49 - 51 High Street Aylesbury Buckinghamshire HP20 1SA Data via plota.co.uk

Proposal

Conversion of existing commercial building to form ground floor retail unit with existing shop front and rear access. New access to rear of property to new lift and staircase to 1 no. 2 bed flat at first floor with 2 no. 1 bed flats at second floor with new roof set back from front of building for 1 no. 2 bed flat Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
1 Jul 2026
✓
Consultation
6 Aug 2026
✓
Approved
16 Oct 2026

Approved on 16 Oct 2026 · Delegated Decision · Last checked 17 Oct 2026

Site constraints 3

Also on the record
Radon affected area, class 3; 4 listed buildings within 150 m; Inside the Aylesbury built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 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 area75 m² (807 sq ft)
Energy ratingE (45 out of 100), could reach D
PropertyDetached flat, 3 habitable rooms
Built1967 to 1975
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2020, 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
HP20 1SB
Received
1 Jul 2026
Validated
1 Jul 2026
Ward
Aylesbury North
Parish
Aylesbury
Case officer
Show
Target decision
26 Aug 2026
Decision
Approved
Decision date
16 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Drawing Office Associates

How this decision compares

Decided in 107 days from validation, 51 days slower than Buckinghamshire's median of 56 for changes of use. Approved, as 76% of changes of use here are.

50%decided within 8 weeks
76%approved
221decided in the last year

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

Public comments

No public comments yet.

8 neighbours consulted · Last counted 17 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Neighbours
3 Jul 2026
Consultation
6 Aug 2026
Comments by
27 Aug 2026
Site or press notice
8 Jul 2026
Statutory expiry
26 Aug 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.