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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - WithdrawnN6/2009/1591/LU

    ERECTION OF TWO STOREY REAR EXTENSION

    7 FARM CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RP

    Received 20 Jul 2009
  2. Decided - GrantedW6/2005/1475/EM

    ERECTION OF REAR CONSERVATORY

    247 Thistle Grove, Welwyn Garden City, AL7 4AH

    Received 24 Nov 2005
  3. Decided - Granted6/2016/2218/FULL

    Formation of hardstanding

    100 Cole Green Lane Welwyn Garden City AL7 3JD

    Received 24 Oct 2016
  4. Decided - Granted6/2020/2310/HOUSE

    Erection of a free standing, three bay garage to provide parking facilities for vehicles and outdoor storage space

    90 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 9 Sept 2020
  5. Decided - Granted6/2021/1199/EMT

    Removal of sycamore

    53 Peartree Lane Welwyn Garden City AL7 3UA

    Received 13 Apr 2021
  6. Decided - Refused6/2020/3177/EM

    Erection of a part single part double storey rear extension

    38 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 25 Nov 2020
  7. Decided - SplitN6/2010/0078/TP

    FELL TWO SWEET CHESTNUTS, REDUCE OAK CROWN BY 20%, REDUCE CROWNS OF TWO HORNBEAMS BY 15%-20% AND FELL ASH ALL COVERED BY TPO

    Woodland behind Oaklea Welwyn AL6 0PT

    Received 15 Jan 2010
  8. Decided - GrantedS6/2009/1472/FP

    AMENDMENT TO PLANNING PERMISSION S6/2007/0273/MA COMPRISING REFURBISHMENT OF HUTTON HALL INVOLVING ALTERATIONS TO EXTERNAL ELEVATIONS

    Hutton Hall University Of Hertfordshire College Lane Hatfield AL10 9AB

    Received 14 Jul 2009
  9. Decided - GrantedS6/2007/0509/FP

    ERECTION OF STABLES, HAYSTORE, STABLES & TACK ROOM. FORMATION OF MENAGE WITH PADDOCK FENCE.

    White Lodge Farm, Bulls Lane

    Received 30 Mar 2007
  10. Decided - Refused6/2026/0426/FULL

    Change of use from general amenity land to private driveway to accommodate parking for one vehicle with crossover

    8 Hill Ley Hatfield AL10 8LX

    Received 9 Mar 2026
  11. Decided - GrantedW6/2004/0208/EM

    ERECTION OF PART SINGLE STOREY, PART TWO STOREY REAR EXTENSION

    139 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 13 Feb 2004
  12. Decided - GrantedN6/2004/0688/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    50 Springfields Welwyn Garden City AL8 6XN

    Received 6 May 2004
  13. Decided6/2019/0513/TPO

    Reduce crown of 1 x Weeping Willow tree by 50% and remove dead stem - covered by conservation area

    10 The Orchard Welwyn Garden City AL8 7PL

    Received 7 Mar 2019
  14. Decided - Granted6/2017/0368/HOUSE

    Erection of two storey front and side extension

    22 Moffats Lane Brookmans Park Hatfield AL9 7RU

    Received 27 Feb 2017
  15. Decided - GrantedS6/2008/1175/DS

    DISCHARGE OF CONDITIONS 6 & 7 OF PLANNING PERMISSION S6/2008/0022/FP (LANDSCAPING& PLANTING)

    170 Tolmers Road, Potters Bar, EN6 4JP

    Received 21 Jul 2008
  16. Decided - Granted6/2022/1798/HOUSE

    Erection of a part single part two storey rear extension

    22 Selwyn Drive Hatfield AL10 9NJ

    Received 1 Aug 2022
  17. Decided - Granted6/2025/0233/HOUSE

    Demolition of Existing Rear Extension and Mono Pitch Roof over Patio. Ground Floor Rear Extension. Partial First Floor Rear Extension. Installation of 3no. Obscured Glazed Windows and 1no. Obscured Glazed Door to the Side Elevation at Ground Floor Level. Internal Alterations. Alterations to Existing Patio Area

    9 Rectory Close Essendon Hatfield AL9 6HG

    Received 11 Feb 2025
  18. Decided - GrantedS6/2009/0035/FP

    ERECTION OF REAR CONSERVATORY

    125 PEPLINS WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UT

    Received 8 Jan 2009
  19. Decided - GrantedS6/2007/0401/FP

    ERECTION OF ONE AND HALF STOREY REAR EXTENSION INCLUDING ALTERATIONS FROM HIP TO GABLE END AND JULIET BALCONY AND TWO SIDE DORMERS

    20 Kingswell Ride Cuffley Potters Bar EN6 4LH

    Received 9 Mar 2007
  20. Decided6/2021/3235/TC

    1 x Judas to fell to ground level. Tree in poor condition structurally and physiologically.

    70 Attimore Road Welwyn Garden City AL8 6LP

    Received 11 Nov 2021
  21. Decided - Granted6/2024/2049/EM

    Driveway extension

    28 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 23 Oct 2024
  22. Decided - Granted6/2017/1318/HOUSE

    Erection of a single storey side and rear extension, side facing dormer window, roof lights, conversion of garage and replacement of existing garage door with window.

    151 Campion Road Hatfield AL10 9FL

    Received 16 Jun 2017
  23. Decided - Granted6/2018/1557/EM

    20% Crown Reduction of oak tree at rear of property.

    9 Applecroft Road Welwyn Garden City AL8 6JZ

    Received 12 Jun 2018
  24. Decided - Granted6/2018/2520/EM

    Reduce crown of 1 x Oak tree by 1.5-2m and 5 x Conifer trees forming a large hedge by 2m in height

    5 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 28 Sept 2018

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

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    Planning application documents: what to read first

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    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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