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Planning application

22/1161/PDE

8 Coombe Hill Road Mill End Rickmansworth Hertfordshire WD3 8ND

Granted Three Rivers PD - Extensions

Proposal

Prior Approval: Single storey rear extension (depth 7 metres, maximum height 3.58 metres, maximum eaves height 2.90 metres)

As published by the council, reference 22/1161/PDE

Timeline

Dates from the published record

  1. 16 Jun 2022

    Received by Three Rivers

  2. 20 Jul 2022

    Decision issued: no objection

  3. 1 Aug 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About outline applications

How this application type works

An outline application tests the principle of developing a site before the detail is worked up. Some or all of the particulars, such as appearance, layout, scale, access and landscaping, are held back as reserved matters for later approval. Permission at outline stage does not by itself allow building to start; the reserved matters must be approved first.

More on outline applications in our guide

Nearby applications

Within 500 metres

  • 22/0714/FUL Granted

    8 Coombe Hill Road Mill End Hertfordshire WD3 8ND

    Single storey rear extension, first floor extension and roof alterations including increase in ridge height and side dormer window, front entrance porch and front fenestration alterations

    14 Apr 2022 1m away Full applications
  • 25/1385/FUL Granted

    12 Coombe Hill Road Mill End Rickmansworth Hertfordshire WD3 8ND

    Construction of side extension to lower ground level, replacement rear terrace, stairs and balustrading at ground floor level

    18 Aug 2025 45m away Full applications
  • 23/1804/FUL Granted

    60 Chiltern Drive Mill End Rickmansworth Hertfordshire WD3 8JY

    Two storey front, side and rear extension, single storey rear extension, alterations to frontage including extension to existing crossover and construction of detached outbuilding

    25 Oct 2023 88m away Full applications
  • 25/1440/FUL Granted

    60 Chiltern Drive Mill End Rickmansworth Hertfordshire WD3 8JY

    Variation of condition 2 (plans) pursuant to planning permission 23/1804/FUL to allow single storey rear extension to be increased in depth

    27 Aug 2025 88m away Full applications
  • 24/0260/CLPD Granted

    68 Thellusson Way Mill End Rickmansworth Hertfordshire WD3 8RQ

    Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer, front rooflights and solar panels.

    19 Feb 2024 104m away Lawful development
  • 23/1990/FUL Granted

    42 Thellusson Way Mill End Rickmansworth Hertfordshire WD3 8RQ

    Installation of Air Source Heat Pump to the front elevation

    23 Nov 2023 121m away Full applications

In Three Rivers

  • 26/1040/PDE Withdrawn

    90 Sherborne Way Croxley Green Rickmansworth Hertfordshire WD3 3PG

    Prior Approval: Single storey rear extension (depth 5.00 metres, maximum height 2.90 metres, maximum eaves height 2.90 metres)

    26 Jun 2026 Outline
  • 26/0982/PDE Granted

    2 On The Hill Carpenders Park Watford Hertfordshire WD19 5DR

    Prior Approval: Demolition of existing extension and construction of single storey rear extensions. (Maximum depth: 6.00m, Maximum height: 3.45m, Maximum eaves height: 3.00m).

    17 Jun 2026 Outline
  • 26/1115/EIAS Awaiting decision

    Land Off Long Lane Heronsgate Hertfordshire

    Environmental Impact Assessment Scoping Opinion Request - Development of up to 650 residential dwellings, primary school, local centre uses, community uses, public open space, drainage and infrastructure and, associated vehicular access.

    9 Jul 2026 Outline
  • 26/0920/PDE Granted

    87 Durrants Drive Croxley Green Rickmansworth Hertfordshire WD3 3NY

    Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.00 metres, maximum eaves height 3.00 metres)

    4 Jun 2026 Outline
  • 26/0891/PDE Granted

    20 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ

    Prior Approval: Single storey rear extension (depth 7.50 metres, maximum height 3.80 metres, maximum eaves height 2.80 metres)

    1 Jun 2026 Outline