15 and 17 Chapel Lane High Wycombe Buckinghamshire HP12 4BD Data via plota.co.uk

PL/26/08073/FA - Full Application Registered

Proposal

Roof alterations to form front and rear gables, side dormers, increase in eaves and ridge height to form habitable space in the loft area. Raising of existing timber boundary fence. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
around 19 Oct 2026
✓
Consultation
20 Oct 2026
Decision
Expected by 14 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 14 Dec 2026, from Buckinghamshire's recent extensions.

Comments are open until 10 Nov 2026

Comment on this application ↗

Site constraints 11

Registered park or garden 29 m away: West Wycombe Park
Its setting is a consideration for work nearby.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
Habitat network: Wood pasture and parkland
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
National landscape 50 m away: Chilterns
Outside the landscape; its setting can still be raised.
Previously an area of outstanding natural beauty, which is still the designation in law. Since 2023 authorities must seek to further its purpose, not merely have regard to it.
2 listed buildings within 150 m
Nearest: Chapel House and Group of Cottages to South, Grade II, 48 m away · 2 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 2 with distances
Historic England ↗
Also on the record
Conservation area 28 m away: West Wycombe; Radon affected area, class 2; Inside the High Wycombe built-up area; Green belt 28 m away: London; Tree preservation order 26 m away; Air quality management area 58 m away: AQMA No.2 (High Wycombe); Priority habitat 41 m away: Deciduous woodland.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 20 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Building

Floor area92 m² (990 sq ft)
Energy ratingD (66 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1967 to 1975
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in February 2017, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Full Application
Postcode
HP12 4BD
Received
around 19 Oct 2026
Validated
19 Oct 2026
Ward
Sands
Parish
High Wycombe Unparished Area
Case officer
Show
Target decision
14 Dec 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Jackson Property Consultancy Limited

Decision outlook

Day 9 of the 56-day target. Buckinghamshire usually decides extensions by day 56.

Day 947 days to the 56-day target
54%decided within 8 weeks
83%approved
2,231decided in the last year

Plota live figures for extensions decided by Buckinghamshire in the last twelve months, from validation. Buckinghamshire decision record →

Public comments

No public comments yet.

8 neighbours consulted · Last counted 27 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Neighbours
20 Oct 2026
Consultation
20 Oct 2026
Comments by
10 Nov 2026
Statutory expiry
14 Dec 2026
Env. assessment
No
Buckinghamshire
Planning Authority Score
1.3/10
Poor
#284 of 296 councils
Relevant to this application:
Householder decisions

Buckinghamshire is one of the slowest councils in England for householder decisions, ranking #280 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (86%) than the national average (90%).

Among the slowest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Buckinghamshire decision statistics
Based on MHCLG data, the year to March 2026
84%
Overall approval rate
Below avg (87%) #217 of 296
86%
Householder approved
Below avg (90%) #241 of 296
34%
Decided in 8 weeks
Below avg (63%) #280 of 296
55%
Extended time limit
Above avg (41%) #248 of 296
76%
Minor dwellings approved
491 decided (1-9 homes)
82%
Major dwellings approved
71 decided (10+ homes)
82%
Change of use approved
131 decided
4,446
Total decisions
690 refused in the year to March 2026

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.