15 Alvista Avenue Burnham Buckinghamshire SL6 0PG Data via plota.co.uk

PL/26/05436/SA - Certificate of Lawful Use - Proposed Approved

Proposal

Certificate of lawfulness for proposed loft conversion to create two x bedroom and one bathroom. Proposed staircase design from first floor to second floor (loft). Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
8 Jul 2026
Approved
3 Sept 2026

Approved on 3 Sept 2026 · Delegated Decision · Last checked 3 Sept 2026

Site constraints 3

Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Slough built-up area; Green belt 80 m away: London.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.

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Important details

Application type
Certificate of Lawful Use - Proposed
Postcode
SL6 0PG
Received
8 Jul 2026
Validated
8 Jul 2026
Ward
Burnham
Parish
Burnham Parish Council
Case officer
Show
Target decision
2 Sept 2026
Decision
Cert of Law PROPOSED-granted
Decision date
3 Sept 2026
Decision level
Delegated Decision
Applicant
Show
Agent
RG Engineers

How this decision compares

Decided in 57 days from validation, about the council's usual 56 days. Approved, as 80% of extensions here are.

64%decided within 8 weeks
80%approved
888decided 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.

Last counted 3 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

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