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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
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28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - GrantedS6/2015/1179/FP

    Change of use from nil use to dwelling (C3)

    11 Holly Close Hatfield AL10 9JB

    Received 3 Jun 2015
  2. Decided - Granted6/2026/0651/HOUSE

    Erection of a part single storey and part 1.5 storey rear extension and single storey side extension, alterations to the roof and fenestration and installation of first floor rear dormers

    42 Holloways Lane Welham Green Hatfield AL9 7NS

    Received 13 Apr 2026
  3. Decided - RefusedW6/2006/0502/EM

    ERECTION OF TWO STOREY REAR EXTENSION

    3 Knella Green, Welwyn Garden City, AL7 3NL

    Received 18 Apr 2006
  4. Decided - Granted6/2017/1654/HOUSE

    Erection of outbuilding in rear garden following the demolition of existing sheds

    69 Haldens Welwyn Garden City AL7 1DH

    Received 27 Jul 2017
  5. Decided6/2020/0213/TC

    Reduce 2x Ash trees by 2m Reduce 3x Conifer trees (conifer hedge) by 1m

    70 Guessens Court Welwyn Garden City AL8 6RB

    Received 24 Jan 2020
  6. Decided - Granted6/2021/0567/FULL

    Retrospective planning application for the install of a visitors pod

    Acacia Mews Care Home St Albans Road East Hatfield AL10 0FJ

    Received 22 Feb 2021
  7. Decided - Granted6/2025/1364/TPO

    TPO 643 - Two ash trees. Both exhibit signs of disease likely heading towards the tree dying. T1 - remove this tree in its entirety. T2 - 20% crown reduction and dead branch removal.

    8 Rosecroft Lane Welwyn AL6 0UB

    Received 1 Jul 2025
  8. Decided - Granted6/2017/0906/HOUSE

    Erection of a single storey rear extension with the installation of 1 rooflight, installation of window to facilitate conversion of garage to habitable space with tiled pitched roof and alterations to existing openings

    8 Huggins Lane Welham Green Hatfield AL9 7LR

    Received 2 May 2017
  9. Decided - Refused6/2024/0337/HOUSE

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

    9 South Drive Cuffley Potters Bar Hertfordshire EN6 4HP

    Received 21 Feb 2024
  10. Decided - Granted6/2016/0190/TPO

    Fell Apple tree - Conservation Area

    4 Polayn Garth, Welwyn Garden City, AL8 7DJ

    Received 4 Feb 2016
  11. Decided - Granted6/2020/0301/COND

    Submission of details pursuant conditions 6 (materials), 7 (openings), 8 (function room), 11 (ventilation) and 14 (external lighting) on planning permission 6/2019/2271/VAR.

    Bush Hall Hotel Chequers Hatfield AL9 5NT

    Received 3 Feb 2020
  12. Decided - Granted6/2018/0833/EM

    Reduce 1 x Rowan tree (T1) by 10 % and 1 x Apple tree (T2) by 15 %

    3 Walden Place Welwyn Garden City AL8 7PG

    Received 29 Mar 2018
  13. Decided - Granted6/2015/1730/FULL

    Installation of replacement shopfront

    29 Wigmores North Welwyn Garden City AL8 6PG

    Received 13 Aug 2015
  14. DecidedN6/2004/1687/GD

    ERECTION OF GROUND FLOOR CORRIDOR LINK TO FRONT OF EXISTING BUILDING AND EXTERNAL DISABLED ACCESS RAMP (CIRCULAR 18-84 CONSULTATION)

    1166 (WELWYN GARDEN CITY) SQUADRON, AIR TRAINING CORPS, LEMSFORD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YW

    Received 8 Nov 2004
  15. Decided - Granted6/2022/0279/EM

    Erection of garden room outbuilding to rear garden

    9 Monkswood, Welwyn Garden City, AL8 7EF

    Received 8 Feb 2022
  16. Decided - Granted6/2026/1262/COND

    Submission of details pursuant to Condition 21 (Biodiversity Enhancement Plan) on planning permission 6/2024/2418/MAJ

    26 Station Road Welham Green Hatfield AL9 7PG

    Received 17 Jul 2026
  17. Decided - GrantedS6/2009/1562/FP

    ERECTION OF TWO STOREY SIDE EXTENSION AND REAR FIRST FLOOR BAY WINDOW

    9 WOODLANDS, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AN

    Received 21 Jul 2009
  18. Decided - GrantedN6/2009/2070/TC

    REDUCE ASH TREE BY 30% AND REMOVE TWO FRONT BRANCHES

    107 THE VINEYARD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PX

    Received 28 Sept 2009
  19. Decided - Granted6/2018/0214/COND

    Submission of details pursuant to condition 5 (soft landscape plan) on planning permission 6/2017/2342/FULL, dated 19/12/2017

    Plot 4100 Gypsy Moth Avenue Hatfield Business Park Hatfield AL10 9UH

    Received 23 Jan 2018
  20. Decided - Granted6/2016/1605/TPO

    Reduce Copper Beech tree by 50% - Conservation Area

    34 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 8 Aug 2016
  21. Decided - Granted6/2020/2962/EMT

    1 x Cherry Plum - fell Replacing with a Himalayan Birch

    60 Crossway Welwyn Garden City AL8 7EE

    Received 11 Nov 2020
  22. Decided - Granted6/2016/2532/EM

    Removal of Silver Birch tree

    30 Beehive Lane Welwyn Garden City AL7 4BQ

    Received 28 Nov 2016
  23. Decided - Granted6/2020/2612/EM

    Proposed outbuilding under Permitted Development

    107 Uplands Welwyn Garden City AL8 7EH

    Received 8 Oct 2020
  24. Decided - Granted6/2025/1931/EMT

    30% crowning of sycamore tree within back garden as it is overhanging neighbouring properties

    228 Handside Lane Welwyn Garden City AL8 6TD

    Received 9 Sept 2025

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

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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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