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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2008/0756/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS WITH NEW ROOF DORMERS

    93 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BG

    Received 3 May 2008
  2. Decided - Granted6/2024/0654/EM

    Installation of 14 solar panels to roof

    76 Pentley Park Welwyn Garden City AL8 7SG

    Received 5 Apr 2024
  3. Decided - Split6/2019/1171/COND

    Submission of details pursuant to condition 9( Materials) planning permission 6/2017/0848/MAJ

    Entech House London Road Woolmer Green SG3 6JE

    Received 15 May 2019
  4. Decided - GrantedN6/2009/0107/DS

    DISCHARGE OF CONDITION 4 FROM PLANNING DECISION NOTICE N6/2008/2094/FP

    39 Great Ley, Welwyn Garden City, AL7 4TJ

    Received 20 Jan 2009
  5. Decided - GrantedN6/2015/0044/FP

    Erection of a single storey rear extension with parapet wall and installation of new garage door to front elevation

    1 Valley Road, Welwyn Garden City, AL8 7DG

    Received 12 Jan 2015
  6. Decided - Granted6/2016/2336/TPO

    Removal of 6 Conifer trees - Conservation Area

    Land adjacent to 1 - 37 Guessens Court Welwyn Garden City AL8 6RB

    Received 3 Nov 2016
  7. Decided - Granted6/2020/1831/COND

    Submission of details pursuant to condition 14 (play area details) on planning permission 6/2019/1067/MAJ

    Hill-Top Neighbourhood Centre High View Hatfield AL10 8HZ

    Received 24 Jul 2020
  8. Decided - Refused6/2021/0472/LAWP

    Conversion of existing detached garage into annexe

    7 Oaklea Welwyn AL6 0PT

    Received 15 Feb 2021
  9. Decided - Withdrawn6/2016/2096/TPO

    Removal of Dawn Redwood tree covered by TPO 39 (1978)

    8 Jenning Wood Welwyn AL6 0SL

    Received 10 Oct 2016
  10. Appeal Decided - Allowed6/2024/1524/HOUSE

    Erection of a single storey rear extension and roof alterations to include side and front facing dormers

    16 Burleigh Way Cuffley EN6 4LG

    Received 12 Aug 2024
  11. Decided - RefusedN6/2013/0020/TC

    Reduce Beech tree by 50%

    The Doves, Hill Farm Lane, Ayot St Lawrence, WELWYN, AL6 9BU

    Received 9 Jan 2013
  12. Decided - GrantedS6/2004/1144/FP

    REPLACEMENT DWELLING HOUSE

    14 The Ridgeway Cuffley Potters Bar EN6 4AR

    Received 26 Jul 2004
  13. Decided - Granted6/2021/1139/EM

    Single storey front porch infill extension and garage conversion. Single storey rear extension and insertion of new window to existing front elevation

    6 Robin Mead Welwyn Garden City AL7 1PP

    Received 7 Apr 2021
  14. Decided - GrantedN6/2009/0307/FP

    ERECTION OF REAR CONSERVATORY

    12 Maran Avenue Welwyn AL6 9HS

    Received 20 Feb 2009
  15. Decided - WithdrawnN6/2013/0679/FP

    Erection of two storey and single storey rear extension

    53 Handside Lane, WELWYN GARDEN CITY, AL8 6SH

    Received 2 Apr 2013
  16. Decided - Granted6/2018/0060/HOUSE

    Erection of part single, part two storey rear extension

    45 Valley Road Welwyn Garden City AL8 7DH

    Received 8 Jan 2018
  17. Decided - Granted6/2025/1530/EMT

    Neighbours 1 x oak to reduce lateral branches over bungalow and garden area by 3m up to a height of 6m. Linked to application 6/2025/1041/TC.

    33 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 16 Jul 2025
  18. Decided6/2024/1178/TC

    Hawthorn to reduce by approximately 2m height and width. Hazel to reduce by approximately 2m height and width.

    5 High Grove Welwyn Garden City AL8 7DW

    Received 24 Jun 2024
  19. Decided - Granted6/2022/2542/EM

    Installation of solar panels to an existing garage roof

    118 Dawley Welwyn Garden City AL7 1DX

    Received 7 Nov 2022
  20. Decided - Refused6/2017/2307/EM

    Erection of a single storey rear extension

    4 Peartree Court Welwyn Garden City AL7 3XN

    Received 9 Oct 2017
  21. Decided - GrantedW6/2013/2246/EM

    Demolition of existing side extension and erection of single storey side extension along with alterations to roof and windows at single storey level

    7 Densley Close, Welwyn Garden City, AL8 7JX

    Received 24 Oct 2013
  22. Decided - Granted6/2023/1182/HOUSE

    Installation of front facing window to facilitate conversion of garage into habitable space, alteration of roof form from hipped to crown and erection of a ground floor rear infill and first floor rear extension

    3 Tolmers Avenue Cuffley Potters Bar EN6 4QE

    Received 5 Jun 2023
  23. Decided - WithdrawnS6/2013/0550/FP

    Erection of proposed 'Click and Collect' customer collection pod and canopy

    Tesco Stores Ltd Great North Road Hatfield AL9 5JY

    Received 14 Mar 2013
  24. Decided - Granted6/2020/2367/EMT

    Reduction in height of existing Leylandii on boundary by approx. 45%

    8 Marsden Green Welwyn Garden City AL8 6YA

    Received 15 Sept 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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • 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.

  • 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.

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.

Check collection coverage