14 Swiss Avenue Watford WD18 7LN

This site has had 2 applications since 2026: 2 approved, 0 refused.

• 26/00396/LDC Granted

  14 Swiss Avenue Watford WD18 7LN

  Lawful Development Certificate for proposed loft conversion including rear dormer extension, two rear-facing windows and x3 front rooflights

  Decided 16 Jul 2026 Lawful development

1. 10 Jun 2026

   Received by Watford

2. 24 Jul 2026

   Added to PlanIndex

3. 30 Jul 2026

   Status changed to Pending Decision

   Previously Pending consideration.

4. 3 Aug 2026

   Decision issued: Conditional Planning Permission

Watford granted permission on 3 August 2026, 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.

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.

• 14 Swiss Avenue Watford WD18 7LN

  26/00396/LDC Submitted 27 May 2026 50 yards away

  Lawful Development Certificate for proposed loft conversion including rear dormer extension, two rear-facing windows and x3 front rooflights

  Granted Lawful development Extension Loft or dormer +1 10 docs

• 10 Swiss Avenue Watford Hertfordshire WD18 7LN

  22/01323/FULH Submitted 14 Nov 2022 50 yards away

  Erection of single storey rear extension and raising existing garage roof

  Granted Householder Extension 15 docs
  Small domestic

• 2 Swiss Close Watford WD18 7LW

  18/01072/FULH Submitted 20 Aug 2018 50 yards away

  Erection of part two storey part single storey side extension and single storey rear extension

  Granted Householder Extension 11 docs
  Small domestic

• 94 Cassiobury Park Avenue Watford WD18 7LF

  23/00984/HPD Submitted 27 Oct 2023 50 yards away

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 5.0m for which the maximum height would be 4.0m and for which the height of the eaves would be 2.40m

  Granted Prior approval Extension 6 docs
  Small domestic

• 94 Cassiobury Park Avenue Watford WD18 7LF

  23/00510/LDC Submitted 12 Jun 2023 50 yards away

  Lawful Development Certificate for single storey rear extension (3m).

  Refused Lawful development Extension 6 docs
  Small domestic

• 22 Swiss Avenue Watford WD18 7LN

  25/00718/FULH Submitted 1 Aug 2025 50 yards away

  Erection of new part ground and part first floor extensions to single family dwelling following demolition of existing single storey rear extension

  Granted Householder Extension Demolition 11 docs
  Small domestic

• 26/00644/FULH Granted

  16 Garden Close Watford Hertfordshire WD17 3DP

  Erection of a two storey side extension with new two storey gables entrance atrium and front two-storey bay. Single storey side extension to left hand side to house the new garage and single storey rear infill extension no more than 6m`s deep from the original wall.

  Received 14 Aug, published by the council 22 Aug 2026 Householder
• 26/00754/FULH Awaiting decision

  498 Whippendell Road Watford WD18 7QJ

  Erection of a ground floor wrap around extension, plus front porch.

  Received 28 Sep, published by the council 7 Oct 2026 Householder
• 26/00759/FULH Awaiting decision

  Gorran Haven Trevellance Way Watford WD25 0LY

  Erection of a double storey side and rear extensions and a single storey front extension.

  Received 28 Sep, published by the council 7 Oct 2026 Householder
• 26/00752/FULH Awaiting decision

  3 East Drive Watford Hertfordshire WD25 0AH

  Erection of single storey side extension and conversion of existing garage into habitable room

  Received 28 Sep, published by the council 1 Oct 2026 Householder
• 26/00756/FULH Awaiting decision

  40 Capel Road Watford WD19 4AE

  Erection of single storey rear extension

  Received 28 Sep, published by the council 1 Oct 2026 Householder