118 Theobald Street Borehamwood Hertfordshire WD6 4PA

This site has had 2 applications since 2026.

• 26/0872/CLP Decided

  118 Theobald Street Borehamwood Hertfordshire WD6 4PA

  Conversion of loft to habitable space with associated hip to gable roof alterations, to include rear dormer, insertion of 3x front rooflights and removal of chimney stack. Certificate of Lawful Development (Proposed).

  Decided 28 Jul 2026 Lawful development

1. 19 Aug 2026

   Received by Hertsmere

2. 25 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 14 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hertsmere took a median of 57 days over the applications it decided in the last year.

This application is with Hertsmere for determination, against a statutory target of eight weeks. Over the last year Hertsmere decided householder applications in a median of 65 days. More in our guide to how long planning decisions take.

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.

• Telecommunications Equipment On Grass Verge Adjacent To 1 Gateshead Road Theobald Street Borehamwood Hertfordshire

  23/0380/PD56O Submitted 7 Mar 2023 50 yards away

  Installation of 15m high 5G slim-line monopole, supporting 6 x antennas, 3 x equipment cabinets and ancillary development thereto.

  Refused Prior approval 23 docs

• 118 Theobald Street Borehamwood Hertfordshire WD6 4PA

  26/0872/CLP Submitted 24 Jun 2026 50 yards away

  Conversion of loft to habitable space with associated hip to gable roof alterations, to include rear dormer, insertion of 3x front rooflights and removal of chimney stack. Certificate of Lawful Development (Proposed).

  Decided Lawful development Loft or dormer Roofing 6 docs

• 2 Gateshead Road Borehamwood Hertfordshire WD6 4NQ

  23/0541/FUL Submitted 12 Apr 2023 100 yards away

  Demolition of existing dwelling, garage and outbuilding, and redevelopment of the site to provide 4 x residential dwellings (2 x 2 bed & 2 x 3 bed) including alterations to existing vehicular access, and associated works with amenity space, car parking, refuse and cycle storage.

  Refused Full applications Demolition 58 docs
  Small domestic

• 2 Anthony Road Borehamwood Hertfordshire WD6 4NG

  24/1098/HSE Submitted 27 Aug 2024 100 yards away

  Erection of part single, part two storey rear and side extensions. Conversion of loft to habitable space to include rear dormer and additional front dormer. Solar panels and alterations to fenestration.

  Granted Householder Extension Loft or dormer +1 13 docs
  Domestic

• 6 Anthony Road Borehamwood Hertfordshire WD6 4NG

  23/0024/HSE Submitted 6 Jan 2023 100 yards away

  Demolition of existing rear extension and garage, construction of two storey side extension, part single, part two storey rear extension, new front canopy, front dormer and alterations to fenestration to include 2 x rear roof lights. (AMENDED DESCRIPTION: 09/03/2023 - front dormer)

  Granted Householder Extension Loft or dormer +2 8 docs
  Domestic

• 82 Stevenage Crescent Borehamwood Hertfordshire WD6 4NS

  21/1408/CLP Submitted 7 Jul 2021 150 yards away

  Conversion of loft to habitable room with rear dormer and 1 rooflight to front. Certificate of lawfulness (Proposed).

  Granted Lawful development Loft or dormer 6 docs

• 26/0805/HSE Granted

  Rydal Mount Lodge Baker Street Potters Bar Hertfordshire EN6 2BP

  Demolition of existing conservatory to facilitate construction of single storey rear extension and front porch extension.

  Received 10 Jun, published by the council 24 Jul 2026 Householder
• 26/1218/HSE Refused

  22 The Grove Radlett Hertfordshire WD7 7NF

  Conversion of garage to habitable space with window to replace garage door and new pitched roof, construction of first floor side extension and part single, part two storey rear extension with insertion of 1x side rooflight, alterations to fenestration and front hard landscaping.

  Received 24 Aug, published by the council 1 Sep 2026 Householder
• 26/1253/HSE Granted

  159 Arundel Drive Borehamwood Hertfordshire WD6 2LZ

  Construction of single storey rear extension with pitched roof and 3x rooflights, and alterations to fenestration.

  Received 28 Aug, published by the council 4 Sep 2026 Householder
• 26/1250/HSE Granted

  3 The Walk Potters Bar Hertfordshire EN6 1QL

  Single storey side extension following demolition of existing detached garage and shed.

  Received 28 Aug, published by the council 4 Sep 2026 Householder
• 26/1075/HSE Granted

  7 Belmor Elstree Borehamwood Hertfordshire WD6 3JX

  Proposed boundary treatments to the rear of the property including replacement fence.

  Received 31 Jul, published by the council 12 Aug 2026 Householder