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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
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2017/0702/MAJ

    Development of a battery storage facility with associated infrastructure.

    Tollgate Farm Tollgate Road North Mymms AL4 0NY

    Received 6 Apr 2017
  2. Decided - Granted6/2020/1645/EMT

    Reduce 1 x Ash Tree by 30% & 20/1646/TC

    79 Newfields Welwyn Garden City AL8 6YS

    Received 30 Jun 2020
  3. Decided - GrantedS6/2015/0015/FP

    Erection of single storey side and rear extension

    39 Broad Acres Hatfield AL10 9LE

    Received 6 Jan 2015
  4. Decided - RefusedW6/2007/1836/EM

    ERECTION OF BRICK WALL AND METAL GATES TO FRONT BOUNDARY AND ERECTION OF TIMBER FENCE TO SIDE

    14 The Commons, Welwyn Garden City, AL7 4RP

    Received 28 Nov 2007
  5. Decided - RefusedS6/2010/0106/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED LOFT CONVERSION INCORPORATING SIDE DORMERS

    49 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 20 Jan 2010
  6. Decided - Granted6/2026/0458/FULL

    Change of use of amenity land to parking, 2 new parking spaces and dropped kerb

    1 Magpie Walk Hatfield AL10 8RF

    Received 12 Mar 2026
  7. Decided - GrantedN6/2009/1967/TE

    REMOVAL OF TWO ASH TREES T1 & T2 IN REAR GARDEN AND REDUCE THE CROWN OF T3, A CHERRY BY 20%

    130 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RG

    Received 2 Sept 2009
  8. Decided - Granted6/2015/2026/HOUSE

    Erection of single storey rear extension

    32 Station Road Welham Green Hatfield AL9 7PG

    Received 30 Sept 2015
  9. Decided - Granted6/2016/1962/HOUSE

    Erection of first floor rear extension

    12 Camfield, Welwyn Garden City, AL7 4ED

    Received 26 Sept 2016
  10. Decided - RefusedN6/2015/0945/FP

    Erection of two storey side extension

    10 Thumbswood, Welwyn Garden City, AL7 4QE

    Received 1 May 2015
  11. Decided - Granted6/2017/0938/EM

    Fell Ash tree to ground level

    19 Parkfields Welwyn Garden City AL8 6EE

    Received 4 May 2017
  12. Decided - Withdrawn6/2023/0722/OUTLINE

    Outline permission for the erection of 9 dwellings following demolition of the existing built form with all matters reserved

    9 The Avenue Welwyn Hertfordshire AL6 0PN

    Received 30 Mar 2023
  13. Decided - RefusedN6/2004/0938/FP

    ERECTION OF A PART SINGLE STOREY PART TWO STOREY REAR EXTENSION

    11 Cowper Road Welwyn Garden City AL7 3LT

    Received 21 Jun 2004
  14. Decided - GrantedS6/2014/0250/DS

    Discharge of condition 5 (contractors site layout during construction period) of S6/2011/0678/S73B - erection of 9 apartments in 3 blocks with associated car parking and landscaping (time extension to planning permission S6/2008/0670/FP)

    2 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BY

    Received 30 Jan 2014
  15. Decided - Granted6/2026/0381/EM

    Proposed part conversion of existing garage to facilitate a utility / shower room

    18 Turmore Dale Welwyn Garden City AL8 6HS

    Received 3 Mar 2026
  16. Decided - GrantedW6/2013/0024/EM

    Erection of two storey side and rear extension

    2 Reddings, WELWYN GARDEN CITY, AL8 7LA

    Received 3 Jan 2013
  17. Decided - Granted6/2023/2332/FULL

    Erection of a replacement dwelling following the demolition of the existing dwelling

    54 Brookmans Avenue Brookmans Park Hatfield AL9 7QQ

    Received 20 Nov 2023
  18. Decided - WithdrawnS6/2008/1738/FP

    FORMATION OF NEW CULVERT TO MAIN CAMPUS INCLUDING CULVERT AND BALANCING POND TO SOUTH OF HAWKSHEAD LANE

    THE ROYAL VETERINARY COLLEGE, HAWKSHEAD LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7TA

    Received 6 Sept 2008
  19. Decided - Granted6/2025/0297/EMT

    Reduce 1 x Hazel to reduce by 2m in height, reduce width in easterly direction by 1.5m and westerly by 1.2m. Lift canopy to clear hedge by 1m, remove basal suckers

    60 Bridge Road, Welwyn Garden City, AL8 6UR

    Received 18 Feb 2025
  20. Decided - GrantedS6/2014/2191/TP

    Crown reduction to previous reduction points, prune to minimum of 2m clearance from building and crown lift to 5m beech tree covered by TPO 350 T1. Crown lift by 5m beech tree over car park covered by TPO 350 T2.

    82 Great North Road Hatfield AL9 5BL

    Received 6 Oct 2014
  21. Decided - GrantedN6/2005/0838/FP

    ERECTION OF TWO 2-STOREY REAR EXTENSIONS

    49-51 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JE

    Received 4 Jul 2005
  22. Decided - GrantedC6/1988/0389/DE

    Erection of detached bungalow and garage

    Land adjacent, 15 Digswell Park Road, Welwyn Garden City, AL8 7NW

    Received 1 Jan 1988
  23. Appeal Decided - DismissedN6/2013/1531/FP

    Erection of single storey front extension and part single, part two storey side and rear extension

    5 Carleton Rise Welwyn AL6 9RP

    Received 15 Jul 2013
  24. Decided - GrantedS6/2015/1432/HOUSE

    Internal and external alterations to create guest accommodation, gym/games room and library

    The Barn 5 Lysley Place Brookmans Park Hatfield AL9 6NZ

    Received 3 Jul 2015

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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    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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