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
37,430Searchable applications
335Recorded as pending
86%Approval rate · 31,224 approved or refused records
4,351Refused applications

26,873 approved · 4,351 refused · 2,016 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/1309/EM

    Removal of side door

    44 Longcroft Lane, Welwyn Garden City, AL8 6EF

    Received 3 Jun 2019
  2. Decided - Granted6/2020/2184/LB

    Internal alterations and installation of roof lantern to Guessens and erection of a new conservatory to Little Guessens

    Little Guessens 6 Codicote Road Welwyn AL6 9NB

    Received 27 Aug 2020
  3. Decided - Granted6/2022/1064/HOUSE

    Erection of outbuilding after the demolition of existing garages

    13 Stacklands Welwyn Garden City AL8 6XW

    Received 6 May 2022
  4. Decided - Granted6/2020/1191/HOUSE

    Erection of a single storey rear extension to include proposed flue, loft conversion to include the installation of 2 x rear dormers and insertion of 1 x rear facing roof light. Works to also include removal of existing chimney breast and erection of false chimney, plus alterations to openings.

    196 Blythway Welwyn Garden City AL7 1DU

    Received 28 May 2020
  5. Decided - GrantedW6/2009/0917/EM

    ERECTION OF FIRST FLOOR SIDE EXTENSION AND INSERTION OF WINDOW

    279 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RA

    Received 20 Apr 2009
  6. Decided - GrantedC6/1988/0489/FP

    First floor side extension

    4 High Road, Hatfield, AL9 6HW

    Received 1 Jan 1988
  7. Decided - Granted6/2016/0945/COND

    Approval of details reserved by condition 8 (surface water drainage) on planning application S6/2015/1061/MA

    Plot 6000, Hatfield Avenue, Hatfield Business Park, Hatfield, AL10 9UA

    Received 16 May 2016
  8. Decided - Granted6/2020/0005/VAR

    Variation of condition 2 (obscured windows) on planning permission 6/2018/2192/HOUSE

    7 Witchford Welwyn Garden City AL7 2PR

    Received 6 Jan 2020
  9. Decided - GrantedN6/2013/2536/TC

    Removal of Dead Conifer tree

    24 Elmwood, Welwyn Garden City, AL8 6LE

    Received 29 Nov 2013
  10. Decided - GrantedS6/2013/0615/FP

    Erection of single storey rear extension following removal of conservatory

    9 Lowlands Hatfield AL9 5DY

    Received 25 Mar 2013
  11. Decided - GrantedN6/2013/0276/FP

    Installation of ATM and window to front elevation

    Oak Tavern, 61 Moors Walk, WELWYN GARDEN CITY, AL7 2BQ

    Received 8 Feb 2013
  12. Decided - RefusedS6/2009/1029/FP

    ERECTION OF FRONT, SIDE AND REAR SINGLE STOREY EXTENSION AND ROOF ALTERATIONS

    19 HILL RISE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4ED

    Received 14 May 2009
  13. Decided - Granted6/2020/1519/EMT

    Fell 2 x Apple Trees Fell 1 x Beech Tree To replace the removed trees with one more special tree in the front garden.

    3 Homerfield Welwyn Garden City AL8 6QZ

    Received 29 Jun 2020
  14. Decided - GrantedW6/2014/2403/EM

    Formation of gravel vehicular hardstanding

    14 Pitsfield, Welwyn Garden City, AL8 7SJ

    Received 3 Nov 2014
  15. Decided - Granted6/2016/1925/MAJ

    Erection of single storey free standing community two classroom block with sports changing facilities

    Hatfield Community Free School, Briars Lane, Hatfield, AL10 8ES

    Received 19 Sept 2016
  16. Decided - Granted6/2021/1153/HOUSE

    Erection of a single storey front extension

    1 School Road Little Heath Potters Bar EN6 1JW

    Received 9 Apr 2021
  17. Decided - GrantedS6/2008/1261/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    5 PRIMROSE CLOSE, HATFIELD, HERTFORDSHIRE, AL10 8PG

    Received 22 Jul 2008
  18. Decided - Withdrawn6/2019/2636/FULL

    Change of use from bank (A2) to leisure (D2)

    1 Church Street Welwyn AL6 9LN

    Received 21 Oct 2019
  19. Decided - WithdrawnS6/2008/2458/FP

    ERECTION OF TWO STOREY SIDE EXTENSIONS AND FORMATION OF NEW LOWER LEVEL HABITABLE ACCOMMODATION UNDER EXISTING DWELLING, REAR EXTERNAL LANDING AND STEPS TO GARDEN, AND TWO NEW FRONT ENTRANCE GATES AND BOUNDARY WALL WITH RAILINGS AND SIDE BOUNDARY WALLS WITH RAILINGS TO FRONT GARDEN

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

    Received 23 Jan 2009
  20. Decided - Granted6/2024/0893/HOUSE

    Erection of single storey side and rear extension, following demolition of existing conservatory and side extension

    9 Beehive Lane Welwyn Garden City AL7 4BB

    Received 14 May 2024
  21. Decided - Granted6/2016/2369/FULL

    Change of use from A1 (Shops) to A5 (Hot Food Takeaway), installation of extraction system for pizza oven and air attenuation supply to the property, installation of 2no wall mounted condensers, front and side parapet wall

    98 Haldens Welwyn Garden City AL7 1DD

    Received 10 Nov 2016
  22. Decided - GrantedW6/2014/2641/EM

    Replace existing concrete driveway and walkway to front of house with block paving

    16 Rosedale, Welwyn Garden City, AL7 1DR

    Received 3 Dec 2014
  23. Decided - Granted6/2020/0861/COND

    Submission of details pursuant to condition 6 (hard landscaping details) on planning permission 6/2018/2552/FULL (APP/C1950/W/19/3230504)

    Maynard House The Common Hatfield AL10 0NF

    Received 9 Apr 2020
  24. Decided - GrantedS6/2009/1837/LU

    CERTIFICATE OF LAWFULNESS FOR TRIPLE GARAGE WITH STORE AND WASHROOM / WC

    Woodhurst, Cattlegate Road, ENFIELD, EN2 8AU

    Received 21 Aug 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

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