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
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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. Appeal Decided - AllowedN6/2007/1926/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    12 THE LINKS, VALLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DS

    Received 14 Dec 2007
  2. Appeal Decided - DismissedN6/2007/0803/FP

    DEMOLITION OF EXISTING DWELLINGS & GARAGE BLOCK AND ERECTION OF 7 DWELLINGS & ASSOCIATED GARAGING, PARKING & LANDSCAPING

    21, 23 & 25 School lane Welwyn AL6 9PQ

    Received 25 May 2007
  3. Decided - Withdrawn6/2026/0369/EMT

    1 x Oak to clear away fallen stem. Remaining tree to reduce by 5m height & 3m width. Reduce to framework due to recent failure 3 x Limes to reduce lateral branches over parking areas by 2m to reduce lateral branches over parking area 1 x Sycamore to reduce lateral branches by 2m to reduce lateral branches over parking area

    288 Knightsfield Welwyn Garden City AL8 7NQ

    Received 27 Feb 2026
  4. Decided - Granted6/2019/3156/HOUSE

    Erection of single storey front extension

    23A The Ridgeway Cuffley Potters Bar EN6 4BB

    Received 16 Dec 2019
  5. Decided - Granted6/2024/2215/HOUSE

    Installation of a side facing dormer with a hipped tiled roof to facilitate a loft conversion with two fanlight windows and the sloped roofs having 5 roof slope skylight windows.

    5 Akers Court Welwyn AL6 9FF

    Received 18 Nov 2024
  6. Decided - Granted6/2018/0176/EM

    Reduce Cherry tree (T1), Beech tree (T2) and Beech tree (3) all by 20 % - Conservation area

    22 Stanborough Road Welwyn Garden City AL8 6XD

    Received 18 Jan 2018
  7. Decided - GrantedC6/1988/7023/AD

    Illuminated signs and three flagpoles.

    Black Fan Road, Welwyn Garden City, AL7 2JF

    Received 1 Jan 1988
  8. Decided - GrantedS6/2007/0846/FP

    CONSTRUCTION OF POND

    MILBROOK GOLF COURSE, CARBONE HILL, NEWGATE STREET VILLAGE, HERTFORD, SG13 8RD

    Received 11 Jun 2007
  9. Decided - Withdrawn6/2020/0976/HOUSE

    Erection of front porch, rear extension, loft conversion with front and rear dormers following demolition of garage, conservatory and garden house. Erection of new detached garage and reconfiguration of rear roof slope

    35 Codicote Road Welwyn AL6 9TT

    Received 30 Apr 2020
  10. Decided - GrantedN6/2014/0872/AD

    Installation of one fascia sign

    Clamcleats Ltd, Watchmead, Welwyn Garden City, AL7 1AP

    Received 15 Apr 2014
  11. Decided - Granted6/2020/0969/HOUSE

    Erection of first floor side and single storey rear extension following demolition of conservatory

    46 Crossway Welwyn Garden City AL8 7EE

    Received 29 Apr 2020
  12. Decided - Granted6/2017/0196/EM

    Replacement of UPVC double glazed windows and replacement of front door.

    13 Elmwood Welwyn Garden City AL8 6LD

    Received 3 Feb 2017
  13. Decided - Granted6/2025/0797/TPO

    1 x Sweet chestnut tree to fell (dead) (TPO741 (2018) G2)

    2 Copse Hill Welwyn AL6 0SG

    Received 28 Apr 2025
  14. Decided - GrantedN6/2004/0533/FP

    ERECTION OF REAR CONSERVATORY

    117 Brooksfield Welwyn Garden City AL7 2BL

    Received 19 Apr 2004
  15. Decided - Granted6/2017/1254/HOUSE

    Erection of single storey rear and side extension

    21 Burleigh Way Cuffley Potters Bar EN6 4LJ

    Received 2 Jun 2017
  16. Decided - Granted6/2016/0014/HOUSE

    Erection of ground floor side and front extension

    140 Tolmers Road, Cuffley, Potters Bar, EN6 4JR

    Received 6 Jan 2016
  17. Decided - Withdrawn6/2021/2582/HOUSE

    Insertion of 13 x glazing panels to the interior of the dwelling

    10 Fore Street Hatfield AL9 5AH

    Received 6 Sept 2021
  18. Decided - GrantedN6/2005/1555/FP

    CHANGE OF USE OF LAND TO HAULAGE DEPOT AND TAXI OFFICE AND ERECTION OF AERIAL IN REVISED LOCATION

    LAND TO THE REAR OF, 21A BROADWATER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3BQ

    Received 16 Dec 2005
  19. Decided - Granted6/2016/2298/LAWP

    Certificate of lawfulness for the erection of a garage

    7 Barfolds Welham Green Hatfield AL9 7NG

    Received 1 Nov 2016
  20. Decided - Granted6/2021/0711/EMT

    Reduce 1 x Oak (T1) by 30% Remove overhanging branch of 1 x Gleditsia (T2) Remove deadwood of 1 x Oak (T3)

    121 Handside Lane Welwyn Garden City AL8 6TA

    Received 3 Mar 2021
  21. Decided - GrantedS6/2004/0858/CD

    ERECTION OF CONSERVATORY CLASSROOM EXTENSION

    Ponsbourne St Mary's JMI School Newgate Street Hertford SG13 8RA

    Received 7 Jun 2004
  22. Decided - GrantedN6/2015/0923/FP

    Erection of grinding room, vehicle servicing, ancillary office and staff facilities following demolition of existing stores building, storage building and removal of portakabins

    50 Reynards Road Welwyn AL6 9TP

    Received 29 Apr 2015
  23. Decided - Withdrawn6/2024/0773/VAR

    Variation of condition 1 (temporary permission) on planning permission 6/2021/1164/FULL

    Hatfield Lodge Comet Way Hatfield AL10 9NG

    Received 25 Apr 2024
  24. Decided - Granted6/2022/2294/EM

    Erection of single storey rear extension replacing an existing extension, alterations to rear of existing garage, amendments to side and rear fenestrations, alterations to front driveway and rear garden patio. Erection of standalone garden room.

    57 Bridge Road Welwyn Garden City AL8 6UH

    Received 3 Oct 2022

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

    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