6 West View Hatfield AL10 0PJ Data via plota.co.uk

6/2026/1496/LAWP - LAWFUL DEVELOPMENT - PROPOSED Refused

Proposal

Certificate of lawfulness for erection of single storey rear extension, side and rear extension, hip to gable loft conversion with rear dormer Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
25 Aug 2026
✗
Refused
20 Oct 2026
Appeal
Not lodged

Refused on 20 Oct 2026 · Delegated · Last checked 26 Oct 2026

Documents 27

Plans & drawings 22

PDF EX - EL - 001 Existing Front Elevation.pdf (982 kb) Document · 26 Aug 2026 View ↗ PDF EX - EL - 002 Exisitng Rear Elevation.pdf (876 kb) Document · 26 Aug 2026 View ↗ PDF EX - EL - 003 Existing Side Elevation 1.pdf (990 kb) Document · 26 Aug 2026 View ↗ PDF EX - EL - 004 Existing Side Elevation 2.pdf (1138 kb) Document · 26 Aug 2026 View ↗ PDF PR2- EL - 004 Proposed Side Elevation 1.pdf (1261 kb) Document · 26 Aug 2026 View ↗ PDF PR2- EL - 004 Proposed Side Elevation 2.pdf (1417 kb) Document · 26 Aug 2026 View ↗ PDF PR2- EL - 001 Proposed Front Elevation.pdf (1314 kb) Document · 26 Aug 2026 View ↗ PDF PR2- EL - 002 Proposed Rear Elevation.pdf (1303 kb) Document · 26 Aug 2026 View ↗ PDF EX - PL - 001 Existing Ground Floor Plan.pdf (830 kb) Document · 26 Aug 2026 View ↗ PDF EX - PL - 003 Existing Loft Plan.pdf (846 kb) Document · 26 Aug 2026 View ↗ PDF EX - PL - 002 Existing First Floor Plan.pdf (790 kb) Document · 26 Aug 2026 View ↗ PDF PR2- PL - 003 Proposed Loft Floor Plan.pdf (1446 kb) Document · 26 Aug 2026 View ↗ PDF PR2 - PL - 001 Proposed Ground Floor Plan.pdf (1591 kb) Document · 26 Aug 2026 View ↗ PDF PR2- PL - 002 Proposed First Floor Plan.pdf (1416 kb) Document · 26 Aug 2026 View ↗ PDF EX - LP - 001 Existing Location Plan.pdf (903 kb) Document · 26 Aug 2026 View ↗ PDF PR2- LP - 001 Location Plan.pdf (1406 kb) Document · 26 Aug 2026 View ↗ PDF EX - SE - 002 Existing Section BB.pdf (911 kb) Document · 26 Aug 2026 View ↗ PDF EX - SE - 001 Existing Section AA.pdf (1012 kb) Document · 26 Aug 2026 View ↗ PDF PR2- SE - 001 Proposed Section AA.pdf (1224 kb) Document · 26 Aug 2026 View ↗ PDF PR2- SE- 002 Proposed Section BB.pdf (1143 kb) Document · 26 Aug 2026 View ↗ PDF EX - PL - 004 Existing Roof Plan.pdf (844 kb) Document · 26 Aug 2026 View ↗ PDF PR2 - PL - 001 Proposed Roof Plan.pdf (1482 kb) Document · 26 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 1

Also on the record
Inside the Hatfield built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 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.

Sales history 1

Last sold for £100,000 in October 1995. Detached house, freehold.

4 October 1995£100,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area155 m² (1,668 sq ft)
Energy ratingD (68 out of 100), could reach C
PropertySemi-detached house, 6 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in November 2025, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
LAWFUL DEVELOPMENT - PROPOSED
Postcode
AL10 0PJ
Received
25 Aug 2026
Validated
25 Aug 2026
Parish
Hatfield
Case officer
Show
Decision
Refused
Decision date
20 Oct 2026
Decision level
Delegated
Applicant
Show

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Refused, as 12% 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
8 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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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

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.