55 Peplins Way Brookmans Park AL9 7UR Data via plota.co.uk

6/2025/2564/FULL - FULL PERMISSION Approved

Proposal

Erection of outbuilding to be sited within extended residential curtilage Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
15 Dec 2025
Approved
17 Apr 2026

Approved on 17 Apr 2026 · Delegated · Last checked 9 Sept 2026

Documents 19

All documents on the council site ↗

Associated applications 2

Site constraints 4

Also on the record
Inside the Brookmans Park built-up area; Green belt 39 m away: London; Priority habitat 24 m away: Deciduous woodland; the 1970s provisional farmland map had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
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
FULL PERMISSION
Postcode
AL9 7UR
Received
15 Dec 2025
Validated
15 Dec 2025
Parish
North Mymms
Case officer
Show
Decision
Granted
Decision date
17 Apr 2026
Decision level
Delegated
Applicant
Show

How this decision compares

Decided in 123 days from validation, 67 days slower than Welwyn Hatfield's median of 56 for extensions. Approved, as 87% of extensions here are.

68%decided within 8 weeks
87%approved
636decided in the last year

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

Public comments

2comments received

2 neighbours consulted · Last counted 9 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
2 Apr 2026
Welwyn Hatfield
Planning Authority Score
2.1/10
Poor
#272 of 296 councils
Relevant to this application:
Householder decisions

Welwyn Hatfield is slower than most councils at deciding householder applications, ranking #224 out of 296. 50% 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%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Welwyn Hatfield decision statistics
Based on MHCLG data, the year to March 2026
86%
Overall approval rate
Below avg (87%) #200 of 296
86%
Householder approved
Below avg (90%) #246 of 296
53%
Decided in 8 weeks
Below avg (63%) #224 of 296
50%
Extended time limit
Above avg (41%) #229 of 296
84%
Minor dwellings approved
63 decided (1-9 homes)
83%
Major dwellings approved
12 decided (10+ homes)
73%
Change of use approved
22 decided
633
Total decisions
87 refused in the year to March 2026