Hertsmere planning applications 2026

Hertsmere/26/0188/DOC

18 The Warren Radlett Hertfordshire WD7 7DX

Application for approval of details reserved by conditions 2 (details of external materials), 3 (details of balustrades and/or screening to balcony and terrace), 5 (arboricultural method st...

Hertsmere/26/0210/CLP

65 Carpenter Way Potters Bar Hertfordshire EN6 5QA

Erection of single storey outbuilding to rear garden. Certificate of Lawful Development (Proposed).

Hertsmere/26/0211/HSE

122 Mead Way Bushey Hertfordshire WD23 2DP

Partial conversion of garage to habitable space with increased garage roof height; construction of single storey side and rear extension; alterations to fenestration and rear patio.

Hertsmere/26/0254/MA

61 Darkes Lane Potters Bar Hertfordshire EN6 1BJ

Application for a non-material amendment to allow for alterations to fenestration and moving a/c units from lower ground to above new extension following the grant of planning permission re...

Hertsmere/25/1728/VOC

Garages To Rear Of 23-25 Park Road And Land To The Rear Of 38-40 Watling Street Radlett Hertfordshire

Variation of condition 2 (approved plans and drawings) to allow for the addition of a roof terrace to the rear block following grant of planning permission 25/0195/FUL.

Hertsmere/25/1729/VOC

Garages To Rear Of 23-25 Park Road And Land To The Rear Of 38-40 Watling Street Radlett Hertfordshire

Variation of condition 2 (approved plans and drawings) to allow for the installation of an external carport canopy and associated structure over the approved surface parking spaces, to incl...

Hertsmere/25/1734/VOC

Garages To Rear Of 23-25 Park Road And Land To The Rear Of 38-40 Watling Street Radlett Hertfordshire

Variation of condition 2 (plans) to allow for additional roof terrace to F5 over the second floor flat roof following grant of planning permission 25/0195/FUL.

Hertsmere/26/0312/MA

The Firs St Johns Close Potters Bar Hertfordshire EN6 5PD

Application for a non-material amendment to allow for alteration to window frame material following the grant of planning permission reference 22/0675/FUL.

Hertsmere/26/0354/DOC

Land East Of South Mimms Services St Albans Road South Mimms Hertfordshire

Application for approval of details reserved by condition 5 (Archaeological Written Scheme of Investigation) of planning permission reference 24/1152/OUTEI.

Hertsmere/26/0498/HSE

16 Melrose Avenue Potters Bar Hertfordshire EN6 1SZ

Construction of single storey side and rear extension and front porch extension.

Hertsmere/26/0503/TELENQ

Telecommunications Equipment On Highway Verge At Roundabout Of M25 Junction 24 Southgate Road Potters Bar Hertfordshire

Telecommunications enquiry.

Hertsmere/25/1659/HSE

12 Elmwood Avenue Borehamwood Hertfordshire WD6 1SZ

Single storey rear extension, conversion of loft into habitable space to include rear dormer, conversion of garage into habitable space to include replacement of garage door with window.

Hertsmere/26/0009/DOC

57 Bushey Grove Road Bushey Hertfordshire WD23 2JW

Application for approval of details reserved by conditions 4 (climate change and sustainability statement), 5 (crime prevention strategy), 7 (cycle scheme), 8 (waste management scheme) of p...

Hertsmere/26/0065/HSE

11 Chestnut Rise Bushey Hertfordshire WD23 1AB

Construction of single storey outbuilding.

Hertsmere/26/0192/CLP

69 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA

Conversion of loft to habitable space with 2x hip to gable roof alterations, partially recessed rear dormer with 2x Juliette balconies, and insertion of 3x front rooflights. Certificate of...

Hertsmere/26/0198/CLP

67 Cotton Road Potters Bar Hertfordshire EN6 5JJ

Change of use from 6 person HMO (Class C4) to 7 person HMO (Sui-Generis). Certificate of Lawful Development (Proposed).

Hertsmere/26/0214/HSE

34 Northfield Road Borehamwood Hertfordshire WD6 5AQ

Construction of first floor rear extension.

Hertsmere/26/0488/CLP

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 fenestration and new rear entrance at first f...

Hertsmere/26/0494/FUL

Metropolitan House Darkes Lane Potters Bar Hertfordshire EN6 1AG

Alterations to external fenestration including replacement windows, curtain walling, facing brick and render (additional plan received on 26.05.2026 and amended plans received on 15.06.2026...

Hertsmere/26/0495/DOC

Nell Gwynne Cottage Salisbury Hall Drive London Colney St Albans Hertfordshire AL2 1BU

Application for approval of details reserved by condition 2 (details of proposed new windows) of planning permission reference 23/0978/LBC.

Hertsmere/25/1761/TPO

Potters Bar Clinic 190 Barnet Road Potters Bar Hertfordshire EN6 2SE

T1 (GC T5) ROWAN. Cavity in Stem, significant decay, Dismantle to ground level and replace tree with suitable species of choice within next replanting season.T20 (GC T9) PAWLONIA. Dismantle...

Hertsmere/25/1816/HSE

54 Lullington Garth Borehamwood Hertfordshire WD6 2HF

Demolition of the existing single storey side extension and erection of a part single, part two storey side and rear extension. Loft conversion to provide habitable accommodation, incorpora...

Hertsmere/25/1818/DOC

Wild Orchid Barnet Lane Elstree Borehamwood Hertfordshire WD6 3QZ

Application for approval of details reserved by condition 6 (piling method statement) of planning permission reference 22/0331/FUL.

Hertsmere/26/0200/HSE

Hertsmere

Hertsmere/26/0251/PD42

30 Berwick Road Borehamwood Hertfordshire WD6 4BQ

Single storey rear extension Depth: 4.80m, Height: 3.00m, Eaves: 2.88m.

Hertsmere/26/0424/HSE

66 The Campions Borehamwood Hertfordshire WD6 5QE

Retention of side door and fenestration alterations. (Retrospective application)

Hertsmere/26/0131/CLE

47 Newlands Avenue Radlett Hertfordshire WD7 8EJ

Addition of plant room to pool hall following approval of planning application reference 16/1580/HSE and appeal reference APP/N1920/D/17/3168832. Certificate of Lawful Development (Existing...

Hertsmere/26/0176/HSE

6 The Comyns Bushey Heath Bushey Hertfordshire WD23 1HP

Single storey side extension.

Hertsmere/26/0179/CLP

5 The Rutts Bushey Heath Bushey Hertfordshire WD23 1LN

Single storey rear extension and alterations to fenestration. Certificate of lawful development (Proposed).

Hertsmere/26/0252/PD42

1 Rowley Lane Borehamwood Hertfordshire WD6 5PA

Single storey rear extension Depth: 4.50m, Height: 3.00m, Eaves: 2.90m.

Hertsmere/25/1330/VOC

9 Newlands Avenue Radlett Hertfordshire WD7 8EH

Variation of condition 2 (drawings/plans) to allow for construction of electricity substation following grant of planning permission 25/0414/VOC. (AMENDED DESCRIPTION: 11/03/2026).

Hertsmere/26/0167/CLP

48 Ashley Drive Borehamwood Hertfordshire WD6 2JD

Conversion of loft to habitable space to include rear dormer with juliette balcony and demolition of existing chimney stack. Certificate of Lawful Development (Proposed).

Hertsmere/26/0191/LBC

Reveley Lodge 88 Elstree Road Bushey Heath Bushey Hertfordshire WD23 4GL

Like-for-like internal repainting of railings, timber infill panels and wood-veneered ceiling. (Application for Listed Building Consent.)

Hertsmere/26/0209/HSE

36 Northfield Road Borehamwood Hertfordshire WD6 5AQ

Full width first floor rear extension.

Hertsmere/26/0241/PD42

128 Ashwood Road Potters Bar Hertfordshire EN6 2PW

Single storey rear extension. Depth: 5.95m, Height: 3.00m, Eaves: 3.00m.

Hertsmere/26/0298/CLE

Islip House Mildred Avenue Borehamwood Hertfordshire WD6 2DH

Use of house and outbuilding to teach Pilates, ancillary to primary residential use. Certificate of Lawful Development (Existing).

Hertsmere/26/0395/VOC

4 Newberries Avenue Radlett Hertfordshire WD7 7EW

Variation of condition 2 (openings) to allow for removal of opaque glass window and replacement clear glass window following grant of planning permission TP/09/1253.

Hertsmere/26/0452/DOC

Hartsbourne Country Club Hartsbourne Avenue Bushey Heath Bushey Hertfordshire WD23 1JW

Application for approval of details reserved by conditions 4 (landscape mitigation), 7 (investigation and risk assessment), 10 (site waste management plan), 16 (offsite highways improvement...

Hertsmere/25/0685/DOC

Lyndhurst Farm Green Street Borehamwood Hertfordshire WD6 5NF

Application for approval of details reserved by conditions 21 (scheme for offsite highway improvement works), 32 (details of flood resilient and resistant measures), 33 (details of maintena...

Hertsmere/25/1380/OUT

Fields Theobald Street Radlett Hertfordshire WD7 7LS

Construction of 4x new dwellings (Use Class C3) to be located to the rear of the existing house, which is to be retained. Outline planning application (with all matters reserved except acce...

Hertsmere/25/1760/HSE

88 The Walk Potters Bar Hertfordshire EN6 1QF

Construction of outbuilding for use as granny annexe, ancillary to the main dwelling.

Hertsmere/26/0051/HSE

16 Melrose Avenue Potters Bar Hertfordshire EN6 1SZ

Front porch, two storey side and single storey rear extension.

Hertsmere/26/0140/CLP

225 Darkes Lane Potters Bar Hertfordshire EN6 1BX

Conversion of garage to habitable room with window to replace garage door; conversion of loft to habitable room with rear dormer and insertion of 3x front rooflights; construction of two st...

Hertsmere/26/0141/CLP

27 Park View Potters Bar Hertfordshire EN6 5PY

Conversion of loft to habitable room with rear dormer and insertion of 2x front rooflights, construction of single storey rear and single storey side extensions, and alterations to fenestra...

Hertsmere/26/0151/CLP

2A Goodyers Avenue Radlett Hertfordshire WD7 8BA

Conversion of garage to habitable space to include replacement of garage door with window. Construction of front porch extension with associated roof works Certificate of Lawful Development...

Hertsmere/26/0155/HSE

20B Belmont Road Bushey Hertfordshire WD23 2GS

Construction of single storey rear extension with 2x rooflights and alterations to fenestration.

Hertsmere/26/0156/HSE

124 Ashley Drive Borehamwood Hertfordshire WD6 2JB

Construction of single storey side and rear extension.

Hertsmere/26/0158/HSE

8 Oberon Close Borehamwood Hertfordshire WD6 5RU

Construction of single storey rear extension, and conversion of loft to habitable room with rear dormer and insertion of 3x front rooflights.

Hertsmere/26/0159/CLP

84 The Walk Potters Bar Hertfordshire EN6 1QF

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

Hertsmere/26/0335/EI1

W Block Clare Hall Laboratories Blanche Lane South Mimms Hertfordshire

Request for screening opinion (Environmental Assessment - Screening).

Hertsmere/26/0055/HSE

4 Letchmore Road Radlett Hertfordshire WD7 8HT

Demolition of existing detached garage. Demolition of existing conservatory to facilitate construction of two storey rear extension with alterations to fenestration. Front infill and rebuil...

Hertsmere/26/0134/HSE

7 Mandeville Road Potters Bar Hertfordshire EN6 5LG

Construction of single storey side and rear extension with 1x rooflight and 1x skylight.

Hertsmere/26/0135/CLP

7 Mandeville Road Potters Bar Hertfordshire EN6 5LG

Conversion of loft to habitable space to include rear dormer and 2x front rooflights. Certificate of Lawful Development (Proposed).

Hertsmere/26/0137/HSE

16 Cygnet Close Borehamwood Hertfordshire WD6 5NG

Construction of single storey front extension.

Hertsmere/26/0139/DOC

BBC Elstree Centre Clarendon Road Borehamwood Hertfordshire WD6 1JF

Application for approval of details reserved by conditions 15, 16, and 17 (Land Contamination) of planning permission reference 25/0642/FUL.

Hertsmere/26/0205/PD42

3 Hastings Way Bushey Hertfordshire WD23 2JX

Single storey rear extension Depth: 4.00m, Height: 3.40m, Eaves: 3.00m.

Hertsmere/26/0442/DOC

237 Mutton Lane Potters Bar Hertfordshire EN6 2AT

Application for approval of details reserved by condition 2 (scheme of landscaping) of planning permission reference 25/0517/VOC, following grant of planning permission 21/1278/FUL under ap...

Hertsmere/26/0444/DOC

Land East Of South Mimms Services St Albans Road South Mimms Hertfordshire

Application for approval of details reserved by condition 14 (contamination investigation and risk assessment) of planning permission reference 24/1152/OUTEI.

Hertsmere/24/1522/OUT

Land East Of Little Bushey Lane And North Of The Squirrels Little Bushey Lane Bushey Hertfordshire

Application for residential development (up to 280 dwellings) with access from Little Bushey Lane, a mobility / community hub (Class E), along with car parking, drainage and earthworks, ope...

Hertsmere/25/1690/FUL

Land Between 15 - 17 London Road Shenley Hertfordshire

Change of use from agricultural land to a dog walking field including fencing, access track, parking area, wooden weather shelter and dog play frame.