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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
31,795Searchable applications
303Recorded as pending
87%Approval rate · 26,560 approved or refused records
3,480Refused applications

23,080 approved · 3,480 refused · 1,677 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 20 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2015/1331/TE

    Reduce 5 Lawson Cypress trees by upto 12ft

    395 Knightsfield Welwyn Garden City AL8 7LY

    Received 23 Jun 2015
  2. Decided - Refused6/2023/1692/HOUSE

    Erection of single-storey rear and side extensions, first floor rear extension, second floor rear roof extension and external and internal alterations

    32 Parkway Welwyn Garden City AL8 6HQ

    Received 14 Aug 2023
  3. Decided - Refused6/2023/1934/HOUSE

    Retention of two dormers and erection of two dormers on each side facing roofslope

    9 South Drive Cuffley Potters Bar EN6 4HP

    Received 19 Sept 2023
  4. Decided - Granted6/2016/1257/HOUSE

    Erection of part single storey and part two storey rear extension, removal of door/addition of a window to the front elevation.

    17 Vine Close, Welwyn Garden City, AL8 7PS

    Received 23 Jun 2016
  5. Decided - Withdrawn6/2016/2725/LAWP

    Certificate of lawfulness for the erection of additional roof space less than 50 cubic meters and dormer windows 0.2m away from the eaves. The proposed windows will be obscure up to 1.7m.

    7 Rollswood Road Welwyn AL6 9TX

    Received 23 Dec 2016
  6. Decided - Granted6/2026/0801/TPO

    Norway maple trees to cut back all overhanging branches. TPO 627 (2017)

    48 Birchall Wood Welwyn Garden City AL7 2HL

    Received 7 May 2026
  7. Decided - Granted6/2021/0439/HOUSE

    Erection of a front and rear extension to existing garage and conversion of garage

    2 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 11 Feb 2021
  8. Decided - Granted6/2019/2948/TPO

    Crown reduce 1x Oak tree (T1) by 2m

    42A Hertford Road Digswell Welwyn AL6 0DB

    Received 22 Nov 2019
  9. Decided - Granted6/2024/1010/EMT

    1 x Corkscrew willow to remove in sections to ground level 1 x Thuja to remove in sections to ground level 1 x Laurel to reduce by 1.2m in height and 1.2m width to maintain size 1 x Lawson cypress to remove to ground level

    5 The Valley Green Welwyn Garden City AL8 7DQ

    Received 30 May 2024
  10. Decided - Granted6/2024/2193/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.7m to the eaves

    23 Willow Way Hatfield AL10 9QD

    Received 13 Nov 2024
  11. Decided - Granted6/2023/0020/EM

    Erection of a single storey rear extension alterations to existing rear extension and replacement of uPVC upper-storey windows and panelling with insulated studwork walls and new aluminium windows following removal of existing lean-to conservatory

    23 Daniells, Welwyn Garden City, AL7 1QY

    Received 4 Jan 2023
  12. Decided - Granted6/2015/1815/TC

    Fell Willow tree

    Land adj to 1 Woodside House, Bridge Road, Welwyn Garden City, AL8 6UJ

    Received 26 Aug 2015
  13. Decided - Granted6/2021/1818/HOUSE

    Erection of single storey, part two storey rear extension, insertion of roof light to existing garage's roof to facilitate garage conversion and alterations to fenestration on existing front and rear elevations.

    56 Sylvandale Welwyn Garden City AL7 2HT

    Received 11 Jun 2021
  14. Decided - Granted6/2020/2590/FULL

    Temporary car park associated with the High View redevelopment to provide for staff and deliveries to existing retail units through the construction period

    High View House 77 Bishops Rise Hatfield AL10 9BY

    Received 7 Oct 2020
  15. Decided - Refused6/2021/1765/EMT

    Remove the left side front hedge of front garden

    17 Bushey Ley Welwyn Garden City AL7 3EY

    Received 4 Jun 2021
  16. Decided - Granted6/2026/0835/COND

    Submission of details pursuant to Condition 12 (Cycle Storage) on planning permission 6/2024/2418/MAJ

    26 Station Road Welham Green Hatfield AL9 7PG

    Received 12 May 2026
  17. Decided - Granted6/2023/0978/VAR

    Removal of condition 2 (Fixed and Obscured Glazing), on planning permission 6/2022/0075/HOUSE

    17 Monks Rise Welwyn Garden City AL8 7NF

    Received 9 May 2023
  18. Decided - WithdrawnN6/2013/2707/FP

    Change of use of public amenity land to form private driveway and installation of hardstanding at property frontage

    86 Thistle Grove, Welwyn Garden City, AL7 4AQ

    Received 18 Dec 2013
  19. Decided - GrantedW6/2015/0325/EM

    Erection of single storey rear extension and widening of existing crossover

    22 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 19 Feb 2015
  20. Decided - Refused6/2024/1626/COND

    Submission of details pursuant of condition 8 (External Lighting) on planning permission 6/2021/3489/MAJ

    The Woodside Centre The Commons Welwyn Garden City AL7 4DD

    Received 27 Aug 2024
  21. Decided - Granted6/2017/2466/HOUSE

    Erection of single storey rear extension and alterations to existing openings, including front elevation

    2 Ingles Welwyn Garden City AL8 7HL

    Received 25 Oct 2017
  22. Decided - Granted6/2026/0598/EM

    Conversion of garage to use as a dining room, as well as a glazed veranda & gazebo

    122 The Commons Welwyn Garden City AL7 4SB

    Received 7 Apr 2026
  23. Decided - Granted6/2020/0321/HOUSE

    Retention of two storey side and rear extension, single storey front porch and associated alterations and refurbishment.

    Horseshoe Cottage 31A Station Road Welham Green Hatfield AL9 7PQ

    Received 5 Feb 2020
  24. Decided - Granted6/2021/2339/EMT

    T1 - Sycamore -Crown reduce by 30% to maintain size and shape. T2 - Hawthorn - Crown reduce by 30% to maintain size and shape.

    34 Guessens Road Welwyn Garden City AL8 6RA

    Received 6 Aug 2021

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.

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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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