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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28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/0178/HOUSE

    Erection of two storey rear and side extension

    34 Briars Lane Hatfield AL10 8ET

    Received 18 Jan 2018
  2. Decided - RefusedS6/2007/0522/FP

    ERECTION OF A NEW DWELLING FOLLOWING DEMOLITION OF EXISTING BUNGALOW

    7 King James Avenue Cuffley Potters Bar EN6 4LN

    Received 2 Apr 2007
  3. Decided - Granted6/2020/0893/FULL

    Erection of two storey extension to house lift, single storey extension to provide covered entrance and buggy/pushchair shelter, entrance ramp and steps and bike stand

    Queensway Health Centre Queensway Hatfield AL10 0LF

    Received 17 Apr 2020
  4. Decided - Granted6/2015/1982/TPO

    Removal of One Sycamore tree and Two Elder trees - Conservation Area.

    18 Fore Street Hatfield AL9 5AH

    Received 21 Sept 2015
  5. Decided - GrantedN6/2013/2305/MA

    Alterations to existing access road

    Land at, 3 Bridge Road (Former Shredded Wheat Factory), Welwyn Garden City, AL8 6UN

    Received 31 Oct 2013
  6. Decided - Granted6/2020/2635/COND

    Submission of details pursuant to condition 1 (sound insulation and ventilation scheme) on planning permission 6/2020/0801/PN11

    25-27 Town Centre Hatfield AL10 0JT

    Received 12 Oct 2020
  7. Decided - GrantedS6/2007/0394/FP

    TWO STOREY REAR EXTENSION WITH NEW GARAGE & DEMOLITION OF EXISTING GARAGE.

    Arnold Cottage Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 9 Mar 2007
  8. Decided - Granted6/2021/3313/COND

    Submission of details pursuant to condition 1 (construction management plan), 2 (cycles parking), and 3 (access works) on planning application 6/2021/2178/FULL

    Welwyn Saab 36 Brownfields Welwyn Garden City AL7 1AN

    Received 24 Nov 2021
  9. Decided - Granted6/2018/1891/EIA

    Request for a Screening Opinion at Ellenbrook Fields - Change of use of land to airfield with runway and support facilities including a clubhouse, hangar and car park with all matters except layout reserved

    Historic DeHavilland Grass Runway, Ellenbrook Fields Hatfield, Business Park, Hatfield, Herts

    Received 18 Jul 2018
  10. Decided - GrantedS6/2005/1534/FP

    ERECTION OF TWO STOREY AND FIRST FLOOR REAR EXTENSION, FIRST FLOOR SIDE AND TWO STOREY AND SINGLE STOREY FRONT EXTENSIONS

    395 St Albans Road West Hatfield AL10 9RU

    Received 12 Dec 2005
  11. Decided - GrantedW6/2014/0672/TE

    Reduce Ash tree located in no.42 and Leyland Cypress tree located in no.38 by 15% and reduce Walnut tree located in no.40 by upto 30%

    40 Mill Green Road, Welwyn Garden City, AL7 3XF

    Received 21 Mar 2014
  12. Decided - Granted6/2022/1911/FULL

    Erection of 1no. agricultural storage building and access road

    Land adjacent to 1 Cromer Hyde Lane Lemsford Hertfordshire AL8 7XE

    Received 16 Aug 2022
  13. Decided6/2020/2554/TC

    Reduce 1 x Magnolia by 2m height & 1m width

    81 Knightsfield Welwyn Garden City AL8 7JE

    Received 2 Oct 2020
  14. Appeal Decided - AllowedS6/2008/2370/LB

    REPLACEMENT WINDOWS AND DOORS TO THE REAR ELEVATION

    43 THE RYDE, HATFIELD, HERTFORDSHIRE, AL9 5DQ

    Received 3 Dec 2008
  15. Decided - Granted6/2019/0350/EM

    Erection of single storey side/rear extensions

    9 Youngs Rise Welwyn Garden City AL8 6RT

    Received 14 Feb 2019
  16. Decided - Granted6/2023/0596/HOUSE

    Erection of ground floor rear extension following the demolition of existing extension and decking

    9 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 16 Mar 2023
  17. Decided - Granted6/2026/0163/HOUSE

    Retention of garage conversion to habitable room, insertion of door and window to front elevation and rooflight with removal of chimney

    11 Cedar Road Hatfield AL10 8NZ

    Received 30 Jan 2026
  18. Decided - RefusedN6/2014/1418/FP

    Erection of first floor rear extension, installation of rooflight and alteration to side elevation to include two new windows

    13 Brockswood Lane, Welwyn Garden City, AL8 7BA

    Received 24 Jun 2014
  19. Decided6/2020/2154/TC

    Hedge (T1) to be cut back to boundary Plum Tree (T2) to fell Sycamore (T3) to remove 1 stem over the boundary of 62 Moorlands and cut back remaining crown to the boundary line or suitable growth point - covered by conservation area

    62 Moorlands Welwyn Garden City AL7 4QG

    Received 24 Aug 2020
  20. Decided6/2025/1820/TC

    Reduce 1 x Cherry Tree via crown reduction removing 2m in height and 1m in width (A1)

    12 Walden Road Welwyn Garden City AL8 7PF

    Received 27 Aug 2025
  21. Decided - Granted6/2019/3175/EM

    Fell 1x Green Gage tree Reduce 1x Willow tree by 2.5m

    47 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 18 Dec 2019
  22. Decided - GrantedS6/2008/1946/LU

    CERTIFICATE OF LAWFULNESS FOR ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS

    7 SWANLAND ROAD, NORTH MYMMS, HERTFORDSHIRE, AL9 7TG

    Received 9 Oct 2008
  23. Decided - RefusedN6/2006/0286/FP

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSION, REAR CONSERVATORY AND FRONT PORCH

    8 Oaklands Rise Welwyn AL6 0RN

    Received 8 Mar 2006
  24. Decided - Granted6/2020/0754/EM

    Erection of a two storey front, single storey rear and first floor side extension

    3 Willow Grove Welwyn Garden City AL8 7NA

    Received 20 Mar 2020

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

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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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