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
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Refused6/2019/0932/EM

    Erection of a single storey rear extension and annex, following demolition of existing detached garage and shed.

    143 Hollybush Lane Welwyn Garden City AL7 4JT

    Received 17 Apr 2019
  2. Decided - Withdrawn6/2018/0805/PN8

    Prior approval for the erection of a single storey rear extension measuring 3m. in depth, 3m. in height, 2.54m. to the eaves

    7 Strawmead Hatfield AL10 0JG

    Received 23 Mar 2018
  3. Decided - Refused6/2019/0394/EM

    Formation of hardstanding

    26 Little Ganett Welwyn Garden City AL7 3DG

    Received 20 Feb 2019
  4. Decided - Granted6/2019/1238/COND

    Submission of details pursuant to condition 5 (External Materials), 6 (Construction Method Statement), 7 (Landscaping) on planning permission 6/2016/1980/FULL and APP/C1950/W/17/3188437

    Land R/O 26 Great North Road

    Received 22 May 2019
  5. Decided - Withdrawn6/2024/1439/EM

    First floor side extension, single storey side and rear extension with insertion of rooflights, part garage conversion with raising of roof and alterations to openings

    97 Pentley Park Welwyn Garden City AL8 7SL

    Received 30 Jul 2024
  6. Decided - Granted6/2021/3181/HOUSE

    Landscaping works to the rear garden including raising the level of the garden and erection of retaining wall and fence above

    2D Plough Hill Cuffley Potters Bar EN6 4DR

    Received 8 Nov 2021
  7. Decided6/2026/1134/TC

    1 x Hornbeam to reduce by approximately 2m in both height and width, not exceeding historic pruning points.

    20 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 30 Jun 2026
  8. Decided - Granted6/2019/2394/EM

    Fell 4 x Fir trees

    27 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 27 Sept 2019
  9. Decided - Granted6/2023/1393/HOUSE

    Erection of a single storey rear extension with first floor rear and side extensions, single storey front and side extensions and alterations to the existing fenestration

    1 Dewars Close Welwyn AL6 9RR

    Received 4 Jul 2023
  10. Decided - Granted6/2019/0833/EM

    Erection of garden office/gym

    62 Attimore Road Welwyn Garden City AL8 6LP

    Received 5 Apr 2019
  11. Decided - Granted6/2019/1705/EM

    Formation of resin bonding on driveway with associated landscape

    41 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 10 Jul 2019
  12. Decided - Granted6/2016/1769/HOUSE

    Erection of single storey rear extension

    79 Longcroft Lane, Welwyn Garden City, AL8 6EL

    Received 1 Aug 2016
  13. Appeal Decided - AllowedS6/2008/1004/FP

    ERECTION OF DETACHED DOUBLE GARAGE

    329 ST ALBANS ROAD WEST, HATFIELD, HERTFORDSHIRE, AL10 9RJ

    Received 27 Jun 2008
  14. Decided - Granted6/2018/2981/FULL

    Erection of office welfare building

    20 Black Fan Road Welwyn Garden City AL7 1QA

    Received 19 Nov 2018
  15. Decided - Refused6/2018/2827/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and, 2.8m to the eaves

    40 Astwick Avenue Hatfield AL10 9LA

    Received 1 Nov 2018
  16. Decided - Granted6/2017/0777/FULL

    Erection of single detached two bedroom house with associated parking and private amenity space.

    46A Peplins Way Brookmans Park Hatfield AL9 7UU

    Received 18 Apr 2017
  17. Decided - Granted6/2023/0065/COND

    Submission of details pursuant to condition number 1 (material sample) on planning permission 6/2021/3553/HOUSE

    2 Barlow Close Hatfield AL10 9GZ

    Received 11 Jan 2023
  18. Decided - Refused6/2018/2001/HOUSE

    Erection of front wall and entrance gates

    29 The Ridgeway, Cuffley, Potters Bar, EN6 4BB

    Received 31 Jul 2018
  19. Decided - GrantedS6/2014/2558/DS

    Approval of details reserved by condition 3 (details of colour finish of the walls and piers) of planning permission S6/2014/1663/FP

    28 Mymms Drive, Brookmans Park, Hatfield, AL9 7AF

    Received 24 Nov 2014
  20. Decided - Granted6/2021/3010/EMT

    2 x Sycamore to reduce lateral branches over lawn and shed by 2m. Remove limb over climbing frame. 1 x Magnolia to reduce lateral growth over lawn by 1.2m 1 x Willow leaved pear to fell to ground level, tree in poor condition and declining. 2 x Lawson cypress to fell to ground level and grind out stumps (clematis has been allowed to develop in canopy leaving tree unsightly) 1 x Lawson cypress to lift to around 5m above ground level

    11 The Valley Green, Welwyn Garden City, AL8 7DQ

    Received 20 Oct 2021
  21. Decided - Refused6/2019/1534/LAWE

    Certificate of lawfulness for the existing use of farm fields for summer car boot sales held on Sundays for more than 14 days

    Hill View Farm Northaw Road West Northaw Potters Bar EN6 4QY

    Received 24 Jun 2019
  22. Decided - GrantedW6/2013/0240/TE

    Removal of three Conifer trees located in rear garden

    11 Cherry Croft, WELWYN GARDEN CITY, AL8 7QU

    Received 4 Feb 2013
  23. Decided - GrantedN6/2008/1871/TP

    CUT BACK FROM HOUSE OAK TREE T1 COVERED BY TPO 66, REMOVE BRANCHES TOUCHING HOUSE COMPLETELY TO PREVENT PROBLEM RECURRING

    1 Harmer Green Lane Digswell Welwyn AL6 0BA

    Received 1 Oct 2008
  24. Decided - Refused6/2017/1733/EM

    Part removal of front Buxus hedge by up to 75%

    35 Furzefield Road Welwyn Garden City AL7 3RL

    Received 7 Aug 2017

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

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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 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.

Check collection coverage