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
39,411Searchable applications
344Recorded as pending
86%Approval rate · 32,967 approved or refused records
4,714Refused applications

28,253 approved · 4,714 refused · 2,161 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2020/1675/LB

    Erection of outbuilding

    Gable House, Warren Wood, Kentish Lane, Hatfield, AL9 6JG

    Received 8 Jul 2020
  2. Decided - Granted6/2021/1993/HOUSE

    Demolition of detached garage, erection of a garage side extension, part single storey part two storey rear extension. Installation of window in existing side elevation.

    2 Dognell Green Welwyn Garden City AL8 7BL

    Received 1 Jul 2021
  3. Decided - GrantedW6/2013/1287/TE

    Reduce Three Leylandii trees by 50% and remove a further Seven

    226 Heronswood Road, WELWYN GARDEN CITY, AL7 3JQ

    Received 12 Jun 2013
  4. Decided - GrantedS6/2014/1879/DS

    Approval of details reserved by condition 8 (CCTV Installation) of planning permission S6/2012/1928/PP

    University of Hertfordshire, College Lane, Hatfield, AL10 9AB

    Received 21 Aug 2014
  5. Decided - Granted6/2016/2626/TPO

    Semi pollard willow tree located in rear garden - Conservation Area

    18 Sheepcote Welwyn Garden City AL7 4QD

    Received 12 Dec 2016
  6. Decided - RefusedS6/2009/0291/FP

    ERECTION OF SIDE EXTENSION

    CHESTNUT FARM, WOODFIELD LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 6JJ

    Received 10 Feb 2009
  7. Decided - Granted6/2019/1692/FULL

    Installation of a new sliding window with overhead glass canopy and associated works.

    Asda Superstore 98 Town Centre Hatfield AL10 0JP

    Received 10 Jul 2019
  8. Decided - Granted6/2018/1225/FULL

    Erection of a detached house following demolition of existing including alterations to front drive and garden

    58 Plough Hill Cuffley Potters Bar EN6 4DS

    Received 4 May 2018
  9. Decided - Granted6/2020/3144/EM

    Erect a 3ft high wood panel fence with concrete posts dividing garage drives.

    129 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 24 Nov 2020
  10. Decided - GrantedS6/2013/0449/NM

    Non material amendment following approval of planning permission S6/2011/1829/FP - Change ground floor window to a bay window

    4 Bluebridge Avenue, Brookmans Park, HATFIELD, AL9 7RZ

    Received 7 Mar 2013
  11. Decided - Refused6/2025/2441/HOUSE

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

    12 Brocket Road Welwyn Garden City AL8 7TY

    Received 21 Nov 2025
  12. Decided - Granted6/2016/2719/COND

    Approval of details reserved by condition no's 5 (landscapes), 6 (lighting), 8 (contaminated land statement) and 13 (entrance barrier) on planning permission 9/2016/0913/FULL

    Land Adjacent Great North Road Great North Road Stanborough Welwyn Garden City AL8 7TE

    Received 23 Dec 2016
  13. Decided - GrantedN6/2006/0323/FP

    ERECTION OF REAR CONSERVATORY

    17 Sefton Court Welwyn Garden City AL8 6WW

    Received 16 Mar 2006
  14. Decided - Granted6/2018/3102/COND

    Submission of details pursuant to condition 2 (No development above ground level in any phase of the development shall take place until samples of the materials have been submitted) on planning permission 6/2018/2136/HOUSE

    12 Stanborough Mews Welwyn Garden City AL8 6DB

    Received 4 Dec 2018
  15. Decided - GrantedW6/2009/1414/EM

    PROPOSED FIRST FLOOR REAR EXTENSION

    80 CHEQUERS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4TA

    Received 6 Jul 2009
  16. Decided6/2026/1497/TC

    1 x Holly to reduce height by approximately 3m height 1 x Lawson cypress to reduce by approximately 2.5m in height. 1 x Plum to reduce height by approximately 3m Above 3 are domination side of the garden, they are thick dense and evergreen. Reducing to allow more light into garden and control the size 1 x Apple to reduce lateral branches over lawn area by approximately 2m to reduce lateral branches over lawn to maintain size of tree & provide more space and light to lawn area 1 x Ash to reduce lateral branches over lawn area by approximately 2m to reduce lateral branches as now crossing half the garden and blocking light

    2 Valley Road Welwyn Garden City AL8 7DF

    Received 25 Aug 2026
  17. Decided - Granted6/2021/2530/LAWP

    Certificate of lawfulness for the erection of paving blocks to provide additional car parking space and the removal of a small shrub area on driveway

    20 Great North Road Welwyn AL6 0PS

    Received 31 Aug 2021
  18. Decided - GrantedN6/2006/0226/FP

    ERECTION OF REAR CONSERVATORY

    1 Margery Wood Welwyn Garden City AL7 1UN

    Received 22 Feb 2006
  19. Decided - Refused6/2021/0508/FULL

    Extension of warehouse canopy. Retrospective consent of warehouse canopy.

    Lighting Packaging Supplies Frobisher Way Hatfield AL10 9TY

    Received 16 Feb 2021
  20. Decided - Granted6/2019/0720/COND

    Submission of details pursuant to condition 2 (Construction Environmental Management Plan (CEMP:Biodiversity)) on planning permission 6/2018/2809/MAJ

    Queen Elizabeth Ii Hospital Howlands Welwyn Garden City AL7 4HQ

    Received 26 Mar 2019
  21. Decided - GrantedW6/2008/0140/EM

    EXTENSION TO VEHICLE HARDSTANDING

    24 WOODLAND RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LF

    Received 24 Jan 2008
  22. Decided - Withdrawn6/2017/2963/VAR

    Variation of condition 2 (drawings) and 4 (materials) on planning permission N6/2012/2538/FP, dated 24/05/2013

    The Orchard House 53 Brockswood Lane Welwyn Garden City AL8 7BU

    Received 22 Dec 2017
  23. Decided - GrantedN6/2004/1354/FP

    ERECTION OF NEW ENTRANCE DOORS AND PORCH

    64- 86 STANBOROUGH GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XH

    Received 7 Sept 2004
  24. Decided - Granted6/2021/3182/HOUSE

    Erection of a single storey rear extension

    26 Heronfield Little Heath Potters Bar EN6 1JA

    Received 8 Nov 2021

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
  • 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