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
37,145Searchable applications
335Recorded as pending
86%Approval rate · 30,967 approved or refused records
4,294Refused applications

26,673 approved · 4,294 refused · 1,999 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 25 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2023/1574/FULL

    Formation of a drop kerb to the rear of the site, with the addition of 3 parking bays to provide additional parking for a C2 Childcare home

    2 Mulberry Mead Hatfield AL10 9EN

    Received 31 Jul 2023
  2. Decided - GrantedN6/2014/0863/FP

    Erection of two storey and single storey side extension

    60 Hertford Road Digswell Welwyn AL6 0BX

    Received 23 Apr 2014
  3. Decided - GrantedS6/2009/0172/AD

    INSTALLATION OF ILLUMINATED FASCIA SIGN

    Bengal Paradise 3 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 26 Jan 2009
  4. Appeal Decided - DismissedS6/2013/0743/FP

    Change of use from a dwellinghouse (Use Class C3) to a six bedroom house in multiple occupation (Use Class C4)

    11 Holly Close Hatfield AL10 9JB

    Received 11 Apr 2013
  5. Decided - GrantedC6/1988/0518/FP

    Two storey side and single storey rear extensions including new garage

    3 Brooksfield, Welwyn Garden City, AL7 2BJ

    Received 1 Jan 1988
  6. Decided - GrantedW6/2010/0130/EM

    ERECTION OF A SINGLE STOREY SIDE AND REAR EXTENSION

    36 APPLECROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LA

    Received 25 Jan 2010
  7. Decided6/2020/0105/TC

    Fell x2 Oak tree (T1 and T2) Fell Wisteria and Pyracantha hedge (HG1)

    3 Russellcroft Road Welwyn Garden City AL8 6QN

    Received 16 Jan 2020
  8. Decided - GrantedC6/1987/7052/AD

    Illuminated fascia and projectign box signs

    24 Church Road, Welwyn Garden City

    Received 1 Jan 1987
  9. Decided - GrantedW6/2014/1797/EM

    Retrospective consent for replacement of existing lawn and paths plus additional pathway to provide access to dwelling

    20 Mandeville Rise, Welwyn Garden City, AL8 7JU

    Received 12 Aug 2014
  10. Decided - Granted6/2019/0368/COND

    Submission of details pursuant to condition 1 (material samples) on consent ref: 6/2018/2545/LB and planning permission ref: 6/2018/2544/HOUSE

    Digswell Water House Digswell Lane Welwyn AL6 0BY

    Received 15 Feb 2019
  11. Decided - GrantedN6/2014/1723/LUP

    Certificate of lawfulness for erection of single storey rear extension and repositioning of existing garden shed

    149 Blythway, Welwyn Garden City, AL7 1DS

    Received 31 Jul 2014
  12. Decided - Refused6/2020/0959/PN8

    Prior approval for the erection of a single storey rear extension measuring 8 metres in depth, 3.61 metres in height and 3.61 metres to the eaves

    Tylers Cottage Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 28 Apr 2020
  13. Decided6/2026/1209/TC

    T1 x Cherry to reduce by approximately 2.5m in height and 1.5m in width. Lift to 4m above ground level

    25 Rooks Hill Welwyn Garden City AL8 6EU

    Received 10 Jul 2026
  14. Decided - Granted6/2025/0454/VAR

    Variation of condition 13 (approved plans) on planning permission 6/2024/1433/MAJ

    Woodlands Well Road Northaw Potters Bar EN6 4BN

    Received 11 Mar 2025
  15. Decided - Granted6/2017/2797/EM

    Reduce Leyland Cypress hedge by 5-6m. in height

    18 Applecroft Road Welwyn Garden City AL8 6LA

    Received 30 Nov 2017
  16. Decided - Refused6/2022/0111/HOUSE

    Erection of a part single, part two storey rear extension, following the demolition of the existing conservatory

    33 Holwell Road Welwyn Garden City AL7 3RE

    Received 17 Jan 2022
  17. Decided - GrantedN6/2013/0249/TP

    Remove Oaks covered by TPO 453

    11 Thumbswood, WELWYN GARDEN CITY, AL7 4QE

    Received 6 Feb 2013
  18. Decided6/2022/1878/TC

    Oak T4 - reduce lateral spread by 15-20% all round, reduce away from house, remove epicormic growth and deadwood. Hornbeam cluster H1 - reduce 25% all round, remove epicormic growth and deadwood Hornbeam cluster H2 - reduce 25% all round, removing epicormic growth and deadwood. Leaving some overhanging to side path. Purple plum P1 - remove deadwood and light shaping to encourage growth

    8 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 11 Aug 2022
  19. Decided - Granted6/2018/2075/LAWP

    Certificate of lawfulness for a hip to gable roof alteration, rear dormer window and installation of front rooflight

    8 Green Lanes Hatfield AL10 9JT

    Received 8 Aug 2018
  20. Decided - Granted6/2018/2032/COND

    Submission of details pursuant to condition 4 (material samples for external surfaces) on planning permission S6/2014/1867/FP

    The Willows Marshmoor Lane Welham Green Hatfield AL9 7HT

    Received 3 Aug 2018
  21. Decided - Granted6/2018/0516/TPO

    Fell 1 x Norway Maple tree covered by TPO 548 (2016)

    28 London Road Welwyn AL6 9JD

    Received 21 Feb 2018
  22. Decided - Granted6/2019/1854/EM

    Reduce 1 x Variegated Maple tree by 1m height & width & removing reversion growth Reduce 1 x Cedar tree by 1.5m & removing lowest limb over lawn Reduce1 x Willow tree by 2m Fell 1 x Juniper tree

    13 The Old Drive Welwyn Garden City AL8 6TB

    Received 29 Jul 2019
  23. Decided - GrantedS6/2014/0909/FP

    Erection of two storey side extension and conversion of existing garage to habitable accommodation

    22 Hanyards Lane, Cuffley, Potters Bar, EN6 4AT

    Received 25 Apr 2014
  24. Decided - GrantedS6/2008/1300/FP

    ALTERATIONS TO EXISTING GARAGE TO ENABLE CHANGE OF USE OF GROUND FLOOR FROM PRIVATE GARAGING TO ANCILLARY USE TO MAIN DWELLING (MONKSWELL)

    MONKSWELL, THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BH

    Received 25 Jul 2008

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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  • 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