Stellantis & You Hatfield 1 Great North Road Hatfield AL9 5JA Data via plota.co.uk

Proposal

Alterations to external elevations including painting of existing cladding & shopfronts, installation of new signage and alterations to vehicle parking layout Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
11 Jun 2026
✓
Validated
12 Jun 2026
✓
Approved
18 Sept 2026

Approved on 18 Sept 2026 · Delegated · Last checked 22 Sept 2026

Site constraints 7

Registered park or garden 41 m away: Hatfield House
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 ↗
Also on the record
Local nature reserve 343 m away: Howe Dell; Radon affected area, class 2; Conservation area 86 m away: Old Hatfield; Inside the Hatfield built-up area; Green belt 40 m away: London; Priority habitat 42 m away: Deciduous woodland.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · 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.

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Important details

Application type
ADVERT CONSENT
Postcode
AL9 5JA
Received
11 Jun 2026
Validated
12 Jun 2026
Parish
Hatfield
Case officer
Show
Decision
Granted
Decision date
18 Sept 2026
Decision level
Delegated
Applicant
Show
Freehold owner
Show

How this decision compares

Decided in 98 days from validation, 42 days slower than Welwyn Hatfield's median of 56 for extensions. Approved, as 88% of extensions here are.

68%decided within 8 weeks
88%approved
693decided 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
17 Sept 2026
Welwyn Hatfield
Planning Authority Score
2.1/10
Poor
#272 of 296 councils
Relevant to this application:
Other 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

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Freehold owner and leaseholders: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.