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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28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2015/2544/HOUSE

    Formation of new vehicular access

    Lodge Farm 124 Harmer Green Lane Digswell Welwyn AL6 0ET

    Received 18 Dec 2015
  2. Decided - Granted6/2021/0999/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    217 Knightsfield Welwyn Garden City AL8 7QL

    Received 24 Mar 2021
  3. Decided - Granted6/2025/2565/COND

    Submission of details pursuant to condition number 7 (Fire Hydrants) on planning permission 6/2022/2759/FULL

    Plot 5610 Gypsy Moth Avenue Hatfield AL10 9BS

    Received 15 Dec 2025
  4. Decided - GrantedN6/2014/2573/DS

    Approval of details reserved by condition 6 (sound insulation details) from Planning Application N6/2014/0109/FP

    32 Howardsgate, Welwyn Garden City, AL8 6BJ

    Received 24 Nov 2014
  5. Decided - Granted6/2021/2975/PN27

    Prior approval for the construction of an additional storey to facilitate the enlargement of the dwellinghouse to a maximum of approximately 8.5m

    33 Codicote Road Welwyn AL6 9TT

    Received 14 Oct 2021
  6. Decided - Refused6/2020/2074/PN22

    Prior approval for change of use from hair salon (A1) to café offering multi cuisine facility for take away and home delivery.

    24 Market Place Hatfield AL10 0LN

    Received 16 Aug 2020
  7. Decided - Granted6/2018/0444/LAWP

    Certificate of lawfulness for the erection of a conservatory

    88 Park Meadow Hatfield AL9 5HE

    Received 13 Feb 2018
  8. Decided - Granted6/2026/0505/HOUSE

    Erection of single storey rear extension

    139 Oakdale Welwyn Garden City AL8 7QS

    Received 18 Mar 2026
  9. Decided - Refused6/2022/1610/HOUSE

    Extension of dropped kerb

    53 High Road Essendon Hatfield Hertfordshire AL9 6HS

    Received 7 Jul 2022
  10. Decided - Granted6/2023/0453/FULL

    Installation of 2 x Electric Vehicle charging bays with associated equipment

    The Peartree Hollybush Lane Welwyn Garden City AL7 4JJ

    Received 27 Feb 2023
  11. Decided - GrantedS6/2007/1856/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    18 HANYARDS LANE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4AT

    Received 4 Dec 2007
  12. Decided - WithdrawnW6/2006/0139/EM

    ERECTION OF REAR WORKSHOP / HOBBIES ROOM

    174 Thistle Grove, Welwyn Garden City, AL7 4AJ

    Received 1 Feb 2006
  13. Decided - Granted6/2022/1022/HOUSE

    Erection of single storey front and rear extension following demolition of conservatory

    42 Birchwood Close Hatfield Hertfordshire AL10 0PP

    Received 3 May 2022
  14. Decided - GrantedN6/2009/2436/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    31 Church Street Welwyn AL6 9LW

    Received 2 Nov 2009
  15. Decided6/2023/1951/TC

    1 x Ash tree to fell to ground level and grind stump as tree has various types of fungus on stem and in the crown of the tree

    41 High Oaks Road Welwyn Garden City AL8 7BT

    Received 21 Sept 2023
  16. Decided - GrantedS6/2008/1402/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND ALTERATIONS TO GARAGE.

    50 GEORGES WOOD ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BT

    Received 12 Aug 2008
  17. Decided - Granted6/2022/2268/COND

    Submission of details pursuant to condition 14 (Archaeological site investigation and post investigation assessment) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 29 Sept 2022
  18. Decided - Granted6/2015/2541/COND

    Approval of details reserved by condition 3 (Details of refuse bin and recycling materials and areas) of planning permission 6/2015/2143/FULL - Subdivision of existing dwelling into 2no flats and erection of ground floor rear extension and installation of 2no skylights at the rear of the existing pitched roof.

    2 Hare Lane, Hatfield, AL10 8PP

    Received 30 Dec 2015
  19. Decided - GrantedW6/2007/0763/EM

    REPLACEMENT OF EXISTING HEDGE, NEW PAVING, GRAVEL AND PLANTED AREAS

    4 Redwoods, Welwyn Garden City, AL8 7NR

    Received 17 May 2007
  20. Decided - Granted6/2025/2262/HOUSE

    Erection of a part single and part two storey rear extension, garage conversion to habitable use and alterations to fenestration

    9 Hill Rise Cuffley Potters Bar EN6 4ED

    Received 24 Oct 2025
  21. Decided - Granted6/2019/1831/TPO

    Fell 2 x Oak trees - Dead and Dangerous

    Potters View Cucumber Lane Essendon

    Received 23 Jul 2019
  22. Decided - Granted6/2019/2493/HOUSE

    Erection of single storey rear extension and associated works.

    24 Sylvandale Welwyn Garden City AL7 2HT

    Received 4 Oct 2019
  23. Decided - Granted6/2023/0913/LAWP

    Certificate of lawfulness for the erection of single storey rear extension, two single storey side and rear extensions and two 2-storey rear extensions

    98 Harmer Green Lane Digswell Welwyn Hertfordshire AL6 0ES

    Received 28 Apr 2023
  24. Decided - GrantedS6/2006/0479/FP

    TWO STOREY SIDE/REAR EXTENSION, SINGLE STOREY REAR EXTENSION AND RE-SITING OF EXISTING GARAGE

    20 Cranmer Close Little Heath Potters Bar EN6 1LB

    Received 7 Apr 2006

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

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    Planning application documents: what to read first

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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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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