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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 10 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/2189/EMT

    T1 Sycamore to crown reduce by 2-3 metres all round. T2 Robinia to crown reduce by 2-3 metres all round. T3 Purple leaf plum to remove 'water shoots' and balance crown.

    21 Valley Road Welwyn Garden City AL8 7DH

    Received 14 Oct 2025
  2. Decided - Granted6/2023/0560/HOUSE

    Erection of a first floor side extension, loft conversion including the raising of the roof ridge to create a crown roof and insertion of front and rear dormers and side rooflights, front garage extension, new front porch and alterations to fenestration.

    5 Mymms Drive Brookmans Park AL9 7AE

    Received 13 Mar 2023
  3. Decided - WithdrawnN6/2007/1265/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION AND FRONT ENTRANCE STAIRWAY

    12 Rosecroft Lane Welwyn AL6 0UB

    Received 22 Aug 2007
  4. Decided - Refused6/2016/2174/COND

    Approval of details reserved by condition 2 (Materials) on planning permission N6/2004/1136/FP

    Fountain House, 1-7 Howardsgate, Welwyn Garden City, AL8 6AL

    Received 17 Oct 2016
  5. Decided - Granted6/2024/0755/COND

    Submission of details pursuant of condition 5 (detailed surface water drainage scheme) and 28 (drainage scheme) on planning permission 6/2019/3024/MAJ

    29 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 23 Apr 2024
  6. Decided - Granted6/2022/0501/TPO

    Reduction of 3-4 branches by 4m of Cedar Tree overhanging roofline, described at T1 in TPO 555 (2016), to prevent squirrels entering property. (S6/2013/0699/TP)

    1 Burleigh Mead Hatfield AL9 5ED

    Received 2 Mar 2022
  7. Decided - Granted6/2025/1681/LB

    Erection of a rear extension, new garage, following demolition of existing. Front wall to be rebuilt and new step and internal alterations including works to the fireplaces and doors

    56 Bell Lane Brookmans Park AL9 7AY

    Received 5 Aug 2025
  8. Decided6/2017/1535/TPO

    Reduce poplar to 12 ft - Conservation Area

    101 Handside Lane Welwyn Garden City AL8 6SP

    Received 13 Jul 2017
  9. Decided - WithdrawnW6/2014/1049/EM

    Installation of hardstanding and vehicle crossover

    199 Heronswood Road, Welwyn Garden City, AL7 3JH

    Received 14 May 2014
  10. Decided - Granted6/2024/2169/COND

    Submission of details pursuant of condition 1 (landscaping) on planning permission 6/2024/0627/HOUSE

    70 The Meadway Cuffley Potters Bar EN6 4ES

    Received 11 Nov 2024
  11. Decided - RefusedS6/2006/0642/FP

    TWO STOREY FRONT, SINGLE STOREY FRONT AND REAR EXTENSIONS, SIDE PORCH CANOPY, FRONT BALCONY AND ROOF ALTERATIONS

    405 St Albans Road West Hatfield AL10 9RU

    Received 19 May 2006
  12. Decided - GrantedS6/2009/1619/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    52 PEPLINS WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UU

    Received 28 Jul 2009
  13. Decided - Granted6/2019/0509/EM

    Pruning 2 x Sycamore trees by 30%

    11 The Valley Green Welwyn Garden City AL8 7DQ

    Received 7 Mar 2019
  14. Decided - Granted6/2024/0162/PN8

    Prior approval for the erection of two single storey rear extensions measuring 8m in depth, 2.78m in height and 2.78m to the eaves

    35 Codicote Road Welwyn AL6 9TT

    Received 29 Jan 2024
  15. Decided - Refused6/2020/1820/HOUSE

    Installation of 2x front rooflights and rear dormer to facilitate conversion of loft into habitable space

    10 Tomsfield Hatfield AL10 9TB

    Received 23 Jul 2020
  16. Decided - Granted6/2019/0219/HOUSE

    Erection of single storey rear extension

    8 Pine Grove Brookmans Park Hatfield AL9 7BS

    Received 31 Jan 2019
  17. Decided - Granted6/2022/1190/FULL

    Construction and operation of an urban reserve energy storage facility and associated equipment

    Welwyn Power Land on the west side of Tewin Road Welwyn Garden City AL7 1BH

    Received 24 May 2022
  18. Decided - GrantedW6/2007/0818/EM

    FORMATION OF VEHICLE HARDSTANDING

    80 Knightsfield, Welwyn Garden City, AL8 7HB

    Received 7 Jun 2007
  19. Decided - GrantedS6/2008/1822/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    4 WILKINS GREEN LANE, HATFIELD, HERTFORDSHIRE, AL10 9RT

    Received 23 Sept 2008
  20. Decided - Granted6/2022/2553/HOUSE

    Erection of a single storey rear extension following the demolition of the existing conservatory and alterations to front garden to facilitate one new car parking space and new vehicle crossover

    33 Thistle Grove Welwyn Garden City AL7 4AD

    Received 8 Nov 2022
  21. Appeal Decided - AllowedS6/2014/1456/FP

    Erection of two detached dwellings

    Land rear of, 315 St Albans Road West, Hatfield, AL10 9RJ

    Received 1 Jul 2014
  22. Decided - SplitN6/2010/0031/NM

    NON-MATERIAL AMENDMENT TO PLANNING PERMISSION N6/2008/0804/FP

    39 London Road Woolmer Green Knebworth SG3 6JE

    Received 13 Jan 2010
  23. Decided - RefusedS6/2008/1094/FP

    ROOF ALTERATIONS COMPRISING AN INCREASE IN RIDGE HEIGHT, REAR EXTENSION, HIP TO PART GABLE ALTERATION AND SIDE DORMERS

    5 BURLEIGH WAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4LJ

    Received 8 Jul 2008
  24. Decided - Refused6/2020/0793/COND

    Submission of details pursuant to condition 11 (sustainable drainage scheme management plan) on planning permission 6/2018/0598/MAJ

    Ponsbourne Grange Ponsbourne Park Newgate Street Hertford SG13 8QS

    Received 26 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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    Planning application documents: what to read first

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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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