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
37,836Searchable applications
335Recorded as pending
86%Approval rate · 31,594 approved or refused records
4,452Refused applications

27,142 approved · 4,452 refused · 2,037 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Refused6/2022/2843/HOUSE

    Erection of part first floor side extension and erection of two storey side/rear extension following the demolition of existing extension

    The Forge Hill Farm Lane Ayot St Lawrence AL6 9BW

    Received 16 Dec 2022
  2. Decided - Granted6/2026/0453/HOUSE

    Erection of a single storey rear extension following the demolition of existing conservatory

    56 Warren Way Digswell Welwyn AL6 0DN

    Received 12 Mar 2026
  3. Decided - GrantedW6/2013/2649/TE

    Reduce Prunus tree by 10%

    Religious Society of Friends, 109 Handside Lane, Welwyn Garden City, AL8 6SP

    Received 6 Dec 2013
  4. Appeal Decided - AllowedS6/2010/0111/OP

    OUTLINE PLANNING APPLICATION FOR RESIDENTIAL DEVELOPMENT OF EXISTING SITE FOLLOWING DEMOLITION OF EXISTING DEPOT BUILDINGS, INCLUDING DETAILS OF MEANS OF ACCESS (ALL OTHER MATTERS RESERVED)

    MOUNT PLEASANT DEPOT, MOUNT PLEASANT LANE, HATFIELD, HERTS, AL9 5PU

    Received 26 Jan 2010
  5. Decided - Refused6/2018/1387/COND

    Submission of details pursuant to condition 1 (noise report) on planning permission 6/2016/2689/FULL, dated 06/04/2017

    The Stables Station Road Welham Green Hatfield AL9 7SE

    Received 23 May 2018
  6. Decided - GrantedS6/2014/0940/HH

    Prior approval for the erection of ground floor rear extension

    2 Gobions Way, Little Heath, Potters Bar, EN6 1NW

    Received 6 May 2014
  7. Decided - Granted6/2023/2531/HOUSE

    Retention of the refurbishment and conversion of a pre-existing garage adjoining a pool enclosure, to an outbuilding for gym/office use

    9 South Drive Cuffley Potters Bar EN6 4HP

    Received 20 Dec 2023
  8. Decided - Granted6/2023/1196/EM

    Installation of 11 PV solar panels on the front (7 panels) and side (4 panels) of the roof

    6 Little Youngs Welwyn Garden City AL8 6SL

    Received 6 Jun 2023
  9. Decided - Granted6/2017/1813/LAWP

    Certificate of lawfulness for the installation of rear dormer window and 4 front rooflights to facilitate loft conversion

    27 Skimpans Close Welham Green Hatfield AL9 7PA

    Received 15 Aug 2017
  10. Decided - Granted6/2024/1351/EMT

    Crown reduction 2 x Beech trees back to previous growth points and remove any major deadwood.

    3 Monks Rise Welwyn Garden City AL8 7NF

    Received 15 Jul 2024
  11. Decided - GrantedN6/2015/1297/DS

    Approval of details reserved by condition 4 (Landscape), 5 (Lighting), 6 (Construction Method Statement), 8 (Drainage) & 9 (Method Statement) of planning permission N6/2014/2384/MA - Erection of building for either a flexible B1, B2 or B8 use or as a mixed use; manufacturing, research and development facility with ancillary office accommodation, storage, car parking, service yard and access

    Former Argos Distribution Depot, 1 Bessemer Road, Welwyn Garden City, AL8 7LU

    Received 18 Jun 2015
  12. Decided6/2022/2574/TC

    Removal of large sycamore tree which over hangs two other neighbours gardens and has become too large for its position over the last 10yrs Removal of 6 conifers Trees will be replaced by new shrubs more suited to size of the garden

    29 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 10 Nov 2022
  13. Decided - GrantedW6/2015/1242/EM

    New front door and canopy and alterations to brick step to enlarge the lower of the two steps

    54 Parkway Welwyn Garden City AL8 6HH

    Received 16 Jun 2015
  14. Decided6/2019/2417/TC

    Reduce 1 x London Plain tree by 3m Reduce 1 x Hornbeam tree by 3m

    Unit 53 The Howard Centre Howardsgate Welwyn Garden City AL8 6HA

    Received 30 Sept 2019
  15. Decided - Granted6/2016/1548/HOUSE

    Conversion of existing garage and existing loft to include insertion of front and rear dormers

    30 Sherrardspark Road, Welwyn Garden City, AL8 7JS

    Received 29 Jul 2016
  16. Decided - WithdrawnN6/2014/1909/LUP

    Certificate of lawfulness for proposed alteration and extension to roof

    8 Mardley Hill Welwyn AL6 0TN

    Received 27 Aug 2014
  17. Decided - Granted6/2019/2149/EM

    Fell 2 x Conifers trees

    39 Digswell Road Welwyn Garden City AL8 7PB

    Received 29 Aug 2019
  18. Decided - Refused6/2018/3271/HOUSE

    Installation of 1 front and 1 rear dormer to facilitate extension of existing first floor by raising the roof with alterations to openings

    33 The Avenue Welwyn AL6 0PW

    Received 27 Dec 2018
  19. Decided - Granted6/2016/2142/COND

    Approval of details reserved by condition 2 (Materials) and condition 3 (Hard and Soft Landscaping) on planning permission S6/2015/1391/FULL

    55 Moffats Lane, Brookmans Park, Hatfield, AL9 7RT

    Received 14 Oct 2016
  20. Appeal Decided - Dismissed6/2024/0636/HOUSE

    Erection of a two storey side and rear extension, internal alterations, alterations to the roof to include rear dormer, front rooflights and hip to gable roof

    5 Selwyn Crescent Hatfield AL10 9NL

    Received 4 Apr 2024
  21. Decided - Granted6/2025/1518/HOUSE

    Erection of a first floor rear extension

    4 Holly Road Woolmer Green SG3 6LL

    Received 14 Jul 2025
  22. Decided - GrantedW6/2014/2754/EM

    Erection of a single storey side extension

    119 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 23 Dec 2014
  23. Decided - Granted6/2016/1185/EM

    Refurbishment of existing front door and enclosure of existing recessed storm porch

    11 Russellcroft Road, Welwyn Garden City, AL8 6QY

    Received 8 Jun 2016
  24. Decided - Granted6/2020/0646/FULL

    Replacement of doors and windows.

    Flats 9, 11, 12, 16, 17 and 24, Sunninghill Mews Welwyn Garden City AL7 1UP

    Received 6 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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Guides to planning records

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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

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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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