6 Dymoke Green St Albans Hertfordshire AL4 9LY Data via plota.co.uk

5/2026/0898 - NMA Refused
Extensions & alterations

Proposal

Non Material Amedment - To reduce the size of the proposed rear extension and to keep the internal wall of planning permission dated 15/09/2025 for Proposed new vehicular crossing and rear extension Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
7 May 2026
✓
Validated
2 Jun 2026
✗
Refused
17 Jun 2026
Appeal
Not lodged

Refused on 17 Jun 2026 · Delegated · Last checked 18 Sept 2026

Documents

View the documents on the council's website ↗

Associated applications 3

  • Part of

    council archive
    • AmendmentNon Material Amedment - To reduce the size of the proposed rear extension and to keep…RefusedThis application5/2026/0898
    • Show 1 more · 1 approved

Site constraints 2

Also on the record
Radon affected area, class 2; Inside the St Albans built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · 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.

Sales history 2

Last sold for £250,000 in November 2013. Flat or maisonette, leasehold.

29 November 2013£250,000
19 April 2011£197,500

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

Building

Floor area58 m² (624 sq ft)
Energy ratingE (53 out of 100), could reach C
PropertyDetached maisonette, 3 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2010, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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6 Dymoke Green St Albans Hertfordshire AL4 9LY

Proposed rear extension

5/2026/1328
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Important details

Council
St Albans
Application type
NMA
Postcode
AL4 9LY
Received
7 May 2026
Validated
2 Jun 2026
Ward
Marshalswick West
Parish
SANDRIDGE
Case officer
Show
Target decision
26 Jun 2026
Decision
Non Material Amendment Refuse
Decision date
17 Jun 2026
Decision level
Delegated
Applicant
Show

How this decision compares

Decided in 15 days from validation, 66 days faster than St Albans's median of 81 for extensions. Refused, as 15% of extensions here are.

28%decided within 8 weeks
85%approved
633decided in the last year

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

Consultation & key dates

Alt. reference
321441PLN
Planning Portal ref
14915399
Comments by
26 Jun 2026
Statutory expiry
29 Jun 2026

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
Proposed new vehicular crossing and rear extension
5/2025/0755
2025 Approved
Proposed new vehicular crossing and rear extension
5/2025/0755
Within ~100m

Nearby activity

2022 Approved
22 Dymoke Green St Albans Hertfordshire Al4 9Ly
Vehicle crossover
5/2022/2662
2022 Approved
22 Dymoke Green St Albans Hertfordshire Al4 9Ly
Vehicle crossover
5/2022/2662
2021 Withdrawn
21 Dymoke Green St Albans Hertfordshire Al4 9Lx
Single storey rear extension following demolition of existing conservatory
5/2021/2600
2021 Withdrawn
21 Dymoke Green St Albans Hertfordshire Al4 9Lx
Single storey rear extension following demolition of existing conservatory
5/2021/2600
2021 Approved
21 Chalkdell Fields St Albans Hertfordshire Al4 9Lz
Single storey rear extension with rooflight following demolition of existing outbuilding…
5/2021/1052
2021 Approved
21 Chalkdell Fields St Albans Hertfordshire Al4 9Lz
Single storey rear extension with rooflight following demolition of existing outbuilding…
5/2021/1052
2021 Approved
61 Chalkdell Fields St Albans Hertfordshire Al4 9Lt
Prior Notification - Single storey rear extension 3m in height x 4m in depth and 2.6m in…
5/2021/1570
2021 Approved
61 Chalkdell Fields St Albans Hertfordshire Al4 9Lt
Prior Notification - Single storey rear extension 3m in height x 4m in depth and 2.6m in…
5/2021/1570
2021 Approved
7 Dymoke Green St Albans Hertfordshire Al4 9Lx
Single storey side and rear extension with roof lights and single storey front and side e…
5/2021/0701
2021 Approved
7 Dymoke Green St Albans Hertfordshire Al4 9Lx
Single storey side and rear extension with roof lights and single storey front and side e…
5/2021/0701
2020 Approved
25 Dymoke Green St Albans Hertfordshire Al4 9Lx
Part single, part two storey rear extension following the demolition of existing outbuild…
5/2020/2955
2020 Approved
25 Dymoke Green St Albans Hertfordshire Al4 9Lx
Part single, part two storey rear extension following the demolition of existing outbuild…
5/2020/2955
2020 Approved
7 Dymoke Green St Albans Hertfordshire Al4 9Lx
Single storey side/rear and single storey front/side extensions
5/2020/2796
2020 Approved
7 Dymoke Green St Albans Hertfordshire Al4 9Lx
Single storey side/rear and single storey front/side extensions
5/2020/2796
2020 Approved
9 Chalkdell Fields St Albans Hertfordshire Al4 9Lz
Insertion of new hardstanding with crossover and dropped kerb, landscaping works and inse…
5/2020/2082
2020 Approved
9 Chalkdell Fields St Albans Hertfordshire Al4 9Lz
Insertion of new hardstanding with crossover and dropped kerb, landscaping works and inse…
5/2020/2082
2020 Approved
4 Dymoke Green St Albans Hertfordshire Al4 9Ly
Replacement of side window
5/2020/0777
2020 Approved
4 Dymoke Green St Albans Hertfordshire Al4 9Ly
Replacement of side window
5/2020/0777
2020 Approved
7 Chalkdell Fields St Albans Hertfordshire Al4 9Lz
Prior Notification - Single storey rear extension 5m in depth x 3.7m in height with 2.5m…
5/2020/0568
2020 Approved
7 Chalkdell Fields St Albans Hertfordshire Al4 9Lz
Prior Notification - Single storey rear extension 5m in depth x 3.7m in height with 2.5m…
5/2020/0568
2016 Approved
11 Dymoke Green St Albans Hertfordshire Al4 9Lx
Single storey front and side extension with front rooflights including new porch, new roo…
5/2016/3159
2016 Approved
55 Chalkdell Fields St Albans Hertfordshire Al4 9Lt
Prior Notification - Single storey rear extension 3.2m in height x 4.5m in depth with 2.4…
5/2016/2593
2016 Approved
55 Chalkdell Fields St Albans Hertfordshire Al4 9Lt
Prior Notification - Single storey rear extension 3.2m in height x 4.5m in depth with 2.4…
5/2016/2593
2016 Approved
55 Chalkdell Fields St Albans Hertfordshire Al4 9Lt
Prior Notification - Single storey rear extension 3.2m in height x 4m in depth with 2.4m…
5/2016/2380
2016 Approved
55 Chalkdell Fields St Albans Hertfordshire Al4 9Lt
Prior Notification - Single storey rear extension 3.2m in height x 4m in depth with 2.4m…
5/2016/2380
St Albans
Planning Authority Score
1.1/10
Poor
#290 of 296 councils
Relevant to this application:
Householder decisions

St Albans is one of the slowest councils in England for householder decisions, ranking #285 out of 296. The council extends the time limit on 64% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

Among the slowest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
St Albans decision statistics
Based on MHCLG data, the year to March 2026
87%
Overall approval rate
Above avg (87%) #180 of 296
88%
Householder approved
Below avg (90%) #226 of 296
29%
Decided in 8 weeks
Below avg (63%) #285 of 296
64%
Extended time limit
Above avg (41%) #278 of 296
74%
Minor dwellings approved
130 decided (1-9 homes)
61%
Major dwellings approved
18 decided (10+ homes)
77%
Change of use approved
26 decided
1,411
Total decisions
184 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

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

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.