23 Shire Lane Chorleywood Rickmansworth Hertfordshire WD3 5NQ Data via plota.co.uk

26/1579/CLPD - Certificate of Lawfulness - Proposed Use Pending Consideration

Proposal

Certificate of Lawfulness Proposed Development: Construction of a two storey rear extension; loft conversion including part hip-to-gable roof extension with two rear dormers and installation of front rooflights. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
5 Oct 2026
Decision
Expected by 30 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 28 Nov 2026, from Three Rivers's recent extensions.

Comments are open until 27 Oct 2026

Comment on this application ↗

Documents 26

Plans & drawings 23

PDF DRAWINGS LIST Supporting documents · 5 Oct 2026 View ↗ PDF 200 LOCATION PLAN AND PHOTOS OF ELEVATIONS Drawing · 5 Oct 2026 View ↗ PDF 201 EXISTING BLOCK PLAN Drawing · 5 Oct 2026 View ↗ PDF 202 EXISTING GROUND FLOOR PLAN Drawing · 5 Oct 2026 View ↗ PDF 203 EXISTING FIRST FLOOR PLAN Drawing · 5 Oct 2026 View ↗ PDF 204 EXISTING LOFT FLOOR PLAN Drawing · 5 Oct 2026 View ↗ PDF 205 EXISTING ROOF PLAN Drawing · 5 Oct 2026 View ↗ PDF 206 EXISTING SECTION A-A Drawing · 5 Oct 2026 View ↗ PDF 207 EXISTING FRONT ELEVATION Drawing · 5 Oct 2026 View ↗ PDF 208 EXISTING REAR ELEVATION Drawing · 5 Oct 2026 View ↗ PDF 209 EXISTING SIDE (SOUTH-WEST) ELEVATION Drawing · 5 Oct 2026 View ↗ PDF 210 EXISTING SIDE (NORTH-EAST) ELEVATION Drawing · 5 Oct 2026 View ↗ PDF 211 PROPOSED BLOCK PLAN Drawing · 5 Oct 2026 View ↗ PDF 212 PROPOSED GROUND FLOOR PLAN Drawing · 5 Oct 2026 View ↗ PDF 213 PROPOSED FIRST FLOOR PLAN Drawing · 5 Oct 2026 View ↗ PDF 214 PROPOSED LOFT FLOOR PLAN Drawing · 5 Oct 2026 View ↗ PDF 215 PROPOSED ROOF PLAN Drawing · 5 Oct 2026 View ↗ PDF 216 PROPOSED SECTION A-A Drawing · 5 Oct 2026 View ↗ PDF 217 PROPOSED FRONT ELEVATION Drawing · 5 Oct 2026 View ↗ PDF 218 PROPOSED REAR ELEVATION Drawing · 5 Oct 2026 View ↗ PDF 219 PROPOSED SIDE (SOUTH-WEST) ELEVATION Drawing · 5 Oct 2026 View ↗ PDF 220 PROPOSED SIDE (NORTH-EAST) ELEVATION Drawing · 5 Oct 2026 View ↗ PDF 221 PROPOSED PD CATEGORIES Drawing · 5 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 6

Also on the record
Conservation area about 36 m away: Chorleywood, Station Estate; 1 listed building within 150 m of the postcode pin; Radon affected area, class 2; Local nature reserve about 467 m away: Chorleywood Common; Inside the Chorleywood built-up area; National landscape about 466 m away: Chilterns.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 7 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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 £1,140,000 in August 2018. Detached house, freehold.

6 August 2018£1,140,000
23 January 1998£385,000

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

Building

Floor area178 m² (1,916 sq ft)
Energy ratingD (60 out of 100), could reach C
PropertyDetached house, 9 habitable rooms
Built1967 to 1975
HeatingWarm air, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in March 2017, 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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Important details

Application type
Certificate of Lawfulness - Proposed Use
Postcode
WD3 5NQ
Received
5 Oct 2026
Validated
5 Oct 2026
Ward
Chorleywood South And Maple Cross
Parish
Chorleywood Parish Council
Case officer
Show
Target decision
30 Nov 2026
Decision level
Delegated
Applicant
Show

Decision outlook

Day 4 of the 56-day target. Three Rivers usually decides extensions by day 54.

Day 452 days to the 56-day target
83%decided within 8 weeks
91%approved
487decided in the last year

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

Public comments

No public comments yet.

Last counted 7 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15266785
Planning Portal ref
PP-15266785
Comments by
27 Oct 2026
Statutory expiry
30 Nov 2026
Env. assessment
No
Three Rivers
Planning Authority Score
7.3/10
Good
#54 of 296 councils
Relevant to this application:
Householder decisions

Three Rivers is faster than most councils at deciding householder applications, ranking #30 out of 296. Only 24% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).

Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Three Rivers decision statistics
Based on MHCLG data, the year to March 2026
89%
Overall approval rate
Above avg (87%) #145 of 296
91%
Householder approved
Above avg (90%) #184 of 296
82%
Decided in 8 weeks
Above avg (63%) #30 of 296
24%
Extended time limit
Below avg (41%) #28 of 296
85%
Minor dwellings approved
62 decided (1-9 homes)
63%
Major dwellings approved
8 decided (10+ homes)
94%
Change of use approved
17 decided
819
Total decisions
86 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.

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.