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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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 - WithdrawnS6/2007/1262/FP

    PROPOSED NEW DETACHED DWELLING AFTER DEMOLITON OF EXISTING GARAGE AND FLAT

    6 Mymms Drive, Brookmans Park, HATFIELD, Hertfordshire, AL9 7AF

    Received 21 Aug 2007
  2. Decided6/2017/2070/TPO

    Reduce crown and shape two Hornbeam trees by up to 25% and third Hornbeam by up to 15% plus removal of Epicormic growths and deadwood - Conservation Area

    8 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 11 Sept 2017
  3. Decided - RefusedW6/2007/0722/EM

    PROPOSED ENLARGEMENT OF EXISTING HARDSTANDING AND ERECTION OF TEMPORARY REAR GARDEN ROOM / SHED

    42 The Vineyard, Welwyn Garden City, AL8 7PU

    Received 10 May 2007
  4. Decided - Granted6/2023/0591/HOUSE

    Erection of single storey rear extension

    9 Ellenbrook Crescent Hatfield Hertfordshire AL10 9RP

    Received 16 Mar 2023
  5. Decided - GrantedN6/2009/0060/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND OUTBUILDING

    12 LONGCROFT LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EA

    Received 12 Jan 2009
  6. Decided - RefusedN6/2007/1294/FP

    ERECTION OF A TWO STOREY AND PART SINGLE STOREY SIDE EXTENSION

    1 The Avenue Welwyn AL6 0PN

    Received 29 Aug 2007
  7. Decided - GrantedN6/2015/1481/TC

    Crown reduce 4 Oak trees by 2m and 1 Oak tree by 2m plus light canopy thinning. Removal of 7 Lawson Cypress trees to be replaced with Beech hedging and removal of 1 Hornbeam tree

    24 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 10 Jul 2015
  8. Decided - GrantedW6/2009/1026/EM

    INFILL OF EXISTING CANOPY AREA ON REAR OF GARAGE

    134 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HP

    Received 21 May 2009
  9. Decided - Withdrawn6/2019/1079/COND

    Submission of details pursuant to condition 8 (Accessible Homes) on planning application 6/2018/2809/MAJ

    Queen Elizabeth II Hospital Howlands Welwyn Garden City AL7 4HQ

    Received 5 May 2019
  10. Decided - Granted6/2022/0709/MAJ

    Development of the site for 2 flexible use units (E(g)(iii), B2 and B8 Uses) and energy centre (sui generis use) including details of access, servicing, landscaping, boundary treatment and earthworks

    17 Tewin Road Welwyn Garden City AL7 1BD

    Received 25 Mar 2022
  11. Decided - Granted6/2026/0457/HOUSE

    Erection of home office/gym following the demolition of existing shed outbuildings

    187 Blythway Welwyn Garden City AL7 1DS

    Received 12 Mar 2026
  12. Decided - Withdrawn6/2020/0277/FULL

    Erection of a two-storey building to create 4 self-contained flats

    169 Knightsfield Welwyn Garden City AL8 7QG

    Received 30 Jan 2020
  13. Decided - Granted6/2019/0439/EM

    Erection of two storey side and single storey rear extension

    12 The Orchard Welwyn Garden City AL8 7PL

    Received 27 Feb 2019
  14. Decided - GrantedN6/2015/1368/FP

    Erection of a single storey rear extension

    22 Great Break Welwyn Garden City AL7 3EZ

    Received 24 Jun 2015
  15. Decided - GrantedW6/2008/2075/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION AND REAR CONSERVATORY

    32 ELMWOOD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LE

    Received 3 Nov 2008
  16. Decided - Granted6/2024/0466/EMT

    T1 Pine- remove 1-2m from the top and all round to balance crown as tree is unbalanced, growing over the car park for Welwyn golf course and touching phone lines

    32 High Oaks Road Welwyn Garden City AL8 7BH

    Received 11 Mar 2024
  17. Decided - Granted6/2026/1423/LAWP

    Certificate of lawfulness for the erection of an outbuilding

    57 Tolmers Road Cuffley Potters Bar EN6 4JG

    Received 12 Aug 2026
  18. Decided - Granted6/2018/0374/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height, 2.840m to the eaves

    67 Bluebridge Road Brookmans Park Hatfield AL9 7UW

    Received 2 Feb 2018
  19. Decided - GrantedN6/2015/0068/FP

    Retention of single storey rear extension

    20 Windhill, Welwyn Garden City, AL7 1RJ

    Received 15 Jan 2015
  20. Decided - Granted6/2025/1406/VAR

    Variation of Condition 8 (approved plans) on planning permission 6/2024/0608/FULL

    13 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 3 Jul 2025
  21. Decided - GrantedW6/2006/0496/EM

    FORMATION OF VEHICLE HARDSTANDING

    114 Longcroft Lane, Welwyn Garden City, AL8 6EN

    Received 18 Apr 2006
  22. Decided - Refused6/2019/0716/COND

    Submission of details pursuant to condition 1(Remediation), 4 (Noise) ,16 (Lighting Plan) 6/2018/1519/MAJ

    Street Record Chequers Field Welwyn Garden City AL7 4SX

    Received 26 Mar 2019
  23. Decided - Granted6/2025/2234/EMT

    White mulberry tree approx 8m tall, reduce crown by 25% (approx 2m to be taken off all branches).

    6 Little Youngs Welwyn Garden City AL8 6SL

    Received 21 Oct 2025
  24. Decided - GrantedN6/2010/0083/TC

    REMOVAL OF ONE SMALL LEYLANDII TREE AND ONE LARGE LEYLANDII TREE AND 40% CUT BACK OF THREE HOLLY TREES

    41 DIGSWELL RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PP

    Received 15 Jan 2010

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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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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