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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/0931/EM

    Installation of a sedum blanket roofing system on single storey garage/annexe roof structure.

    24 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 17 Apr 2019
  2. Decided - Granted6/2025/0176/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.3m in depth, 3.15m in height and 3m to the eaves

    4 Broomfield Road Welwyn AL6 9DW

    Received 3 Feb 2025
  3. Decided - Withdrawn6/2025/0023/EM

    Installation of electric car charging point

    135 Handside Lane Welwyn Garden City AL8 6TA

    Received 7 Jan 2025
  4. Decided - GrantedN6/2007/1371/FP

    ERECTION OF SINGLE STOREY REAR AND SIDE EXTENSION

    68 SPRINGFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XN

    Received 17 Sept 2007
  5. Decided - Granted6/2020/1580/HOUSE

    Erection of single storey rear extension

    51 Kirklands Welwyn Garden City AL8 7RF

    Received 2 Jul 2020
  6. Decided - Withdrawn6/2018/0910/HOUSE

    Erection of single storey rear extension, two storey side extension and alteration to the existing roof to form a crown roof

    1 Warwick Close Cuffley Potters Bar EN6 4RT

    Received 3 Apr 2018
  7. Decided - Granted6/2020/0996/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.6m in depth, 3.00m in height and 3.00m to the eaves

    25 Millfield Welwyn Garden City AL7 2DY

    Received 1 May 2020
  8. Appeal Decided - Allowed6/2021/0729/HOUSE

    Erection of a single storey side extension, entrance porch and part single part two storey rear extension, with associated alterations to openings, following the demolition of existing side extension and porch

    52 Attimore Road Welwyn Garden City AL8 6LP

    Received 5 Mar 2021
  9. Appeal Decided - AllowedS6/2014/0758/FP

    Erection of two storey side, single storey rear and front extensions, loft conversion to include installation of rear dormer and three rooflights

    29 Swanley Bar Lane, Little Heath, Potters Bar, EN6 1NR

    Received 7 Apr 2014
  10. Decided - GrantedN6/2014/0585/DS

    Discharge of condition 3 (materials) of planning permission N6/2013/2567/FP

    4 Beehive Lane, Welwyn Garden City, AL7 4BA

    Received 18 Mar 2014
  11. Decided - Split6/2024/0774/COND

    Submission of details pursuant to condition number 2 (contamination) and 25 (contamination) on planning permission 6/2019/3024/MAJ

    29 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 25 Apr 2024
  12. Decided - Granted6/2022/2164/COND

    Submission of details pursuant to Condition 3a (archaeological significance) on planning permission 6/2021/2125/MAJ

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

    Received 16 Sept 2022
  13. Decided - RefusedS6/2005/1286/FP

    INSTALLATION OF DORMER WINDOWS TO SIDE ELEVATIONS

    11A Kingsmead Cuffley Potters Bar EN6 4AN

    Received 11 Oct 2005
  14. Decided - Granted6/2026/0406/LAWE

    Certificate of lawfulness for the existing use of the property as an HMO (6 Occupants - use class C4)

    15 Wood Vale Hatfield AL10 8TT

    Received 5 Mar 2026
  15. Decided - RefusedN6/2013/2092/AD

    Installation of fascia and projecting sign and window vinyls

    Howardsgate Welwyn Garden City AL8 6BB

    Received 2 Oct 2013
  16. Decided - GrantedS6/2013/2336/DS

    Discharge of condition 3 (materials) of planning permission S6/2013/0687/FP

    Langate, Tylers Causeway, Newgate Street, Hertford, SG13 8QN

    Received 1 Nov 2013
  17. Decided - Granted6/2019/1913/EM

    Erection of brick wall following demolition of existing wall and installation of gate

    26 Birds Close Welwyn Garden City AL7 4AR

    Received 5 Aug 2019
  18. Appeal Decided - DismissedN6/2007/1670/FP

    CONVERSION OF LOFT INCORPORATING A DORMER WINDOW (RETROSPECTIVE APPLICATION)

    29 Wilshere Road Welwyn AL6 9PU

    Received 7 Nov 2007
  19. Decided - Split6/2018/2830/COND

    Submission of details pursuant to condition 21 (cycle store) and 22 (bin store) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 5 Nov 2018
  20. Appeal Decided - Allowed6/2020/2268/MAJ

    Erection of two new buildings comprising 111 residential apartments, access, car and cycle parking, landscaping and ancillary development involving demolition of existing building

    73 Bridge Road East Welwyn Garden City AL7 1UT

    Received 2 Sept 2020
  21. Decided - Granted6/2019/1684/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3.53m in height, and 3m to the eaves

    1 Ellenbrook Crescent Hatfield Herts AL10 9RP

    Received 9 Jul 2019
  22. Decided - Granted6/2017/2289/HOUSE

    Installation of rear dormer window to facilitate loft conversion and installation of window to side elevation

    11 Linces Way Welwyn Garden City AL7 3JN

    Received 5 Oct 2017
  23. Decided - Granted6/2015/2411/TPO

    Crown reduce two Silver birch trees by 30% - Conservation Area.

    9 The Cloisters, Welwyn Garden City, AL8 6DU

    Received 26 Nov 2015
  24. Decided - Granted6/2026/0425/HOUSE

    Erection of single storey rear extension following demolition of existing detached garage

    93 Holloways Lane Welham Green Hatfield AL9 7NU

    Received 9 Mar 2026

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

All planning guides

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    Planning application documents: what to read first

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

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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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