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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - GrantedS6/2015/0017/FP

    Change of use from Sui Generis Use (Nail Salon) to Use Class A5 (Hot Food Takeaway) with internal and external alterations.

    3A Parkhouse Court, Hatfield, AL10 9RQ

    Received 6 Jan 2015
  2. Decided - Granted6/2017/1650/EM

    Replacement of existing windows with UPVC double glazed windows including fan lights

    13 Elmwood Welwyn Garden City AL8 6LD

    Received 27 Jul 2017
  3. Decided - Granted6/2022/0085/HOUSE

    Erection of a new replacement garage after the demolition of existing garage & workshop

    60 Harmer Green Lane Digswell Welwyn AL6 0AW

    Received 13 Jan 2022
  4. Decided - Granted6/2015/1675/HOUSE

    Conversion of loft and installation of two dormer windows

    67 Warrengate Road North Mymms Hatfield AL9 7TT

    Received 7 Aug 2015
  5. Decided - Refused6/2023/1217/PN27

    Prior approval for additional storey/upward extension

    The Bungalow Great North Road Hatfield AL9 6DB

    Received 26 May 2023
  6. Decided - Granted6/2017/0066/EM

    Erection of shed in rear garden measuring 2.4m x 2.1m following the removal of existing shed measuring 2.1m x 2.1m.

    190 Handside Lane Welwyn Garden City AL8 6TD

    Received 16 Jan 2017
  7. Decided - Granted6/2024/0018/LAWP

    Certificate of lawfulness for the erection of single storey side and rear extensions

    Chestnut Farm Woodfield Lane Hatfield AL9 6JJ

    Received 3 Jan 2024
  8. Decided - GrantedN6/2007/1461/FP

    CHANGE OF USE OF AMENITY LAND TO RESIDENTIAL LAND AND FORMATION OF VEHICLE CROSSOVER

    35 RYELANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4LH

    Received 2 Oct 2007
  9. Decided - GrantedW6/2004/0581/EM

    INSTALLATION OF ROOF LIGHT TO REAR ELEVATION AND NEW WINDOW IN GABLE END

    54 Beehive Lane, Welwyn Garden City, AL7 4BP

    Received 22 Apr 2004
  10. Decided - Granted6/2025/1544/EM

    Installation of 10 PV panels on west facing roof

    61 Pentley Park Welwyn Garden City AL8 7SF

    Received 17 Jul 2025
  11. Decided - Granted6/2026/0482/EM

    Single story rear extension with 8 solar panels

    10 Graysfield Welwyn Garden City AL7 4BL

    Received 16 Mar 2026
  12. Decided - Granted6/2026/1192/COND

    Submission of details pursuant to condition number 1 (Construction Traffic Management Plan), condition 2 (Energy-efficient construction materials and processes), condition 3 (Samples of the materials), condition 4 (Hard and soft landscaping), condition 5 (Secure cycle parking), condition 6 (Refuse bin and recycling storage) and condition 7 (Onsite car parking) on planning permission 6/2023/2133/FULL

    26 Huggins Lane Welham Green Hatfield AL9 7LE

    Received 9 Jul 2026
  13. Decided - GrantedS6/2015/0767/HH

    Prior approval for the erection of a single storey rear extension

    76 Brookside Crescent, Potters Bar, EN6 4QJ

    Received 9 Apr 2015
  14. Decided - GrantedS6/2006/0197/FP

    ERECTION OF REAR CONSERVATORY

    51 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 14 Feb 2006
  15. Decided - Granted6/2022/0859/EM

    Replace front door and garage door, with like for like.

    371 Knightsfield Welwyn Garden City AL8 7NB

    Received 11 Apr 2022
  16. Decided - Granted6/2015/2395/COND

    Approval of details reserved by condition 11 (ventilation details) on planning permission S6/2013/2231/MA

    Land at Green Close, Brookmans Park, Hatfield, AL9 7ST

    Received 26 Nov 2015
  17. Decided - GrantedW6/2007/0833/EM

    PROPOSED SINGLE STOREY SIDE AND REAR EXTENSIONS. REMOVAL OF REAR CHIMNEY AND BLOCKING UP OF FRENCH DOORS

    20 Russellcroft Road, Welwyn Garden City, AL8 6QU

    Received 8 Jun 2007
  18. Decided - Granted6/2022/2604/VAR

    Variation of condition 2 (approved plans) on planning permission 6/2022/1728/HOUSE for changes to approved scheme and error on approved drawing

    13 Skimpans Close Welham Green Hatfield Hertfordshire AL9 7PA

    Received 15 Nov 2022
  19. Decided - Granted6/2023/0890/EM

    Installation of a timber garden shed

    33 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 26 Apr 2023
  20. Decided - GrantedN6/2013/1154/FP

    Erection of single storey side extension

    69 Oakdale, WELWYN GARDEN CITY, AL8 7QP

    Received 4 Jun 2013
  21. Decided - Granted6/2018/1264/HOUSE

    Erection of a single storey side and rear extension. Erection of a first floor rear extension. Replacement of existing garage door. Alterations and insertion of windows and doors.

    14 The Jinnings Welwyn Garden City AL7 4QB

    Received 14 May 2018
  22. Appeal Decided - Dismissed6/2022/2775/HOUSE

    Alterations to dormers and crown roof over rear extension

    Flint Cottage Blackhorse Lane South Mimms Hertfordshire EN6 3NB

    Received 6 Dec 2022
  23. Decided - RefusedS6/2007/1068/LB

    ERECTION OF FIRST FLOOR EXTENSION TO EXISTING GARAGE

    2 Woodhill House Kentish Lane Brookmans Park Hatfield AL9 6JY

    Received 16 Jul 2007
  24. Decided - Withdrawn6/2024/2233/TC

    1 x Oak fell and grind out stump

    14 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 20 Nov 2024

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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    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

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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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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