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
36,767Searchable applications
335Recorded as pending
86%Approval rate · 30,628 approved or refused records
4,210Refused applications

26,418 approved · 4,210 refused · 1,976 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2007/0869/FP

    RETROSPECTIVE APPLICATION FOR 2 STOREY DWELLING (AMENDMENT TO PLANNING PERMISSION GRANTED TO APPLICATION S6/2002/1455/FP)

    Land adjacent to 10 Herneshaw Hatfield AL10 9DG

    Received 8 Jun 2007
  2. Decided - RefusedS6/2009/2764/FP

    ERECTION OF PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSION

    THE POST OFFICE, 14 NORTHAW ROAD WEST, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NR

    Received 30 Dec 2009
  3. Decided - Granted6/2017/2371/EM

    2 x Oaks to reduce by 3m height & width

    7 Hawthorns Welwyn Garden City AL8 7SE

    Received 16 Oct 2017
  4. Decided - Granted6/2025/2263/HOUSE

    Proposed garden store

    Ponsbourne Park Hatfield Lodge Newgate Street Hertford SG13 8NH

    Received 24 Oct 2025
  5. Decided - GrantedS6/2008/2456/AD

    INSTALLATION OF INTERNALLY ILLUMINATED FASCIA SIGN AND INTERNALLY ILLUMINATED PROJECTING SIGN

    8 PARKHOUSE COURT, HATFIELD, HERTFORDSHIRE, AL10 9RQ

    Received 19 Dec 2008
  6. Decided - Granted6/2019/2909/EM

    Reduce 2 x Silver Birch tree by 3-4 metres Reduce 1 x Thorn tree crown by 50%

    Handside Hall Day Centre Lemsford Lane Welwyn Garden City AL8 6YL

    Received 19 Nov 2019
  7. Decided - Granted6/2016/2318/COND

    Approval of details reserved by condition 8 (Travel Plan) on planning permission S6/2015/0328/FP

    Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, AL9 7TA

    Received 3 Nov 2016
  8. Decided - Granted6/2022/2675/HOUSE

    Erection of single storey rear and side extensions, rear pergola and double garage following demolition of existing garage and alterations to fenestration changes

    Oakwood House 14B Oaklands Rise Welwyn AL6 0RN

    Received 24 Nov 2022
  9. Decided - GrantedS6/2009/0171/FP

    INSTALLATION OF NEW ENTRANCE GATES

    28 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4AX

    Received 23 Jan 2009
  10. Decided - GrantedN6/2015/1494/TP

    Reduce three Poplar trees by upto 33%

    8 Brownfields Welwyn Garden city AL7 1AN

    Received 13 Jul 2015
  11. Decided - Granted6/2018/2248/TPO

    Various works to trees: Reduce 3 x Silver Birch trees (1a, 1b, 1c) by 20 %, lower branches by up to 3m and reduction to 15m in height and 7m in spread (G7), 2 x Hornbeam trees (2a, 2c) by 20 %, lower branches over neighbours drive and reduction to 15m in height and 8m in spread, fell 1 x Hornbeam tree (2b) and reduce 1 x Silver Birch tree (3) by 20 %, lower braches by up to 3m and reduction to 15m in height and 10m in spread covered by TPO 108

    33 Mardley Wood Welwyn AL6 0UY

    Received 31 Aug 2018
  12. Decided6/2020/0054/TC

    Reduce 1 x Oak tree by 1.5-2 m T1

    10 High Oaks Road Welwyn Garden City AL8 7BH

    Received 9 Jan 2020
  13. Decided - Refused6/2025/0315/TPO

    Re-pollard 4 Lime trees Ashley Trees have been advised on the work and quoted subject to your permission

    10 Dognell Green Welwyn Garden City AL8 7BL

    Received 19 Feb 2025
  14. Appeal Decided - AllowedN6/2013/1478/FP

    Change of use of amentiy land for the purpose of parking with the provision of heavy duty polythene mesh as surfacing material

    4 Marley Road, Welwyn Garden City, AL7 4BS

    Received 18 Jul 2013
  15. Decided - GrantedN6/2014/1294/DS

    Approval of details reserved by condition 3 (materials) of planning permission N6/2013/2711/FP

    14 Willow Walk Welwyn AL6 9SQ

    Received 6 Jun 2014
  16. Decided - Granted6/2018/1018/HOUSE

    Erection of single storey rear extension, basement and side garage following demolition of existing twin rear single storey extensions and side garage

    38 Parkway Welwyn Garden City AL8 6HQ

    Received 19 Apr 2018
  17. Decided - GrantedC6/1987/7015/AD

    Illuminated fascia and projecting signs

    KFC, 46 Fretherne Road, Welwyn Garden City, AL8 6NU

    Received 1 Jan 1987
  18. Decided - Granted6/2017/0539/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension with rear garden glazing (French sliding/folding doors), flat roof and installation of 2 rooflights.

    35 Springfields Welwyn Garden City AL8 6XT

    Received 15 Mar 2017
  19. Decided - GrantedS6/2009/2231/DS

    DISCHARGE OF CONDITION 4(GARAGE DEMOLITION) FROM PLANNING PERMISSION S6/2008/0537/FP

    Tudor Hall, Vineyards Road, Potters Bar, EN6 4PE

    Received 8 Oct 2009
  20. Decided - GrantedN6/2007/1860/FP

    ERECTION OF NEW GATES AND TIMBER RAIL FENCE

    BADGER COTTAGE, WHITE HILL, AYOT ST PETER, WELWYN, HERTFORDSHIRE, AL6 9AF

    Received 3 Dec 2007
  21. Decided - Granted6/2016/2593/HOUSE

    Erection of single storey side and rear extension following part demolition of existing garage/playroom, replacement of existing garage roof, conversion of existing garage and alterations to openings.

    13 Elmwood Welwyn Garden City AL8 6LD

    Received 5 Dec 2016
  22. Decided - Granted6/2020/0062/HOUSE

    Erection of two storey front extension, two storey rear extension and part single/part two storey side extension; erection of rear raised terrace; installation of rear dormer with balcony; and alterations to openings.

    79 The Ridgeway, Cuffley, Potters Bar, EN6 4BD

    Received 13 Jan 2020
  23. Decided - GrantedS6/2007/1037/FP

    ERECTION OF A SINGLE STOREY FRONT EXTENSION

    134 Dixons Hill Road Welham Green Hatfield AL9 7DN

    Received 9 Jul 2007
  24. Decided - Granted6/2023/0233/COND

    Submission of details pursuant to condition number 15 (Remediation Verification Report), on planning permission 6/2021/2207/MAJ

    Campus West The Campus Welwyn Garden City AL8 6BX

    Received 31 Jan 2023

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

    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.

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