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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
40,233Searchable applications
309Recorded as pending
86%Approval rate · 33,741 approved or refused records
4,811Refused applications

28,930 approved · 4,811 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedC6/1987/0825/FP

    Use of industrial premises (Class B2) for business use (Class B1)

    20 Tewin Road, Welwyn Garden City, AL7 1LG

    Received 1 Jan 1987
  2. Decided - Granted6/2020/1896/COND

    Submission of details pursuant to condition 1 (crown roof details) on planning permission 6/2020/0643/HOUSE

    2 The Grove Hatfield AL9 7RN

    Received 31 Jul 2020
  3. Decided - Withdrawn6/2025/2183/TC

    1 Lawsonia Conifer, poorly sited, fell to ground level

    27 Newgate Street Village Hertford SG13 8RA

    Received 14 Oct 2025
  4. Decided - Refused6/2024/0151/PN8

    Prior approval for the erection of a single storey rear extension measuring 5.50m in depth, 2.80m in height and 2.50m to the eaves

    17 Thrush Avenue Hatfield AL10 8QU

    Received 25 Jan 2024
  5. Decided - Granted6/2022/1311/PN8

    Prior approval for rear single storey extension

    76 Cherry Way Hatfield Hertfordshire AL10 8LD

    Received 7 Jun 2022
  6. Decided - RefusedN6/2013/2293/LUP

    Certificate of lawfulness for proposed vehicle hardstanding and crossover

    254 Howlands, Welwyn Garden City, AL7 4HF

    Received 25 Oct 2013
  7. Decided - GrantedS6/2004/0557/FP

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSION

    4 The Close Brookmans Park Hatfield AL9 7QN

    Received 6 Apr 2004
  8. Decided - Granted6/2021/0418/HOUSE

    Erection of a detached garage.

    3 Mill Green Cottages Mill Green Bush Hall Lane Hatfield AL9 5PB

    Received 10 Feb 2021
  9. Decided6/2021/2964/TC

    To reduce the crown of the tree at 31 Reddings to the previous pruning points Reduce the crown of the tree at 29 Reddings to match; and to thin the remaining crown of both trees by 30% sympathetically.

    31 Reddings Welwyn Garden City AL8 7LA

    Received 15 Oct 2021
  10. Decided - Granted6/2017/1757/TPO

    T1- Reduce Ash tree by 30%, T2 Fell Chestnut tree, T3- Reduce Ash by 30% and T4- Oak tree 30% reduction to lance crown covered by TPO 194

    4 Broadleaf Grove Welwyn Garden City AL8 7AZ

    Received 9 Aug 2017
  11. Decided - Granted6/2019/3214/ADV

    Installation of 1x internally illuminated totem sign and installation of 1x internally illuminated canopy sign

    98 Town Centre Hatfield AL10 0JP

    Received 23 Dec 2019
  12. Decided - Granted6/2019/2898/COND

    Submission of details pursuant to condition 1(Material Samples) on planning permission 6/2019/1054/HOUSE

    125 Handside Lane Welwyn Garden City AL8 6TA

    Received 18 Nov 2019
  13. Decided - Granted6/2026/1553/EMT

    Silver maple to fell

    64 Holwell Road Welwyn Garden City AL7 3RN

    Received 7 Sept 2026
  14. Decided - GrantedN6/2008/0554/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION, FOLLOWING DEMOLITION OF EXISTING EXTENSION

    99 Attimore Road, Welwyn Garden City, AL8 6LG

    Received 11 Mar 2008
  15. DecidedS6/2014/1662/TC

    Reduce height of Irish Yews, reduce 5 english yews by 20% and lift limes and cherry trees to give 3 metre clearance over footpath

    St Ethereldas Church Fore Street Hatfield, AL9 5AN

    Received 22 Jul 2014
  16. Decided - Granted6/2016/2654/HOUSE

    Erection of new boundary wall & railings to match existing gates after removal of Leylandii hedge

    35 Kentish Lane Brookmans Park Hatfield AL9 6NG

    Received 14 Dec 2016
  17. DecidedN6/2008/2279/TC

    REDUCE AND THIN TREES BY 25% IN REAR GARDEN

    16 PENTLEY PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RU

    Received 24 Nov 2008
  18. Decided - GrantedN6/2012/2652/FP

    Loft conversion with dormer window and insertion of window on front elevation of property

    35 Sherrardspark Road, WELWYN GARDEN CITY, AL8 7JY

    Received 19 Dec 2012
  19. Appeal Decided - DismissedS6/2014/1059/FP

    Erection of two storey and single storey rear extensions

    72 New Park Road, Newgate Street, Hertford, SG13 8RF

    Received 15 May 2014
  20. Decided - Granted6/2018/3165/HOUSE

    Erection of single storey rear and side extension

    17 Lark Rise Hatfield AL10 8RN

    Received 11 Dec 2018
  21. Decided - Granted6/2017/0315/HOUSE

    Erection of single storey rear extension and installation of 2 rooflights.

    47 Handside Lane Welwyn Garden City AL8 6SH

    Received 17 Feb 2017
  22. Decided - Granted6/2025/2422/EMT

    1 x Norway maple to reduce to maintain suitable size and shape, previous pruning has left large decayed pruning wounds with poor regrowth attachment. Pruning will not exceed previous pruning points. 1 x Cherry to reduce size to maintain suitable size and shape.

    19 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 18 Nov 2025
  23. Decided - RefusedN6/2008/1035/FP

    ERECTION OF SINGLE STOREY SIDE AND TWO STOREY REAR EXTENSIONS FOLLOWING DEMOLITION OF EXISTING SINGLE STOREY ELEMENTS

    Well Cottage 10 Pennyfathers Lane Welwyn AL6 0EN

    Received 3 Jul 2008
  24. Decided - Granted6/2019/0029/PN8

    Prior approval for erection of a single storey rear extension measuring 8m in depth,3.74m in width and 2.8m in height

    74 Brocket Road Welwyn Garden City AL8 7TU

    Received 4 Jan 2019

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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  • 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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