18 Kemprow Aldenham Watford Hertfordshire WD25 8BP

This site has had 2 applications since 2026.

• 26/1077/HSE Decided

  18 Kemprow Aldenham Watford Hertfordshire WD25 8BP

  Single story rear extension, erection of a new porch, new raised roof incorporating conversion of loft to habitable space with front dormer and 5x roof lights,and associated external works.

  Decided 24 Sep 2026 Householder

1. 22 Jun 2026

   Received by Hertsmere

2. 24 Jul 2026

   Added to PlanIndex

3. 13 Oct 2026

   Decision issued

4. 14 Oct 2026

   Status changed to Decided

   Previously Awaiting decision.

Hertsmere has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 18 Kemprow Aldenham Watford Hertfordshire WD25 8BP

  26/1077/HSE Submitted 31 Jul 2026 50 yards away

  Single story rear extension, erection of a new porch, new raised roof incorporating conversion of loft to habitable space with front dormer and 5x roof lights,and associated external works.

  Decided Householder Extension Loft or dormer 13 docs
  Small domestic

• High Point Kemprow Aldenham Watford Hertfordshire WD25 8BP

  26/1440/FUL Submitted 7 Oct 2026 50 yards away

  84% historically approved · decision due ~2 Dec

  Demolition of existing garage/workshop and erection of a two-storey dwelling with habitable space at loft level. Erection of a triple-bay garage/carport serving High Point, formation of a new vehicular access onto Kemprow and associated hard and soft landscaping, including a timber pergola/gazebo.

  Awaiting decision Full applications Demolition 24 docs
  Domestic

• High Cross Garage High Cross Aldenham Watford Hertfordshire WD25 8BN

  21/0846/FUL Submitted 19 Apr 2021 50 yards away

  Demolition of commercial workshop premises and construction of a new detached 4-bed dwellinghouse with habitable accommodation in the roof space, to include formation of new driveway, front gardens and rear amenity space (revised application to 21/0315/FUL).

  Granted Full applications Demolition 20 docs
  Domestic

• High Point Kemprow Aldenham Watford WD25 8BP

  TP/11/1624 Submitted 23 Aug 2011 100 yards away

  Erection of single storey kitchen extension; Single storey extension to sitting room with external terrace; New doors, new and replacement windows and construction of Juliet balustrade; Loft conversion and extensions to include insertion of a rooflight to principal elevation; Installation of a swimming pool with bridge over; Single storey arbor enclosure; New South elevation chimney; Demolition of existing flue in brick chimney; Extension of existing soil vent pipe; Ground source heat pump boreholes and insertion of 8 no. solar panels on South West roof of existing garage (Certificate of Lawful Development - Proposed).

  Refused Lawful development Extension Loft or dormer +2 20 docs
  Small domestic

• 26/1315/CLP Granted

  52 Carrington Avenue Borehamwood Hertfordshire WD6 2HA

  Replacement rear dormer and alterations to front roof lights. Certificate of lawful development (Proposed).

  Received 10 Sep, published by the council 19 Sep 2026 Lawful development
• 26/1220/CLP Decided

  The Farm House The Green Letchmore Heath Watford Hertfordshire WD25 8ES

  Removal of approximately 1.4m of private garden hedge and installation of an inward-opening pedestrian gate and posts, with a maximum overall height of 1.0 metre above existing ground level, wholly within the property boundary. Certificate of Lawful Development (Proposed).

  Received 24 Aug, published by the council 28 Aug 2026 Lawful development
• 26/1300/CLP Granted

  111 Church Road Potters Bar Hertfordshire EN6 1EY

  Conversion of loft to habitable space to include rear dormer, 3x front rooflights and removal of chimney stack. Certificate of Lawful Development (Proposed).

  Received 7 Sep, published by the council 14 Sep 2026 Lawful development
• 26/1573/CLP Awaiting decision

  49 Warenford Way Borehamwood Hertfordshire WD6 5ER

  Construction of single storey outbuilding Certificate of Lawful Development (Proposed).

  Received 29 Oct, published by the council 6 Nov 2026 Lawful development
• 26/1276/CLE Granted

  81 Barton Way Borehamwood Hertfordshire WD6 1PQ

  Retention of existing use of an outbuilding as a self-contained dwellinghouse. Certificate of Lawful Development (Existing).

  Received 3 Sep, published by the council 9 Sep 2026 Lawful development