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Planning application

40 Devereux Drive Watford WD17 3DE

Granted Watford 25/00256/FULH Full householder

Works: Extension 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

Erection of two storey front and rear extensions. Single storey rear and roof conversion.

As published by the council, reference 25/00256/FULH

Application record

Reference
25/00256/FULH
Type
Full householder
Status
Approved
Decision
Conditional Planning Permission
Received
19 Mar 2025
Validated
19 Mar 2025
Decided
13 May 2025
Ward
Park
Decision by
Delegated Decision
Postcode
WD17 3DE

Site history

Applications at this address on the Watford register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • 26/00259/FULH Granted

    40 Devereux Drive Watford WD17 3DE

    Installation of a domestic air-conditioning system to an existing dwelling, comprising six internal wall-mounted units connected to two external condenser units located externally. Unit 1- MHI FDC100VNP-W 10kW O/D R32 1ph. Outdoor unit (living and kitchen) Unit 2- MHI SCM125ZM-S Multi Outdoor 12.5kW. R410 Outdoor unit 12.5 kw. The works include installation of associated pipework, electrical connections, and minor penetrations through external walls for services (RETROSPECTIVE)

    Decided 5 Aug 2026 Householder

Timeline

Dates from the published record

  1. 19 Mar 2025

    Received by Watford

  2. 13 May 2025

    Decision issued: Conditional Planning Permission

  3. 26 Jul 2026

    Added to PlanIndex

Documents

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

13 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

Watford granted permission on 13 May 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 40 Devereux Drive Watford WD17 3DE

    26/00259/FULH Submitted 26 Mar 2026 0m away

    Installation of a domestic air-conditioning system to an existing dwelling, comprising six internal wall-mounted units connected to two external condenser units located externally. Unit 1- MHI FDC100VNP-W 10kW O/D R32 1ph. Outdoor unit (living and kitchen) Unit 2- MHI SCM125ZM-S Multi Outdoor 12.5kW. R410 Outdoor unit 12.5 kw. The works include installation of associated pipework, electrical connections, and minor penetrations through external walls for services (RETROSPECTIVE)

    Granted Householder 12 docs
    Domestic

  • 56 Devereux Drive Watford WD17 3DE

    22/00086/TPO Submitted 24 Jan 2022 27m away

    Works to trees under TPO.226 - A1 of the order protects all trees at the property. Removal of four conifers (A,B,C and D) a small Magnolia within the rear garden, and to cut back overhang from neighbours tree in line with the boundary and the removal of a small prunus within the front garden.

    Granted Trees 6 docs

  • 78 Devereux Drive Watford WD17 3DE

    20/01021/TPO Submitted 28 Sep 2020 27m away

    Works to trees under TPO.226 (Birch tree within area A1) 100% growth prune back to previous points with no structural change to main structure of tree due to tree being damaged and split.

    Granted Trees 7 docs

  • 42 Devereux Drive Watford WD17 3DE

    21/00393/TPO Submitted 17 Mar 2021 27m away

    Works to trees under TPO no.225 - retrospective application to fell tree, removal of 2no. trees to northern corner of rear garden, removal of Elder tree.

    Split decision Trees 13 docs

  • 36 Devereux Drive Watford WD17 3DE

    24/00291/LDC Submitted 26 Mar 2024 33m away

    Lawful Development Certificate for the erection of an outbuilding to the rear garden of a dwellinghouse, a purpose incidental to the enjoyment of the dwellinghouse, as per Class E.

    Granted Lawful development 10 docs
    Small domestic

  • 46 Devereux Drive Watford WD17 3DE

    20/00990/LDC Submitted 21 Sep 2020 42m away

    Lawful Development Certificate for a single story rear extension - 3.85m in projection with a flat roof and a roof lantern.

    Granted Lawful development Extension Windows or glazing 5 docs

In Watford

  • 26/00712/FULH Awaiting decision

    32 Gade Avenue Watford Hertfordshire WD18 7LG

    Erection of a single storey rear extension and internal alterations.

    8 Sep 2026 Householder
  • 26/00491/FULH Granted

    88 High Road Watford WD25 7LJ

    Retrospective planning application for timber framed cantilevered garden barbecue canopy with roof tiles to match existing

    29 Jun 2026 Householder
  • 26/00559/FULH Granted

    157 Cassiobury Drive Watford WD17 3AL

    Proposed roof alteration involving double hip-to-gable conversion; erection of a rear crown-roof dormer; erection of a front dormer; installation of 4 x roof lights on the front and front/side roof slope; installation of new windows to the front, rear and side; installation of a side door to the ground floor; changes to finish materials; internal alterations.

    21 Jul 2026 Householder
  • 26/00550/FULH Granted

    39 The Ridgeway Watford WD17 4TH

    Proposed roof alteration and conversion of loft into habitable room with roof lights.

    17 Jul 2026 Householder
  • 26/00601/FULH Granted

    28 Oakdene Road Watford WD24 6RW

    Erection of first floor rear extension

    3 Aug 2026 Householder