18 Briary Wood Lane Welwyn AL6 0TF Data via plota.co.uk

6/2026/1376/HOUSE - HOUSEHOLDER APPLICATION Pending

Proposal

Erection of a single storey ground floor extension & part two storey rear, raising the roof and alterations to facilitate loft conversion to include new crown roof with front & rear dormers Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
4 Aug 2026
Validated
6 Aug 2026
Decision
Expected by 1 Oct 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 1 Oct 2026, from Welwyn Hatfield's recent extensions. The consultation period closed on 9 Sept 2026.

Site constraints 4

Local nature reserve 69 m away: Mardley Heath
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
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 Woolmer Green built-up area; Green belt 69 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
HOUSEHOLDER APPLICATION
Postcode
AL6 0TF
Received
4 Aug 2026
Validated
6 Aug 2026
Parish
Welwyn
Case officer
Show
Decision level
Delegated
Applicant
Show

Decision outlook

Day 39 of the 56-day target. Welwyn Hatfield usually decides extensions by day 56.

Day 3917 days to the 56-day target
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 →

Consultation & key dates

Comments by
9 Sept 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