12 Nightingale Close Radlett Hertfordshire WD7 8NT Data via plota.co.uk

26/1324/HSE - Householder Application Awaiting decision
Extensions & alterations

Proposal

Partial conversion of garage to habitable space, construction of single storey rear extension and front porch extension, alterations to fenestration. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
11 Sept 2026
✓
Consultation
25 Sept 2026
Decision
Expected by 6 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 5 Nov 2026, from Hertsmere's recent extensions.

The consultation period closed on 20 Oct 2026.

Documents 8

Statements & assessments 1

PDF Arboricultural impact assessment - aiaams_001_nigclo_07996_26_27 Supporting Documents · 11 Sept 2026 View ↗

Plans & drawings 6

PDF Location plan Drawing/Plans · 11 Sept 2026 View ↗ PDF 318-plk-05revd Proposed site plan and section a-a Drawing/Plans · 11 Sept 2026 View ↗ PDF 318-plk-04revd Proposed elevations Drawing/Plans · 11 Sept 2026 View ↗ PDF 318-plk-02reva Existing site plan and section a-a Drawing/Plans · 11 Sept 2026 View ↗ PDF 318-plk-01reva Existing floor layouts and elevations Drawing/Plans · 11 Sept 2026 View ↗ PDF 318-plk-03revd Proposed floor layouts Drawing/Plans · 11 Sept 2026 View ↗

Application forms 1

PDF Applicationformredacted Application Form · 11 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 2

Also on the record
Radon affected area, class 3; Inside the Radlett 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, 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 £1,510,000 in May 2023. Detached house, freehold.

31 May 2023£1,510,000
28 February 1995£334,000

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

Building

Floor area211 m² (2,271 sq ft)
Energy ratingC (69 out of 100)
PropertyDetached house, 10 habitable rooms
Built1991 to 1995
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, insulated (assumed)

From the energy performance certificate lodged in January 2023, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

27 Jul 2026Approved

15 Nightingale Close Radlett Hertfordshire WD7 8NT

T22. Silver Maple - Left side of the front garden on the boundary. Pollard back ...

26/1028/TPO

Nearby new applications

20 Oct 2026Pending

59 Aldenham Avenue Radlett Hertfordshire WD7 8JA

T9 Silver Birch Tree - fell

26/1495/TPO
20 Oct 2026Pending

36 Elm Walk Radlett Hertfordshire WD7 8DP

First floor front extension and conversion of loft to habitable space with hip-t...

26/1523/HSE
12 Oct 2026Pending

61 Gills Hill Lane Radlett Hertfordshire WD7 8DG

Demolition of existing rear conservatory and construction of single storey rear ...

26/1462/PD42
23 Sept 2026Pending

26 Aldenham Avenue Radlett Hertfordshire WD7 8HX

Proposed single storey rear extension.

26/1374/HSE
21 Sept 2026Pending

45 Watford Road Radlett Hertfordshire WD7 8LG

Permanent continuation of permission granted under permission reference 24/0763/...

26/1327/FUL
16 Sept 2026Pending

Kent Lodge Scrubbitts Park Road Radlett Hertfordshire

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Important details

Council
Hertsmere
Application type
Householder Application
Postcode
WD7 8NT
Received
11 Sept 2026
Validated
11 Sept 2026
Ward
Aldenham East
Parish
Aldenham Parish
Case officer
Show
Target decision
6 Nov 2026
Applicant
Show
Agent
PLK Design Limited

Decision outlook

Day 47 of the 56-day target. Hertsmere usually decides extensions by day 55.

Day 479 days to the 56-day target
68%decided within 8 weeks
86%approved
539decided in the last year

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

Public comments

No public comments yet.

7 neighbours consulted · Last counted 26 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15209301
Planning Portal ref
PP-15209301
Neighbours
29 Sept 2026
Consultation
25 Sept 2026
Comments by
20 Oct 2026
Statutory expiry
6 Nov 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2020 Refused
T43 ASH. Crown reduce height to 10m and spread to approx 5m. (approx 30% reduction)
20/1409/TPO
2020 Refused
T43 ASH. Crown reduce height to 10m and spread to approx 5m. (approx 30% reduction)
20/1409/TPO
Within ~100m

Nearby activity

2023 Approved
3 Nightingale Close Radlett Hertfordshire WD7 8NT
Alterations to fenestration to include enlargement of rear ground floor windows to provid…
23/1773/HSE
2023 Approved
3 Nightingale Close Radlett Hertfordshire WD7 8NT
Alterations to fenestration to include enlargement of rear ground floor windows to provid…
23/1773/HSE
2023 Approved
14 Nightingale Close Radlett Hertfordshire WD7 8NT
T26 ASH. Remove lower limb which hangs lower down into next door. It breaks off the main…
23/1171/TPO
2023 Approved
14 Nightingale Close Radlett Hertfordshire WD7 8NT
T26 ASH. Remove lower limb which hangs lower down into next door. It breaks off the main…
23/1171/TPO
2022 Approved
15 Nightingale Close Radlett Hertfordshire WD7 8NT
T22 SILVER MAPLE. Re-pollard central stems and limbs on south and east side of the tree t…
22/1784/TPO
2022 Approved
15 Nightingale Close Radlett Hertfordshire WD7 8NT
T22 SILVER MAPLE. Re-pollard central stems and limbs on south and east side of the tree t…
22/1784/TPO
2022 Approved
13 Cragg Avenue Radlett Hertfordshire WD7 8DW
Application for a non-material amendment to allow for the insertion of bi fold doors to e…
22/0847/MA
2022 Approved
13 Cragg Avenue Radlett Hertfordshire WD7 8DW
Application for a non-material amendment to allow for the insertion of bi fold doors to e…
22/0847/MA
2022 Approved
13 Cragg Avenue Radlett Hertfordshire WD7 8DW
Construction of a two storey side extension and single storey rear extension to include r…
22/0069/HSE
2022 Approved
13 Cragg Avenue Radlett Hertfordshire WD7 8DW
Construction of a two storey side extension and single storey rear extension to include r…
22/0069/HSE
2021 Approved
13 Cragg Avenue Radlett Hertfordshire WD7 8DW
Conversion of loft to habitable room with hip to gable roof alterations, and rear dormer…
21/0784/CLP
2021 Approved
13 Cragg Avenue Radlett Hertfordshire WD7 8DW
Conversion of loft to habitable room with hip to gable roof alterations, and rear dormer…
21/0784/CLP
2021 Approved
Green Oaks The Pathway Radlett Hertfordshire WD7 8HQ
T1 OAK. Crown lifting: Cut back lower branches overhanging conservatory by 1.5m. Cut back…
21/0070/TPO
2021 Approved
Green Oaks The Pathway Radlett Hertfordshire WD7 8HQ
T1 OAK. Crown lifting: Cut back lower branches overhanging conservatory by 1.5m. Cut back…
21/0070/TPO
2021 Approved
11 Nightingale Close Radlett Hertfordshire WD7 8NT
T35 OAK.Crown reduce height by up to 2.5m and lateral branches around the entire circumfe…
21/0141/TPO
2021 Approved
11 Nightingale Close Radlett Hertfordshire WD7 8NT
T35 OAK.Crown reduce height by up to 2.5m and lateral branches around the entire circumfe…
21/0141/TPO
2020 Refused
11 Nightingale Close Radlett Hertfordshire WD7 8NT
T35 - OAK: No:12 Nightingale Close reduce to approx 9m spread and 15m height, remove majo…
20/1747/TPO
2020 Refused
11 Nightingale Close Radlett Hertfordshire WD7 8NT
T35 - OAK: No:12 Nightingale Close reduce to approx 9m spread and 15m height, remove majo…
20/1747/TPO
2020 Refused
Green Oaks The Pathway Radlett Hertfordshire WD7 8HQ
T1 Oak - Crown thin by 20%. Prune branches overhanging house in Nightingale Close by 1.5…
20/1736/TPO
2020 Refused
Green Oaks The Pathway Radlett Hertfordshire WD7 8HQ
T1 Oak - Crown thin by 20%. Prune branches overhanging house in Nightingale Close by 1.5…
20/1736/TPO
2020 Approved
14 Nightingale Close Radlett Hertfordshire WD7 8NT
T42 OAK. Crown reduction to leave a height of 10m. Remove no more than 1m height and 1m s…
20/1094/TPO
2020 Approved
14 Nightingale Close Radlett Hertfordshire WD7 8NT
T42 OAK. Crown reduction to leave a height of 10m. Remove no more than 1m height and 1m s…
20/1094/TPO
2019 Approved
50 Loom Lane Radlett Hertfordshire WD7 8PA
Single storey rear extension and single storey front extension to garage to include conve…
19/1818/HSE
2019 Approved
Mulberry House The Pathway Radlett Hertfordshire WD7 8HQ
T7 OAK. Fell
19/0427/TPO
Hertsmere
Planning Authority Score
3.3/10
Poor
#225 of 296 councils
Relevant to this application:
Householder decisions

Hertsmere is slower than most councils at deciding householder applications, ranking #243 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (94%) 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
Hertsmere decision statistics
Based on MHCLG data, the year to March 2026
93%
Overall approval rate
Above avg (87%) #57 of 296
94%
Householder approved
Above avg (90%) #108 of 296
49%
Decided in 8 weeks
Below avg (63%) #243 of 296
55%
Extended time limit
Above avg (41%) #249 of 296
84%
Minor dwellings approved
102 decided (1-9 homes)
75%
Major dwellings approved
8 decided (10+ homes)
89%
Change of use approved
27 decided
742
Total decisions
55 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.

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.