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England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 areas9 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. Decided - GrantedW6/2008/2079/EM

    ERECTION OF A BRICK WALL OVER SIDE GATE

    31 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JW

    Received 31 Oct 2008
  2. Decided - Granted6/2018/2285/HOUSE

    Erection of single storey rear extension and alteration to ground floor rear fenestration

    1 Palmerston Close Welwyn Garden City AL8 7DL

    Received 6 Sept 2018
  3. Decided - Granted6/2023/1491/FULL

    Erection of a single storey rear extension

    5-6 Bradmore Green Brookmans Park AL9 7QW

    Received 17 Jul 2023
  4. Decided - GrantedN6/2007/1059/FP

    PROPOSED SINGLE STOREY REAR EXTENSION

    26 Elmwood Welwyn Garden City AL8 6LE

    Received 16 Jul 2007
  5. Decided6/2025/0456/TC

    T1 20-meter Oak tree with visible stress and 30% dead wood. All round canopy reduction of 30%”

    33 Applecroft Road Welwyn Garden City AL8 6JZ

    Received 11 Mar 2025
  6. Decided - GrantedN6/2013/1796/NM

    Non material amendment following approval of planning permission N6/2013/0997/FP - Widen extension by 285mm

    7 Beehive Lane, WELWYN GARDEN CITY, AL7 4BB

    Received 27 Aug 2013
  7. Decided - GrantedW6/2007/0801/EM

    ERECTION OF TWO STOREY SIDE EXTENSION AND NEW FRONT WINDOW

    34 Rosedale, Welwyn Garden City, AL7 1DR

    Received 25 May 2007
  8. Decided - Granted6/2018/2252/EM

    Installation of solar PV panels to the rear elevation

    53 Crossway Welwyn Garden City AL8 7ED

    Received 3 Sept 2018
  9. Decided - Granted6/2021/0692/COND

    Submission of details pursuant to condition 1 (material samples) & 2 (boundary treatment details) on planning permission 6/2020/3435/FULL

    66 Tolmers Road Cuffley Potters Bar EN6 4JY

    Received 3 Mar 2021
  10. Decided - Granted6/2018/0693/LB

    Alterations to windows and external doors

    Welwyn North Station 15-17 Harmer Green Lane Digswell Welwyn AL6 0AS

    Received 14 Mar 2018
  11. Decided - Granted6/2021/2098/LAWP

    Certificate of lawfulness for the erection of a single storey detached garage, a single storey rear conservatory and swimming pool and enclosure

    5 Bell Lane Hatfield AL9 7AY

    Received 12 Jul 2021
  12. Decided - GrantedC6/1987/7021/AD

    Illuminated fascia and projecting signs

    39A Howardsgate, Welwyn Garden City, AL8 6AP

    Received 1 Jan 1987
  13. Decided - Granted6/2015/1882/HOUSE

    Erection of a rear conservatory

    3 The Gardens, Brookmans Park, Hatfield, AL9 7UL

    Received 7 Sept 2015
  14. Decided - Granted6/2019/2327/HOUSE

    Erection of single storey side extension following demolition of detached garage

    1 Thistle Grove Welwyn Garden City AL7 4AB

    Received 23 Sept 2019
  15. Decided - GrantedN6/2015/0812/EM

    Replacement of vehicle hardstanding changing from concrete to block paving

    16 Meadow Green, Welwyn Garden City, AL8 6SS

    Received 14 Apr 2015
  16. Decided - Granted6/2022/0915/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.8m in height and 2.6m to the eaves

    65 Crawford Road Hatfield AL10 0PF

    Received 19 Apr 2022
  17. Decided - Granted6/2020/0073/PN8

    Prior approval for the erection of a single storey rear extension measuring 5.5m in depth, 3.0m in height and 2.8m to the eaves

    39 High Dells Hatfield AL10 9JD

    Received 13 Jan 2020
  18. Decided - Refused6/2025/0163/LAWP

    Certificate of lawfulness for a ground floor extension, erection of garage following demolition of existing garage, bringing it forwards 3.6m so it is in line with the rear wall of the house and removal of chimney stack

    28 Leigh Common Welwyn Garden City AL7 4NJ

    Received 30 Jan 2025
  19. Decided - Granted6/2025/1306/LAWP

    Certificate of lawfulness for single storey rear extension

    80 Park Meadow Hatfield AL9 5HB

    Received 23 Jun 2025
  20. Decided - Granted6/2022/1011/HOUSE

    Erection of single storey rear extension

    6 Hunsdon Welwyn Garden City Hertfordshire AL7 2PN

    Received 28 Apr 2022
  21. Decided - GrantedW6/2009/1292/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    26 MOORLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4PP

    Received 17 Jun 2009
  22. Decided - Granted6/2022/1451/HOUSE

    Erection of a single and two storey side extension, garage conversion with window to front elevation, alterations to windows and doors

    8 The Gardens Brookmans Park AL9 7UL

    Received 22 Jun 2022
  23. Decided - Granted6/2019/3258/COND

    Submission of details pursuant to condition 11 (noise and vibration protection) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 31 Dec 2019
  24. Decided - Granted6/2024/1244/HOUSE

    Erection of an outbuilding in rear garden as office, gym and storage

    85 Chelwood Avenue Hatfield AL10 0RF

    Received 3 Jul 2024

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 Welwyn Hatfield 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

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    Planning application documents: what to read first

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  • 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.

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  • 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.

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What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield 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.

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