England · Local authority

Hertsmere Borough Council
Planning applications.

Explore collected planning applications and decisions for Hertsmere Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
6,057Searchable applications
440Recorded as pending
83%Approval rate · 4,085 approved or refused records
685Refused applications

3,400 approved · 685 refused · 317 withdrawn. Received dates in our records: 4 Sept 2020 to 7 Oct 2026. Most recent record check: 11 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Council contacts

Contact details were found on council pages. Check the source for opening hours and which enquiries the service handles.

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas16 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Decided23/0904/VOC

    Application for variation of condition 2 (plans) to allow for the omission of the chimney stack and first floor flank window, conversion of garage to habitable space to include removal of garage door and insertion of window to front elevation following grant of planning permission 21/0846/FUL.

    High Cross Garage High Cross Aldenham Watford Hertfordshire WD25 8BN

    Received 22 Jun 2023
  2. Unknown23/0905/MA

    Application for a non-material amendment to allow for fitting of a new wall mounted AC condenser unit following the grant of planning permission ref 22/1482/FUL.

    Job Centre Elstree Way Borehamwood Hertfordshire WD6 1JR

    Received 22 Jun 2023
  3. Decided23/0906/HSE

    Construction of a first floor rear extension to include insertion of Juliet balcony and alterations to front fenestration. Conversion of loft to habitable space with associated roof alterations to include enlargement with new crown roof, and insertion of 4 x front roof lights, 2 x rear roof lights, and 1 x roof light to both side elevations.

    97 Billy Lows Lane Potters Bar Hertfordshire EN6 1UY

    Received 23 Jun 2023
  4. Decided23/0907/HSE

    Demolition of existing linked garage, construction of a two storey side extension, part single, part two storey rear extension to include Juliet balcony at first floor level and alterations to fenestration.

    9 Trewenna Drive Potters Bar Hertfordshire EN6 5JW

    Received 23 Jun 2023
  5. Decided23/0908/FUL

    Change of use of ground floor bakery E(a) to hot food takeaway (Sui-Generis) and installation of an internal extraction system (including replacement outlet vent) with associated fixtures and fittings.

    142 Shenley Road Borehamwood Hertfordshire WD6 1EQ

    Received 23 Jun 2023
  6. Decided23/0909/HSE

    Single storey front, side and rear extension, conversion of garage to habitable space including alterations to fenestration. (Amended Plans received: 23/08/2023)

    1 Maple Close Bushey Hertfordshire WD23 2DS

    Received 26 Jun 2023
  7. Decided23/0910/HSE

    Conversion of loft to habitable space including hip to gable roof alterations, rear dormer and 3 front roof lights.

    1 Maple Close Bushey Hertfordshire WD23 2DS

    Received 26 Jun 2023
  8. Decided23/0911/HSE

    Conversion of loft to habitable space including rear dormer and 3 front roof lights. (AMENDED PLANS RECEIVED: 15/06/2023 - dormer size reduced)

    49 Allerton Road Borehamwood Hertfordshire WD6 4AJ

    Received 26 Jun 2023
  9. Decided23/0912/CLP

    Conversion of loft to habitable space with hip to gable roof alterations to include rear dormer and insertion of 2 x front roof lights. Certificate of Lawful Development (Proposed).

    326 Park Avenue Bushey Hertfordshire WD23 2BJ

    Received 26 Jun 2023
  10. Decided23/0913/HSE

    Construction of a single storey front porch extension.

    326 Park Avenue Bushey Hertfordshire WD23 2BJ

    Received 26 Jun 2023
  11. Decided23/0914/VOC

    Application for Variation of Condition 2 (Approved Plans) to allow for an increase in projection to the side extension following grant of planning permission 23/0528/HSE.

    1 Beehive Close Elstree Borehamwood Hertfordshire WD6 3HP

    Received 26 Jun 2023
  12. Decided23/0915/PD42

    Single storey rear extension to existing semi-detached house. Depth: 4m, Height: 4m, Eaves: 3m.

    25 Tiverton Road Potters Bar Hertfordshire EN6 5HY

    Received 26 Jun 2023
  13. Decided23/0916/PD42

    Single storey rear extension. Depth: 4.5m, Height: 3.63m, Eaves: 2.65m.

    152 Furzehill Road Borehamwood Hertfordshire WD6 2DX

    Received 26 Jun 2023
  14. Decided23/0917/PD42

    Part demolition of existing garage and erection of single storey rear extension. Depth: 6m, Height: 4m, Eaves: 3m.

    11 Oulton Crescent Potters Bar Hertfordshire EN6 3ED

    Received 26 Jun 2023
  15. Decided23/0918/HSE

    Construction of a single storey front porch. (AMENDED DESCRIPTION - 06/10/2023) (AMENDED PLANS RECEIVED: 09/10/2023 - existing part single, part two storey rear extension shown on existing plans)

    18 Shenleybury Cottages Shenleybury Shenley Radlett Hertfordshire WD7 9DJ

    Received 27 Jun 2023
  16. Decided23/0919/HSE

    Single storey front and side extension, single storey rear extension, first floor rear extension, conversion of garage to habitable space to include relocation of front entrance to replace garage door. Alterations to fenestration, external wall finish and patio area. (AMENDED PLANS RECEIVED: 18/08/2023 - proposed boundary treatment to include a 1.8m high fence from patio level)

    Halwyn Mountway Potters Bar Hertfordshire EN6 1EP

    Received 26 Jun 2023
  17. Decided23/0920/HSE

    Amendments to approved side extension (under application reference 22/1630/HSE). Minor internal alterations to openings and minor external alterations to paved areas. (Accompanying Listed Building Consent application under reference 23/0921/LBC.)

    Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA

    Received 26 Jun 2023
  18. Decided23/0921/LBC

    Amendments to approved side extension (under application reference 22/1631/LBC). Minor internal alterations to openings and minor external alterations to paved areas. (Application for Listed Building Consent. Accompanying householder application under reference 23/0920/HSE.)

    Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA

    Received 27 Jun 2023
  19. Decided23/0922/DOC

    Application for approval of details reserved by conditions 2 (sample of materials), 3 (scheme detailing cold roof build up, rockwool specification, and loft extenders), 4 (access hatch details), 5 (additional repair works), 6 (works affecting bat roosts), and 7 (approved plans and drawings) of planning permission reference 22/1673/HSE.

    2 Manor Cottages Rectory Lane Shenley Radlett Hertfordshire WD7 9AN

    Received 26 Jun 2023
  20. Decided23/0924/HSE

    Front porch extension (following demolition of existing front porch) with steps; new ground floor side window; replacement ground floor rear windows and doors with new openings and new first floor front window.

    14 Gills Hill Lane Radlett Hertfordshire WD7 8DF

    Received 27 Jun 2023
  21. Decided23/0925/HSE

    Construction of a part single, part two storey rear extension, single storey front extension and alterations to fenestration. Conversion of loft to habitable space with hip to gable roof alterations to include rear dormer with Juliet balcony and insertion of 4 x front roof lights.

    17 Melrose Avenue Borehamwood Hertfordshire WD6 2BH

    Received 27 Jun 2023
  22. Decided23/0927/HSE

    Erection of a single storey outbuilding for gym, study and storage use to rear garden.

    85 Cowley Hill Borehamwood Hertfordshire WD6 5NA

    Received 27 Jun 2023
  23. Decided23/0929/FUL

    Demolition of existing house and construction of a detached 7 bedroom dwelling to include habitable accommodation in the roof space and at basement level. Associated hard and soft landscaping, with the creation of a carriage driveway and electronic security gates. (Revised application)

    Lychgate The Warren Radlett Hertfordshire WD7 7DU

    Received 27 Jun 2023
  24. Unknown23/0930/DOC

    Application for approval of details reserved by part b of condition 5 (site completion report) of planning permission reference 20/0315/FULEI

    Land East Of Rowley Lane Borehamwood Hertfordshire

    Received 28 Jun 2023

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Hertsmere Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

What these statistics cover

These figures describe applications collected by PlanningTrack for Hertsmere Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage