Appeal 3305126
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
No verified development description has been extracted from an official decision PDF yet.
Section 02
Decision
The appeal is dismissed.
Section 03
Procedural matters
The proposed development is complete. It appears to have been constructed broadly in accordance with the plans.
Retention is not an act of development under the above Planning Act. I have assessed the appeal as one that seeks planning permission, retrospectively.
The appellant has described the development as in the above heading whereas the Council has additionally referred to replacement windows and doors. From my inspection of the plans, I consider that the Council’s description more fully reflects the development sought. I have assessed the appeal on that basis.
Section 04
Main issues
The main issues are whether the development would preserve or enhance the character or appearance of the [address] Conservation Area and the effect of the proposal on highway safety for users of [address].
Section 05
Character and appearance
The appeal property is a mainly 2-storey detached house on a residential street, along which dwellings vary in scale, type and general appearance. It falls within the [address] Conservation Area (CA), which is predominantly residential in character. The CA derives its significance as a heritage asset primarily from 3 components: what remains of a Victorian residential estate that was originally planned as a grand suburb; several impressive civic buildings; and the attractive mix of housing that dates mainly from the 20th Century. I have paid special attention to the desirability of preserving or enhancing the character or appearance of the CA, as required by section 72(1) of the Planning (Listed Buildings and Conservation Areas) Act 1990.
The Council has recently granted planning permission1 to enlarge and alter the appeal dwelling and states that the scale of the extensions to the side and rear of the main house and at roof level are the same as those previously approved. From the background details provided, I have no reason to reach a different conclusion on this matter. I shall, therefore, focus on those elements of the development that were not part of or which depart from the previously approved schemes, namely the boundary treatment at the front of the site; the external materials used; fenestration; and the detailing in the front façade.
A rendered replacement wall and piers have been introduced along part of the site’s highway frontage. When seen from the road, this boundary feature draws the eye as a prominent, solid and formal structure. It has an imposing presence in the local street scene sharply contrasting with the more low-key and informal front boundaries of properties elsewhere along [address], which largely comprise open forecourts, low-level walls, fences and some planting. Taken together, the existing boundary treatments further along this road provide a visual consistency and contribute to a pleasant informal suburban character. In that context, the new wall and piers are obtrusive and, in my view, are an unwelcome addition to the CA.
From the photograph provided, I agree that the previous boundary wall along the highway frontage of the site added little positively to the character and qualities of the streetscape. However, additional harm cannot be justified on the basis that some harm previously existed.
The submitted design of the main house has been conceived as a single homogenous entity with white and light grey render applied to all sides of the enlarged building. However, the singular use of render and introduction of dark-framed windows, as sought, is at odds with most other buildings along [address]. Whilst variation is a characteristic in the appearance of existing development in the local area, I saw that render is generally applied with restraint and fenestration tends towards subservience. The approved schemes at No 31 retained a pebbledash finish to the front elevation and included white-framed uPVC windows, would have been consistent with this approach. Unlike the permitted schemes, the development has also resulted in the loss of detailing to the front façade including the brick quoins, the hung tiles beneath the first-floor bay window and the detailing to the gable, which remain distinctive features of several other dwellings in the local area.
The combined effects of the development result in a building with a stark, uncharacteristic, outward appearance and a ready focus where none exists elsewhere along [address]. To my mind, the submitted boundary treatment, detailed design and materials do not achieve the stated objective of enhancing the appearance of the dwelling or assimilating well and blending into the surroundings. To the contrary, the development draws the eye and, in my view, is a conspicuous and discordant feature in the CA.
The appellant has referred to several other properties close to the site that have been altered over time and that now include plain white rendered elevations without detailing that was previously in place. The background 1 Refs 01118/31/P3 dated 19 February 2021 and 01118/31/P4 dated 18 March 2021 details of these cases are not before me and so it is unclear whether these changes benefited from the grant of planning permission. While the local area has clearly evolved and significant changes have been made that affect the appearance of other buildings, they do not necessarily set a good example to follow. As the [address] Conservation Area Appraisal points out, the loss of architectural detailing and original materials is one of the threats to the heritage value of the CA.
On the first main issue, I conclude that the development does not preserve or enhance the character and appearance of the CA. Whilst the harm arising is less than substantial, no public benefits from the scheme have been put forward and none would outweigh this harm. The development therefore conflicts with Policies CC1, CC2, CC4 and SC7 of the Local Plan 2015-2030 (LP). These policies seek good design that respects local character and protects heritage assets. There is also a conflict with the National Planning Policy Framework (the Framework) regarding the protection of heritage assets and with the statutory duty.
Section 06
Highway safety
For motorists exiting the site, the visibility of oncoming users of [address] is restricted to one side by the boundary wall and piers that have been put in place along the site’s highway frontage. In those circumstances, it is reasonable to expect that motorists would exit the site slowly and cautiously, as the appellant suggests. Given the presence of the adjacent dropped kerb, it is highly likely that passing footway users would be alert to the possibility that vehicles may emerge from the site. Such an arrangement would be similar to some other properties on [address] where front boundary features partly obstruct the visibility of highway users to some extent. I also saw that the main carriageway at this point is wide and vehicle speeds in the vicinity of No 31 were relatively low.
Taking all these points into account, I am not persuaded that the development poses a significant risk to highway safety. Therefore, I conclude on the second issue that the development does not conflict with LP Policy EC2, which seeks to ensure that development does not adversely impact the transport network. My findings on this matter do not outweigh the significant harm that I have identified with regard to the first main issue.
The Council is also critical of the appeal scheme in seeking to establish a second vehicle access that would enable an ‘in out’ arrangement at the front of No 31. Such an approach would be contrary to the advice in the Council’s Residential Crossovers and Off-Street Parking Policy Supplementary Planning Document (SPD). However, the plans show no change to the existing vehicle access from the road and the appellant has confirmed that the second gap in the frontage wall would be used solely by pedestrians. On that basis, I find no conflict with LP Policy EC2(e) or the SPD in this regard. Therefore, this matter does not weigh against the appeal scheme.
Section 07
Conclusion
Nevertheless, for the reasons set out above, I conclude that the appeal should be 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 287No official casework-database value to compare
- Extracted decision date · page 1
- 29 December 2022Matches the official casework database
- Extracted site visit dates
- 29 November 2022 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3305126
- Application reference
- 01118/31/P6
- Lead case reference
- Not recorded
- Planning authority
- London Borough of Hounslow
- Planning authority code
- E09000018
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
- Yes
- 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
- 13 August 2022
- Valid date
- 13 August 2022
- Start date
- 13 October 2022
- Planning authority decision date
- 20 July 2022
- Appeal decision date
- 29 December 2022
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
- No
- 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
- 25861
- First seen
- 20 August 2026 at 14:24
- Last seen
- 20 August 2026 at 16:26
- Removed from release
- Not recorded
- Record created
- 20 August 2026 at 14:24
- Record updated
- 24 August 2026 at 16:21