PlanningTrack
Get started

England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

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

Collected application statistics

Collected records · All available dates
24,606Searchable applications
313Recorded as pending
86%Approval rate · 20,170 approved or refused records
2,787Refused applications

17,383 approved · 2,787 refused · 1,293 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/2949/HOUSE

    Erection of a part two storey, part single storey rear extension with roof light, proposed single storey rear extension to existing single storey side and rear addition, alterations to existing window openings and proposed window openings

    45 Fordwich Road Welwyn Garden City AL8 6EY

    Received 11 Nov 2020
  2. Decided - Granted6/2019/2489/HOUSE

    Erection of a first floor side extension and single storey rear extension

    27 Welham Manor Welham Green Hatfield AL9 7EL

    Received 7 Oct 2019
  3. Decided6/2019/1673/TC

    Fell x1 Horse Chestnut tree covered by Conservation area

    16 Coneydale Welwyn Garden City AL8 7RZ

    Received 8 Jul 2019
  4. Decided - Granted6/2025/1611/HOUSE

    Erection of single storey side, rear extension and front porch

    59 Theobalds Road Cuffley Potters Bar EN6 4HL

    Received 28 Jul 2025
  5. Decided - Granted6/2020/2599/PN8

    Prior Approval for the erection of a flat roofed single storey rear extension with materials to match existing; painted render, flat roof to include insertion of roof lights, UPVC windows and UPVC or aluminium doors.

    13 Broad Acres Hatfield AL10 9LE

    Received 6 Oct 2020
  6. Decided - Granted6/2024/1004/COND

    Submission of details pursuant to condition number 1 (Hard and Soft Landscaping) on planning permission 6/2024/0102/HOUSE

    37 Osborne Road Little Heath Potters Bar EN6 1SD

    Received 29 May 2024
  7. Decided - Granted6/2019/0484/EM

    Alterations to rear elevation and removal of existing chimney

    9 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 1 Mar 2019
  8. Decided - Granted6/2024/1515/LAWP

    Certificate of lawfulness for a proposed single storey rear extension

    32 Woodhall Court Welwyn Garden City AL7 3TD

    Received 9 Aug 2024
  9. Appeal Decided - Allowed6/2016/1523/EM

    Formation of new driveway and the removal of conifer, replaced with a silver birch

    11 Valley Road, Welwyn Garden City, AL8 7DG

    Received 25 Jul 2016
  10. Decided - Refused6/2017/1226/LAWP

    Certificate of Lawfulness for erection of brick wall and installation of door following removal of existing garage door to facilitate conversion of garage to habitable space

    61 Aldykes Hatfield AL10 8ED

    Received 5 Jun 2017
  11. Decided - Granted6/2018/0749/EM

    Fell 5 x Lawson Cypress trees within the garden and grind stumps

    132 The Vineyard Welwyn Garden City AL8 7PU

    Received 20 Mar 2018
  12. Decided - Refused6/2025/1456/HOUSE

    Erection of part single, part two storey rear extension, extension of existing rear balcony, alterations to fenestration and application of render to external walls

    5 Kerdistone Close Little Heath Potters Bar EN6 1LG

    Received 7 Jul 2025
  13. Decided - Granted6/2023/2187/EMT

    T1 Holly/Laurel mixed hedge - Reduce by 30% in height and trim sides T2 Horse Chestnut - Reduce crown by 40% due to weak branches T3 Horse Chestnut - Reduce crown by 40% due to weak branches T4 Sycamore - Reduce crown by 30% G5 Pyracantha - Reduce by 30%

    6 Youngs Rise Welwyn Garden City AL8 6RU

    Received 26 Oct 2023
  14. Decided6/2026/1401/TC

    T1 robinia - crown reduction by 2m to reduce risk of failure as limbs are very heavy. T2 ash - crown lift to 4m. T3 oak - crwon lift to 4m and reduce lateral growth by up to 2m back from the road to the kerb line.

    49 Brockswood Lane Welwyn Garden City AL8 7BU

    Received 7 Aug 2026
  15. Decided6/2021/0913/TC

    1 x Silver Birch to reduce by 1.5m height & width. 1 x Silver Birch to remove 2m off dead top section and reduce remainder by 1.5m

    22 Fordwich Road Welwyn Garden City AL8 6EY

    Received 22 Mar 2021
  16. Decided6/2021/1953/TC

    1. Cherry - reduce crown by 20% 2. Maple - reduce crown by 20% 3. Lawson cypress - reduce by 6ft to 8ft

    3 Coneydale Welwyn Garden City AL8 7RX

    Received 28 Jun 2021
  17. Decided - Granted6/2021/1866/HOUSE

    Erection of a single storey rear extension

    11 Coopers Road Little Heath Potters Bar EN6 1JG

    Received 17 Jun 2021
  18. Decided - Refused6/2019/0608/HOUSE

    Erection of first floor side extension to form ancillary dwelling

    36 Longcroft Gardens Welwyn Garden City AL8 6JR

    Received 14 Mar 2019
  19. Decided - Granted6/2021/2985/HOUSE

    Insertion of 2 x dormers to front and rear of garage, install 4 x roof windows to front elevation and 4 x roof windows to rear elevation above existing dormers on dwelling

    82 New Park Road Newgate Street Hertford SG13 8RF

    Received 18 Oct 2021
  20. Decided - Granted6/2025/0895/EMT

    4 x Spruce to lift lowest branches from all tree lifting canopy to around 4m above ground level

    38 Valley Road Welwyn Garden City AL8 7DN

    Received 15 May 2025
  21. Decided - Withdrawn6/2021/3448/TPO

    T1 - T2 Scots pine to fell (dead). T3, T4, T5 hornbeam (phase 2) pollard to 5 meters as drawn out by oaks trees. All covered by TPO 752 (2018).

    4B Bracken Lane Welwyn AL6 0RB

    Received 9 Dec 2021
  22. Decided - Granted6/2017/1688/HOUSE

    Erection of single storey front infill extension and single storey rear extension and installation of pitched roof over existing garage and side extension involving demolition of existing conservatory.

    63 Moffats Lane Brookmans Park Hatfield AL9 7RT

    Received 2 Aug 2017
  23. Decided - Withdrawn6/2018/2178/FULL

    Erection of building comprising a sports hall and 7no classrooms with associated facilities; 4no hard play sports pitches with perimeter fencing to replace existing; installation of 2no temporary mobile classrooms, and; provision of 33no parking spaces on existing hard play surface

    Chancellors School, Pine Grove, Brookmans Park, Hatfield, AL9 7BN

    Received 22 Aug 2018
  24. Decided - Granted6/2019/2556/COND

    Submission of details pursuant to condition 1 (submission of remediation scheme) and condition 2 (arboricultural method statement) on planning permission 6/2019/0857/MAJ

    Stanborough Park North Stanborough Park Stanborough Road AL8 6DF

    Received 10 Oct 2019

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

View all applications

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

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities