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37 Church Lane Mill End Rickmansworth Hertfordshire WD3 8PT

26/0635/CLPDCertificate of Lawfulness - Proposed UsePermitted
Outline / PiP

Proposal

Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with rear dormer and front rooflights

Received
21 April 2026
Decided
12 June 2026 · approved
Decision level
Delegated (officer decision)
Ward
Penn And Mill End
Site boundary (council red line)
  1. Received21 Apr
  2. Validated21 Apr
  3. Consult.28 May
  4. Target16 Jun
  5. Decided12 Jun

Decided in 52 days (council typically 56)

8 weeks typical decision time in Three Rivers92% of outline applications approved

This is an outline application for a loft conversion at 37 Church Lane Mill End Rickmansworth Hertfordshire WD3 8PT. Three Rivers has handled 525 applications of this type and approves 91% of them, typically deciding them in 45 days. This one was decided in 52 days, 7 days longer than Three Rivers's median. There has been 1 other application at this address. In the past year there have been 38 applications across Penn And Mill End. We hold 2,722 applications in total for the WD3 postcode area.

Application Details

Reference
26/0635/CLPD
Address
37 Church Lane Mill End Rickmansworth Hertfordshire WD3 8PT
Postcode
WD3 8PT
Local Authority
Three Rivers
Application Type
Certificate of Lawfulness - Proposed Use
Scale / Size
Small
Decision Status
Permitted
Current Status
Decided
Ward
Penn And Mill End
Parish
Non-Parished

Applicant & Agent

Agent Address
The Loft Converter 33 East Barnet Road New Barnet EN4 8RN

Planning Application Dates

Date Received
21 April 2026
Consultation Expiry
28 May 2026
Target Decision Date
16 June 2026
Date Decided
12 June 2026
Date Validated
21 April 2026
Date Submitted
21 April 2026
Consultation End
28 May 2026

Planning Decision

Decision
approved
Decided By
Delegated Decision
Statutory Period
56 days

Publicity

Appeal

Additional Information

Planning Portal ID
PP-14859733
Comments
0
Documents
14
Constraints
28
Coordinates
51.635735, -0.490124
Enriching application data
2/3
Council recordsAppealsFlood risk

Source: Three Rivers

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Planning history at this site

1 other application at this property, newest first.

Planning constraints

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

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