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48 Thompson Way Mill End Hertfordshire WD3 8GP

22/0925/CLPDCertificate of Lawfulness - Proposed UsePermitted
Outline / PiP

Proposal

Certificate of Lawfulness Proposed Development: Loft conversion including side dormer window and installation of new second floor rear facing window and alterations to fenestration detail including installation of new flank windows.

Received
17 May 2022
Decided
7 July 2022 · approved
Decision level
Delegated (officer decision)
Ward
Penn And Mill End
Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

  1. Received17 May
  2. Validated17 May
  3. Consult.
  4. Target12 Jul
  5. Decided7 Jul

Decided in 51 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 48 Thompson Way Mill End Hertfordshire WD3 8GP. 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 51 days, 6 days longer than Three Rivers's median. There are no previous applications recorded 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
22/0925/CLPD
Address
48 Thompson Way Mill End Hertfordshire WD3 8GP
Postcode
WD3 8GP
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
Chess Structural Consultants Ltd 28 Station Road Watford WD17 1JU

Planning Application Dates

Date Received
17 May 2022
Target Decision Date
12 July 2022
Date Decided
7 July 2022
Date Validated
17 May 2022
Date Submitted
17 May 2022
Decision Issued
12 July 2022

Planning Decision

Decision
approved
Decided By
Delegated Decision
Statutory Period
56 days

Publicity

Appeal

Additional Information

Planning Portal ID
PP-11245632
Comments
0
Documents
11
Constraints
12
Coordinates
51.640100, -0.497364
Enriching application data
2/3
Council recordsAppealsFlood risk

Source: Three Rivers

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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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