Planning applications in Hertsmere

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46 last 30 days
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15 last 14 days
Extensions & alterations
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Showing 50 of 200 applications
26/0572/HSE 29 Apr 2026 Awaiting decision

3 Cambridge Drive Potters Bar Hertfordshire EN6 3ET

Single storey front extension.

Hertsmere 29 Apr 2026
26/0571/HSE 29 Apr 2026 Awaiting decision

33 Oakfield Close Potters Bar Hertfordshire EN6 2BE

Single storey rear extension and conversion of garage to habitable space including removal of garage door with replacement window.

Hertsmere 29 Apr 2026
26/0574/HSE 29 Apr 2026 Awaiting decision

25 Coleridge Way Borehamwood Hertfordshire WD6 2AE

Single storey rear extension and conversion of garage to habitable space including removal of garage door and replacement window.

Hertsmere 29 Apr 2026
26/0569/CLP 29 Apr 2026 Awaiting decision

28 Cotton Road Potters Bar Hertfordshire EN6 5JG

Conversion of loft to habitable space with hip to gable roof alterations, rear dormer with Juliet balcony, and insertion of 2x front rooflights. Certi...

Hertsmere 29 Apr 2026
26/0577/CLP 29 Apr 2026 Awaiting decision

Inglewood The Avenue Bushey Hertfordshire WD23 2LL

Conversion of garage to habitable space to include replacement of garage door with 2x windows Certificate of Lawful Development (Proposed).

Hertsmere 29 Apr 2026
26/0565/HSE 27 Apr 2026 Awaiting decision

7 Belmont Road Bushey Hertfordshire WD23 2JT

Construction of two storey rear extension with alterations to fenestration.

Hertsmere 27 Apr 2026
26/0568/FUL 27 Apr 2026 Awaiting decision

Woodland Lodge Guide Hut Scrubbitts Park Road Radlett Hertfordshire WD7 8JN

Replacement of existing doors to Guide Hut.

Hertsmere 27 Apr 2026
26/0561/CLP 24 Apr 2026 Awaiting decision

82 Oulton Crescent Potters Bar Hertfordshire EN6 3EG

Hip to gable roof alterations with increased habitable space at loft level, new rear dormer with Juliet balcony, and insertion of 2x front rooflights....

Hertsmere 24 Apr 2026
26/0559/HSE 24 Apr 2026 Awaiting decision

26 The Grove Radlett Hertfordshire WD7 7NF

Part single, part two storey side and rear extension, first floor rear extension, erection of pool and outbuilding in rear garden, alterations to hard...

Hertsmere 24 Apr 2026
26/0549/HSE 23 Apr 2026 Awaiting decision

Islip House Mildred Avenue Borehamwood Hertfordshire WD6 2DH

Retrospective application for the retention of an existing garden building.

Hertsmere 23 Apr 2026
26/0548/HSE 23 Apr 2026 Awaiting decision

16 New Road Shenley Radlett Hertfordshire WD7 9EA

Erection of a single storey outbuilding in the rear garden.

Hertsmere 23 Apr 2026
26/0546/CLP 23 Apr 2026 Awaiting decision

31 Windmill Lane Bushey Heath Bushey Hertfordshire WD23 1NQ

Conversion of loft to habitable space including rear dormer and 2x front roof lights. Certificate of lawful development (Proposed).

Hertsmere 23 Apr 2026
26/0543/FUL 22 Apr 2026 Awaiting decision

10 Blunesfield Potters Bar Hertfordshire EN6 5DG

Part single part two-storey rear extension, conversion of loft to habitable space with rear dormer and to include insertion of 1x rear roof light, and...

Hertsmere 22 Apr 2026
26/0540/FUL 22 Apr 2026 Awaiting decision

22 Bushey Hall Road Bushey Hertfordshire WD23 2ED

Proposed new shop front with alterations to fenestration.

Hertsmere 22 Apr 2026
26/0539/PD42 22 Apr 2026 Awaiting decision

10 Blunesfield Potters Bar Hertfordshire EN6 5DG

Single storey rear extension Depth: 7.00m, Height: 3.00m, Eaves: 3.00m.

Hertsmere 22 Apr 2026
26/0530/HSE 21 Apr 2026 Awaiting decision

Round Bush Round Bush Lane Aldenham Watford Hertfordshire WD25 8BQ

Removal of timber framed, glazed door and window, and replacement with timber framed, double glazed sliding doors.

Hertsmere 21 Apr 2026
26/0536/HSE 21 Apr 2026 Awaiting decision

188 Mutton Lane Potters Bar Hertfordshire EN6 2AW

Demolition of existing conservatory and single storey rear extension to facilitate construction of single storey rear extension. Conversion of garage ...

Hertsmere 21 Apr 2026
26/0535/HSE 21 Apr 2026 Awaiting decision

55 Langmead Drive Bushey Heath Bushey Hertfordshire WD23 4GD

Construction of single storey front extension and part single, part two storey rear extension with associated roof works.

Hertsmere 21 Apr 2026
26/0526/PD42 20 Apr 2026 Awaiting decision

20 Kenilworth Drive Borehamwood Hertfordshire WD6 1QW

Single storey rear extension. Depth: 6.00m, Height: 2.95m, Eaves: 2.75m.

Hertsmere 20 Apr 2026
26/0527/HSE 20 Apr 2026 Awaiting decision

13 Highfield Way Potters Bar Hertfordshire EN6 1UL

Single storey rear extension.

Hertsmere 20 Apr 2026
26/0528/HSE 20 Apr 2026 Awaiting decision

21 Horsehaven Mews Watford Hertfordshire WD19 4FT

Erection of single storey rear conservatory.

Hertsmere 20 Apr 2026
26/0525/HSE 20 Apr 2026 Awaiting decision

68 Linton Avenue Borehamwood Hertfordshire WD6 4QY

Construction of single storey front porch with pitched roof and external render. (Retrospective.)

Hertsmere 20 Apr 2026
26/0523/HSE 17 Apr 2026 Awaiting decision

48 Aldenham Avenue Radlett Hertfordshire WD7 8HY

Single storey rear extension and conversion of loft to habitable space including alterations to roof and fenestration.

Hertsmere 17 Apr 2026
26/0520/HSE 17 Apr 2026 Awaiting decision

7 Sutcliffe Close Bushey Hertfordshire WD23 3PL

Construction of a single storey side and rear extension to include 4 x roof lights.

Hertsmere 17 Apr 2026
26/0517/HSE 16 Apr 2026 Awaiting decision

105 Baker Street Potters Bar Hertfordshire EN6 2ET

Two storey side and single storey rear extensions. Conversion of loft to habitable space with side and rear dormers.

Hertsmere 16 Apr 2026
26/0515/HSE 15 Apr 2026 Awaiting decision

77 Manor Way Borehamwood Hertfordshire WD6 1QR

Construction of single storey rear extension with associated roof alterations to encompass existing outbuiling, alterations to fenestration and instal...

Hertsmere 15 Apr 2026
26/0513/CLP 14 Apr 2026 Awaiting decision

7 Hawthorne Road Radlett Hertfordshire WD7 7BJ

Erection of outbuilding in rear garden. Certificate of lawful development (Proposed).

Hertsmere 14 Apr 2026
26/0512/LBC 14 Apr 2026 Awaiting decision

Flat 5 Wessex House Marlborough Drive Bushey Hertfordshire WD23 2RP

Replacement of window glazing units. (Application for listed building consent)

Hertsmere 14 Apr 2026
26/0507/HSE 14 Apr 2026 Awaiting decision

16 Craigweil Avenue Radlett Hertfordshire WD7 7EX

Demolition of existing rear conservatory; construction of part single, part two storey side and rear extension, and conversion of loft to habitable sp...

Hertsmere 14 Apr 2026
26/0508/PD42 14 Apr 2026 Awaiting decision

21 Holly Drive Potters Bar Hertfordshire EN6 2QL

Single storey rear extension. Depth: 5.0m, Height: 3.0m, Eaves: 3.0m.

Hertsmere 14 Apr 2026
26/0510/HSE 14 Apr 2026 Awaiting decision

26 Aycliffe Road Borehamwood Hertfordshire WD6 4JW

Single storey side garage extension, following removal of existing garage.

Hertsmere 14 Apr 2026
26/0497/HSE 13 Apr 2026 Awaiting decision

16 Melrose Avenue Potters Bar Hertfordshire EN6 1SZ

Single storey rear, side, and front porch extension; alterations to fenestration.

Hertsmere 13 Apr 2026
26/0501/HSE 13 Apr 2026 Awaiting decision

4 Watling Knoll Radlett Hertfordshire WD7 7HW

Conversion of garage to habitable space and single storey side extension with pitched roof over both, and insertion of 6x rooflights; alterations to f...

Hertsmere 13 Apr 2026
26/0499/HSE 13 Apr 2026 Awaiting decision

8 Herkomer Close Bushey Hertfordshire WD23 3LW

Replacement of existing garage with prefabricated detached steel garage.

Hertsmere 13 Apr 2026
26/0488/CLP 10 Apr 2026 Awaiting decision

31 Greatham Road Bushey Hertfordshire WD23 2HT

Conversion of loft to habitable space with side and rear dormer, insertion of 2x front rooflights and side window at loft level, alterations to fenest...

Hertsmere 10 Apr 2026
26/0494/FUL 10 Apr 2026 Awaiting decision

Metropolitan House Darkes Lane Potters Bar Hertfordshire EN6 1AG

Alterations to external fenestration including replacement windows, curtain walling, facing brick and render.

Hertsmere 10 Apr 2026
26/0492/CLP 10 Apr 2026 Awaiting decision

45 Newark Green Borehamwood Hertfordshire WD6 2QQ

Conversion of the loft into habitable space, including a rear dormer and the installation of three front roof lights. Construction of a single-storey ...

Hertsmere 10 Apr 2026
26/0478/HSE 9 Apr 2026 Awaiting decision

63 Church Road Potters Bar Hertfordshire EN6 1EY

Single storey rear infill extension and first floor rear extension.

Hertsmere 9 Apr 2026
26/0486/PD42 9 Apr 2026 Awaiting decision

84 Hartforde Road Borehamwood Hertfordshire WD6 5JT

Single storey rear extension. Depth: 6.00m, Height: 2.85m Eaves: 2.73.

Hertsmere 9 Apr 2026
26/0479/FUL 9 Apr 2026 Awaiting decision

2 - 72 Baldock Way Borehamwood Hertfordshire

Pitched roof additions over flat roofs. Removal of chimneys and replacement balcony railings.

Hertsmere 9 Apr 2026
26/0468/HSE 8 Apr 2026 Awaiting decision

168A Dugdale Hill Lane Potters Bar Hertfordshire EN6 2DE

Conversion of loft to habitable space to include rear dormer and 2x front rooflights.

Hertsmere 8 Apr 2026
26/0472/HSE 8 Apr 2026 Awaiting decision

15 Masefield Avenue Borehamwood Hertfordshire WD6 2HH

Part single, part two storey side extension; first floor rear extension; front porch extension; alterations to fenestration.

Hertsmere 8 Apr 2026
26/0454/PD42 7 Apr 2026 Awaiting decision

21 Holly Drive Potters Bar Hertfordshire EN6 2QL

Single storey rear extension. Depth: 6.00m. Height: 3.00m, Eaves: 3.00m.

Hertsmere 7 Apr 2026
26/0453/PD42 7 Apr 2026 Awaiting decision

21 Holly Drive Potters Bar Hertfordshire EN6 2QL

Single storey rear extension. Depth: 6.00m, Height: 3.00m, Eaves: 3.00m.

Hertsmere 7 Apr 2026
26/0461/HSE 7 Apr 2026 Awaiting decision

11 St Leonards Close Bushey Hertfordshire WD23 2DB

Construction of single storey side extension and front porch, conversion of garage to habitable space with window to replace garage door, and retentio...

Hertsmere 7 Apr 2026
26/0456/PD42 7 Apr 2026 Awaiting decision

24 Bullhead Road Borehamwood Hertfordshire WD6 1HS

Demolition of existing conservatory to facilitate construction of single storey rear extension Depth: 6.00m, Height: 3.05m, Eaves: 2.90m.

Hertsmere 7 Apr 2026
26/0466/PD42 7 Apr 2026 Awaiting decision

12 Beechwood Avenue Potters Bar Hertfordshire EN6 2PL

Single storey rear extension. Depth: 5.00m, Height: 2.95m, Eaves: 2.95m.

Hertsmere 7 Apr 2026
26/0465/CLP 7 Apr 2026 Awaiting decision

108 Auckland Road Potters Bar Hertfordshire EN6 3HE

Conversion of loft to habitable space with associated hip to gable roof alterations, rear dormer, insertion of 2x front rooflights and side window at ...

Hertsmere 7 Apr 2026
26/0462/CLP 7 Apr 2026 Awaiting decision

5 The Drive Radlett Hertfordshire WD7 7BZ

Construction of outbuilding in rear garden. Certificate of Lawful Development (Proposed).

Hertsmere 7 Apr 2026
26/0457/CLP 7 Apr 2026 Awaiting decision

24 Bullhead Road Borehamwood Hertfordshire WD6 1HS

Conversion of loft to habitable space to include hip to gable roof alterations rear dormer and insertion of 2x front rooflights and 1x side rooflight ...

Hertsmere 7 Apr 2026
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Data updated 10 May 2026. Source: Hertsmere planning portal.