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
36,645Searchable applications
335Recorded as pending
86%Approval rate · 30,521 approved or refused records
4,192Refused applications

26,329 approved · 4,192 refused · 1,964 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/2002/HOUSE

    Erection of part single, part two storey rear extension following demolition of existing conservatory and erection of single storey side porch

    20 Roe Green Close Hatfield AL10 9PE

    Received 12 Aug 2019
  2. Decided - Granted6/2021/0919/EM

    Replace existing conservatory with single story rear extension and add porch to front.

    3 Scotts View Welwyn Garden City AL8 6HF

    Received 22 Mar 2021
  3. Decided - Withdrawn6/2021/1734/FULL

    Change of use from retail (use class E(a)) to taxi booking office (sui generis)

    Unit 1 Station Booking Hall Hatfield Railway Station 79 Great North Road Hatfield AL9 5AB

    Received 2 Jun 2021
  4. Decided - WithdrawnN6/2014/0342/FP

    Erection of single storey rear extension and removal of existing brickwork shed - INVALID APP

    9 Monkswood, Welwyn Garden City, AL8 7EF

    Received 13 Feb 2014
  5. Decided - Refused6/2018/2247/EM

    Erection of a part single, part two storey rear and side extension

    50 Marley Road Welwyn Garden City AL7 4BS

    Received 30 Aug 2018
  6. Decided - Withdrawn6/2016/1078/FULL

    Erection of 5no dwellings following demolition of two dwellings

    8-10 Wendover Drive Welwyn AL6 9LT

    Received 1 Jun 2016
  7. Decided - Granted6/2023/1946/EMT

    Group of Sycamore to reduce in height to leave approximately 1.8m above ground level 1 x Leyland Cypress to reduce back to clear building by approximately 3m

    Homestead Court Hotel Homestead Lane Welwyn Garden City AL7 4LX

    Received 20 Sept 2023
  8. Decided - Refused6/2018/3128/HOUSE

    Erection of a part two storey, part first floor rear extension

    4 Coneydale Welwyn Garden City AL8 7RY

    Received 7 Dec 2018
  9. Appeal Decided - Dismissed6/2025/0427/HOUSE

    Erection of part single-storey, part two-storey front, side and rear extensions and new rear dormer

    25 The Avenue Welwyn AL6 0PW

    Received 7 Mar 2025
  10. Decided - Granted6/2024/2448/EMT

    T1 Holly to crown reduce by 40%

    16 Attimore Road Welwyn Garden City AL8 6LW

    Received 31 Dec 2024
  11. Decided - Refused6/2018/2311/EM

    Erection of fence following removal of conifer hedge

    11 Willow Grove Welwyn Garden City AL8 7NA

    Received 10 Sept 2018
  12. Decided - GrantedN6/2008/0740/FP

    CONVERSION OF EXISTING GARAGE TO HABITABLE ROOM

    73 LORDSWOOD, WELWYN GARDEN CITY, HeERTFORDSHIRE, AL7 2HG

    Received 28 Apr 2008
  13. Decided - Granted6/2018/2384/EM

    Erection of single storey side and rear extension. Installation of front hardstanding and rear patio with associated landscaping to existing hedges

    37 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 18 Sept 2018
  14. Decided - Granted6/2015/2004/HOUSE

    Erection of single storey side and rear extension

    87 Peplins Way, Brookmans Park, Hatfield, AL9 7UT

    Received 28 Sept 2015
  15. Decided - Granted6/2019/0292/HOUSE

    Erection of a single storey side/rear extension and garage conversion with associated works

    East House Digswell Place Rectory Road Welwyn Garden City AL8 7SU

    Received 8 Feb 2019
  16. Decided - Refused6/2022/2428/HOUSE

    Erection of single storey rear and single storey front extensions

    58 Tolmers Road Cuffley Potters Bar EN6 4JY

    Received 19 Oct 2022
  17. Decided - GrantedN6/2014/0896/DS

    Discharge of conditions 5 (Construction Method Statement) and 6 (Energy Efficiency Measures) of planning permission N6/2013/1938/MA

    Welwyn Hatfield Borough Council, Campus East, The Campus, Welwyn Garden City, AL8 6AE

    Received 1 May 2014
  18. Decided - GrantedN6/2009/1323/TP

    REDUCE DEAD TOP OF SWEET CHESTNUT TO LIVE GROWTH AND CUT INTO RINGS. REDUCE SWEET CHESTNUT TO ELBOW AND REMOVAL OF FAULTED STEM OF HORNBEAM

    Oak Trees 3 Briary Wood End Welwyn AL6 0TD

    Received 22 Jun 2009
  19. Decided - Granted6/2026/0841/COND

    Submission of details pursuant to condition 1 (Material Schedule), condition 2 (Doors and Windows Details) and condition 3 (Hard and soft landscaping), condition 4 (replacement tree) on planning permission 6/2026/0165/HOUSE

    1 Mannicotts Welwyn Garden City AL8 7BW

    Received 13 May 2026
  20. Decided - Granted6/2021/0623/EMT

    Removal of conifer tree

    35 Cherry Croft Welwyn Garden City AL8 7QU

    Received 25 Feb 2021
  21. Decided - GrantedN6/2013/1905/TC

    Reduce crown of Robinia tree by 30%

    8 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 28 Aug 2013
  22. Decided - GrantedS6/2007/1892/FP

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSION AND FRONT PORCH

    19 Briars Lane Hatfield AL10 8ES

    Received 20 Dec 2007
  23. Decided - Granted6/2021/2533/LAWE

    Certificate of lawfulness for existing hip to gable loft extension

    33 Swanley Crescent Little Heath Potters Bar EN6 1NQ

    Received 31 Aug 2021
  24. Decided - GrantedN6/2009/2033/LU

    CERTIFICATE OF LAWFULNESS FOR A PROPOSED SINGLE STOREY REAR EXTENSION

    183 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7QG

    Received 15 Sept 2009

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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  • 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