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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 10 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 Counts reflect the last collected status; some records may be out of date.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 - DismissedW6/2014/1177/EM

    Erection of two storey and single storey side extensions

    23 Summer Dale, Welwyn Garden City, AL8 7QH

    Received 23 May 2014
  2. Decided - Withdrawn6/2018/0699/EM

    Fell 1 x Leyland Cypress tree and re pollard 1 x Lime tree

    5 Meadow Green Welwyn Garden City AL8 6SS

    Received 14 Mar 2018
  3. Decided - Granted6/2020/3335/EM

    Removal of existing concrete vehicle hardstanding and replacement with decorative stone gravel.

    8 Colgrove Welwyn Garden City AL8 6HU

    Received 11 Dec 2020
  4. Decided - Granted6/2022/2232/HOUSE

    Erection of a single storey rear extension and single storey front extension to replace existing porch alterations to the existing front extension, removal of secondary rear chimney and re-roofing of entire pitched roof

    57 Attimore Road Welwyn Garden City Hertfordshire AL8 6LG

    Received 27 Sept 2022
  5. Decided - GrantedS6/2009/2545/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    15 THE GROVE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7RL

    Received 16 Nov 2009
  6. Decided - Granted6/2023/0905/FULL

    Erection of a farm storage/welfare building

    Lockleys Farm Great North Road Welwyn AL6 0BL

    Received 27 Apr 2023
  7. Appeal Decided - Dismissed6/2018/0764/FULL

    Erection of a detached dwelling

    Land Adjacent to 26 Starling Lane Cuffley EN6 4JX

    Received 21 Mar 2018
  8. DecidedN6/2009/0807/TE

    CLEAR TREE 2475 TREE OF HEAVEN FROM OVERHEAD OBSTRUCTIONS

    70 VALLEY ROAD, WELWYN GARDEN CITY, HERTS, AL8 7DP

    Received 1 May 2009
  9. Decided - GrantedS6/2007/1943/FP

    ERECTION OF NEW DWELLING FOLLOWING DEMOLITION OF EXISTING.

    27 HILL RISE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4EH

    Received 18 Dec 2007
  10. Decided - GrantedW6/2013/1554/EM

    Erection of single storey side and rear extensions

    4 Linkfield, Welwyn Garden City, AL7 4DW

    Received 18 Jul 2013
  11. Decided - Withdrawn6/2023/1167/FULL

    Installation of air condenser unit to roof

    Westland Lodge Westland Drive Brookmans Park AL9 7EU

    Received 2 Jun 2023
  12. Decided - Refused6/2022/1148/HOUSE

    Erection of single storey side and rear extension

    17 West Mead Welwyn Garden City AL7 4SA

    Received 18 May 2022
  13. Decided - GrantedS6/2008/0905/LU

    CERTIFICATE OF LAWFULLNESS FOR A PROPOSED LOFT CONVERSION WITH REAR DORMER

    52 WESTLAND DRIVE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UQ

    Received 18 Jun 2008
  14. Decided - Granted6/2020/0032/TPO

    Reduce 5x Hornbeam trees by 25% (T1, T2, T3. T4, T5) Crown lift 6x Hornbeam trees by 25% and crown lift by 4m (T6, T7, T8, T9, T10, T11) Crown thin and lift 1x Hornbeam tree by 20% (T12)

    16A Oaklands Rise Welwyn AL6 0RN

    Received 2 Jan 2020
  15. Under Consideration6/2026/1343/FULL

    Installation of new doors to rear elevation

    Welwyn Garden City Golf Club Mannicotts Welwyn Garden City AL8 7BP

    Received 31 Jul 2026
  16. Decided6/2024/2010/TC

    T1 Yew to cut back overhanging branches to the boundary.

    31 Mill Lane Welwyn AL6 9EU

    Received 18 Oct 2024
  17. Decided6/2020/1452/TC

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

    3 Homerfield Welwyn Garden City AL8 6QZ

    Received 22 Jun 2020
  18. Decided - Granted6/2019/0104/EM

    Pollard 2 x Lime trees

    11 Little Youngs Welwyn Garden City AL8 6SL

    Received 21 Jan 2019
  19. Decided - Granted6/2019/2351/HOUSE

    Erection of a rear orangery following demolition of an existing conservatory

    25 Oaklands Rise Welwyn AL6 0RN

    Received 24 Sept 2019
  20. Decided - Withdrawn6/2023/1496/FULL

    Proposed two additional 1 bed units at third floor level to infill the section to the rear within the footprint of the building approved under the prior approval application 6/2020/3226/PN32.

    Sylvia Adams House 24 The Common Hatfield AL10 0ND

    Received 17 Jul 2023
  21. Decided - Granted6/2020/0803/PN8

    Prior approval for the erection of a single storey rear extension measuring 6.0m in depth, 3.0m in height and 3.0m to the eaves

    55 Broad Acres Hatfield AL10 9LE

    Received 27 Mar 2020
  22. Decided6/2021/3206/TC

    T1 & T2 Apple Trees - to winter prune and thin crown T3 Small Buddleia - to trim and tidy

    19 Thumbswood Welwyn Garden City AL7 4QE

    Received 9 Nov 2021
  23. Appeal Decided - Allowed6/2020/3420/MAJ

    Demolition of existing buildings and construction of 289 residential units (Use Class C3) and community hub (Use Class E/F.2), with public realm and open space, landscaping, access, associated car and cycle parking, refuse and recycling storage and supporting infrastructure.

    Biopark Broadwater Road Welwyn Garden City AL7 3AX

    Received 21 Dec 2020
  24. Decided6/2022/1782/TC

    1 x Cherry Plum to reduce by 4m height & 1.5m width

    51 Springfields Welwyn Garden City Hertfordshire AL8 6XT

    Received 28 Jul 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