches the official casework database
- Extracted site visit dates
- 1 April 2025 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3361083
- Application reference
- 24/1341/FUL
- Lead case reference
- Not recorded
- Planning authority
- Three Rivers District Council
- Planning authority code
- E07000102
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
- Unknown
- 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
- 20 February 2025
- Valid date
- 20 February 2025
- Start date
- 3 March 2025
- Planning authority decision date
- 19 December 2024
- Appeal decision date
- 11 June 2025
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
- 70995
- First seen
- 20 August 2026 at 14:25
- Last seen
- 20 August 2026 at 16:28
- Removed from release
- Not recorded
- Record created
- 20 August 2026 at 14:25
- Record updated
- 24 August 2026 at 16:21