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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
33,930Searchable applications
313Recorded as pending
87%Approval rate · 28,389 approved or refused records
3,726Refused applications

24,663 approved · 3,726 refused · 1,766 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 21 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/0038/DC3

    Installation of 2 x illuminated hanging signs and 1 x hanging sign

    Campus West, The Campus, WELWYN GARDEN CITY, AL8 6BX

    Received 4 Jan 2013
  2. Decided - GrantedE6/1948/0667/

    Private garage

    37 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 15 Jun 1948
  3. Decided - Granted6/2021/1039/EMH

    Erection of a single storey rear & side extension following demolition of existing conservatory and outbuilding, and insertion of new side access door to main dwelling.

    57 Monkswood Welwyn Garden City AL8 7EF

    Received 29 Mar 2021
  4. Decided - Granted6/2026/0142/HOUSE

    Erection of a porch, front extension, first floor side/rear infill extension, replacement of front dormer windows and alterations to openings

    5 Broom Hill Welwyn AL6 0SF

    Received 28 Jan 2026
  5. Decided - Granted6/2018/2648/FULL

    Erection of dwelling and garage, reinstatement of existing access/crossover and associated hard and soft landscaping following demolition of existing stable complex and barn/workshop buildings

    Bell Bar Farm, Woodside Lane, Hatfield, AL9 6DE

    Received 16 Oct 2018
  6. Decided - Granted6/2026/0582/EMT

    1 x Plum to fell

    31 Attimore Road Welwyn Garden City AL8 6LQ

    Received 1 Apr 2026
  7. Decided - Refused6/2020/2157/HOUSE

    Erection of side and rear extension and roof extensions with dormer window to front.

    10 Hillside Way Welwyn AL6 0TY

    Received 25 Aug 2020
  8. Decided - GrantedN6/2009/2239/TP

    REMOVE DEADWOOD AND EPICORMIC GROWTH FROM LIME TREES (T1, T2 & T3) COVERED BY TPO 4

    THE VICARAGE, 48 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HH

    Received 9 Oct 2009
  9. Decided - GrantedN6/2013/2494/DS

    Discharge of condition 3 of planning permission N6/2010/1287/FP

    1 Reddings, Welwyn Garden City, AL8 7LA

    Received 21 Nov 2013
  10. Decided - Granted6/2022/0793/EM

    Erection of garden office

    19 Cloverfield Welwyn Garden City AL7 1EG

    Received 31 Mar 2022
  11. Decided - RefusedW6/2013/1641/EM

    Loft conversion incorporating rear dormer window and two roof lights to front roof slope

    113 Guessens Road, Welwyn Garden City, AL8 6RE

    Received 30 Jul 2013
  12. Decided - Granted6/2023/1583/HOUSE

    Erection of single storey front extension, following demolition of existing porch and insertion of 2 no windows to side elevation

    145 Blythway Welwyn Garden City AL7 1DS

    Received 31 Jul 2023
  13. Decided - Granted6/2015/1902/HOUSE

    Erection of a two storey front and side extension, single storey rear extension, installation of raised decking and internal alterations.

    51 Warren Way Digswell Welwyn AL6 0DL

    Received 9 Sept 2015
  14. Decided - Granted6/2015/2391/HOUSE

    Erection of single storey rear extension/orangery

    19 Heather Road, Welwyn Garden City, AL8 6XX

    Received 26 Nov 2015
  15. Decided - GrantedS6/2014/1566/LB

    Seperation of unlisted number 15 park street from listed building 7-11 Park Street to create a new dwelling, and installation of gate access to wall and fence

    7-15 Park Street, Hatfield, AL9 5AT

    Received 7 Jul 2014
  16. Decided - Granted6/2017/2208/HOUSE

    Erection of a two storey side extension and single storey rear extension following demolition of attached garage

    189 Boundary Lane Welwyn Garden City AL7 4EJ

    Received 28 Sept 2017
  17. Decided - Granted6/2021/3017/EM

    Erection of a single storey detched outbuilding to rear for use as a office

    74 Carve Ley Welwyn Garden City AL7 3HH

    Received 20 Oct 2021
  18. Decided6/2020/0635/TC

    Fell 1 x Thuja Tree [T6]

    39 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 5 Mar 2020
  19. Decided - Granted6/2015/1709/HOUSE

    Erection of single storey rear extension

    17 Halifax Way, Welwyn Garden City, AL7 2QH

    Received 10 Aug 2015
  20. Decided - Granted6/2024/1824/COND

    Submission of details pursuant to condition number 3 (Hard and Soft Landscaping) on planning permission 6/2021/1339/FULL

    44 Mymms Drive Brookmans Park AL9 7AF

    Received 23 Sept 2024
  21. Decided6/2023/0277/TC

    T1 Goat willow, remove 3 low stems, leaving main trunk only. Reduce remaining by 2.5m in height and 1.5m in width. T2 Cherry plum to reduce by 1.5m in height and 1m in width. T3 self set Ash (multistem) to fell to near ground level. T4 Holly to lift to 3.5m above ground, reduce width over lawn by 1.2m

    3 Parkfields Welwyn Garden City AL8 6EE

    Received 6 Feb 2023
  22. Decided - Granted6/2025/0750/HOUSE

    Erection of single storey rear extension and summer house

    16 Marley Road Welwyn Garden City AL7 4BS

    Received 22 Apr 2025
  23. Decided - GrantedW6/2013/2003/TE

    Removal of Three Conifer trees, One Willow tree and One Hornbeam tree

    53 Thistle Grove, WELWYN GARDEN CITY, AL7 4AD

    Received 12 Sept 2013
  24. Decided - Granted6/2022/1420/HOUSE

    Erection of a replacement side/rear extension and alterations to roof

    75 Tolmers Road Cuffley Potters Bar EN6 4JJ

    Received 20 Jun 2022

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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