73 Mymms Drive Brookmans Park AL9 7AA Data via plota.co.uk

6/2026/0525/FULL - FULL PERMISSION Refused

Proposal

Erection of a new dwelling following demolition of the existing building Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
23 Mar 2026
Validated
13 Apr 2026
Refused
21 Aug 2026
Appeal
Not lodged

Refused on 21 Aug 2026 · Delegated · Last checked 8 Sept 2026

Documents 46

Other documents 23

PDF landscape proposedV10.pdf (1697 kb) Document · 4 Aug 2026 View ↗ PDF Urgent Review Request_Redacted(1).pdf (225 kb) Document · 30 Jul 2026 View ↗ PDF 6_2026_0525_FULL 73 Mymms Drive Brookmans Park AL9 7AA_Redacted.pdf (235 kb) Document · 29 Jul 2026 View ↗ PDF 73 Mymms Drive-04 proposed.pdf (1083 kb) Document · 22 Jul 2026 View ↗ PDF 73 Mymms Drive-08 materials.pdf (1208 kb) Document · 22 Jul 2026 View ↗ PDF 73 Mymms Drive-06 exts scene.pdf (255 kb) Document · 22 Jul 2026 View ↗ PDF 73 Mymms Drive-07 prop scene.pdf (537 kb) Document · 22 Jul 2026 View ↗ PDF 73 Mymms Drive CMP.pdf (865 kb) Document · 22 Jul 2026 View ↗ PDF WK158436 - 73 Mymms Drive.pdf (72 kb) Document · 30 Apr 2026 View ↗ PDF Email-6_2026_0525_FULL 73 Mymms Drive Brookmans Park AL9 7AA (1).pdf (166 kb) Document · 21 Apr 2026 View ↗ PDF Site Notice_620260525FULL.pdf (114 kb) Document · 14 Apr 2026 View ↗ PDF ApplicationFormRedacted(1).pdf (433 kb) Document · 13 Apr 2026 View ↗ PDF 73 Mymms Drive-05 existing.pdf (271 kb) Document · 13 Apr 2026 View ↗ IMG 10 - Rear Dormer.jpg (3023 kb) Document · 13 Apr 2026 View ↗ IMG 1.jpg (2993 kb) Document · 13 Apr 2026 View ↗ IMG 5.jpg (1319 kb) Document · 13 Apr 2026 View ↗ IMG 7 - Front.jpg (1493 kb) Document · 13 Apr 2026 View ↗ PDF 73 mymms drive Character Analysis and Appraisal.pdf (179 kb) Document · 25 Mar 2026 View ↗ PDF PRA_Redacted.pdf (804 kb) Document · 25 Mar 2026 View ↗ PDF 73 Mymms Drive-04 proposed.pdf (1090 kb) Document · 25 Mar 2026 View ↗ PDF 73 Mymms Drive-06 exts scene.pdf (266 kb) Document · 25 Mar 2026 View ↗ PDF 73 Mymms Drive-07 prop scene.pdf (1393 kb) Document · 25 Mar 2026 View ↗ PDF MCS-020-a-Issue-1.0-Final.pdf (899 kb) Document · 23 Mar 2026 View ↗

All documents on the council site ↗

Site constraints 3

Also on the record
Registered park or garden 238 m away: Gobions (Gubbins); Inside the Brookmans Park built-up area; 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 · Not green belt · No listed building 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 7AA
Received
23 Mar 2026
Validated
13 Apr 2026
Parish
North Mymms
Case officer
Show
Decision
Refused
Decision date
21 Aug 2026
Decision level
Delegated
Applicant
Show
Agent
Michael David

How this decision compares

Decided in 130 days from validation, 74 days slower than Welwyn Hatfield's median of 56 for demolitions. Refused, as 15% of demolitions here are.

53%decided within 8 weeks
85%approved
116decided in the last year

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

Public comments

6comments received

11 neighbours consulted · Last counted 8 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
1 Aug 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