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Planning application

The Gate House 21 Chestnut Avenue Rickmansworth Hertfordshire WD3 4HA

Granted Three Rivers 25/1025/FUL Full Application

Works: Extension Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Construction of two storey front extension and single storey rear extension, alterations to rear fenestration and associated alterations to rear patio

As published by the council, reference 25/1025/FUL

Application record

Reference
25/1025/FUL
Type
Full Application
Status
Decided
Decision
approved
Received
11 Jun 2025
Validated
23 Jun 2025
Decided
22 Sep 2025
Ward
Chorleywood North And Sarratt
Parish
Chorleywood Parish Council
Decision by
Delegated Decision
Postcode
WD3 4HA

Site history

Applications at this address on the Three Rivers register

This site has had 3 applications since 2024: 2 approved, 0 refused.

  • 25/0952/DIS Decided

    The Gate House 21 Chestnut Avenue Rickmansworth Hertfordshire WD3 4HA

    Discharge of Condition 4 (Tree Protection) pursuant to planning permission 25/0151/FUL

    Decided 22 Jul 2025 Conditions
  • 24/1609/FUL Granted

    The Gate House 21 Chestnut Avenue Rickmansworth Hertfordshire WD3 4HA

    Single storey front and rear extensions and alterations to fenestration.

    Decided 9 Dec 2024 Full applications

Timeline

Dates from the published record

  1. 11 Jun 2025

    Received by Three Rivers

  2. 23 Jun 2025

    Validated

    Checked as complete and ready for consideration.

  3. 22 Sep 2025

    Decision issued: approved

  4. 24 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

10 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this grant of permission means

Three Rivers granted permission on 22 September 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

In Three Rivers

  • 26/1487/FUL Awaiting decision

    48 Valley Road Rickmansworth Hertfordshire WD3 4DS

    Demolition of existing car port; construction of a part single part two storey side and rear extension; alteration to the fenestration

    18 Sep 2026 Full applications
  • 26/1471/FUL Awaiting decision

    6 Sycamore Approach Croxley Green Rickmansworth Hertfordshire WD3 3TN

    Demolition of existing garage and front entry porch; construction of a single storey front, side and rear extensions; internal alterations; alterations to hardstanding

    16 Sep 2026 Full applications
  • 26/1167/FUL Granted

    22 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AD

    Construction of single storey front and rear extension; alterations to fenestration; installation of roof lanterns

    20 Jul 2026 Full applications
  • 26/1456/FUL Awaiting decision

    1 Penn Way Chorleywood Rickmansworth Hertfordshire WD3 5HQ

    Construction of single storey side and rear extension; conversion of garage into habitable accommodation; removal of chimney stack

    14 Sep 2026 Full applications
  • 26/1452/FUL Awaiting decision

    3 Arnett Way Rickmansworth Hertfordshire WD3 4DA

    Construction of a single storey front extension and two storey side extension; partial conversion of garage into habitable accommodation; installation of roof lights; alterations to the fenestration; internal alterations

    14 Sep 2026 Full applications