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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
37,027Searchable applications
335Recorded as pending
86%Approval rate · 30,858 approved or refused records
4,269Refused applications

26,589 approved · 4,269 refused · 1,992 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - Refused6/2025/1047/HOUSE

    Installation of an Air Source Heat Pump

    63 Valley Road Welwyn Garden City AL8 7DH

    Received 3 Jun 2025
  2. Decided - GrantedS6/2013/0959/FP

    Replace existing rear conservatory with new conservatory

    18 Grangewood, Little Heath, POTTERS BAR, EN6 1SH

    Received 3 May 2013
  3. Decided - Granted6/2025/2176/EMT

    4 x Lime trees to re pollard. Reduce height of left hand side stem by approximately 1m to match height of rest. 2 x Cherry plums to reduce by approximately 1.5m in height and width (back to previous). 1 x Oak to reduce back to previous. Approx reduce by around 1.2m height & 1m width. 1 x Eucalyptus to fell.

    12 Guessens Road Welwyn Garden City AL8 6QR

    Received 13 Oct 2025
  4. Decided - Granted6/2017/1942/EM

    Erection of garden shed

    34 Woodland Rise Welwyn Garden City AL8 7LF

    Received 31 Aug 2017
  5. Decided - Granted6/2025/2033/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3.20m in height and 2.40m to the eaves

    10 Homestead Road Hatfield AL10 0QL

    Received 23 Sept 2025
  6. Decided - Granted6/2015/2187/HOUSE

    Erection of single storey rear extension

    25 Herns Lane, Welwyn Garden City, AL7 2AG

    Received 21 Oct 2015
  7. Decided - GrantedN6/2009/2591/FP

    ERECTION OF TWO STOREY REAR EXTENSION, FRONT AND REAR DORMER WINDOWS AND ALTERATIONS

    9 BARLEYCROFT GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JY

    Received 27 Nov 2009
  8. Decided - GrantedS6/2012/2655/S73B

    Time extension of planning permission S6/2009/2556/MA (Change of use to equestrian with associated manege, rides and landscaping)

    Land east of, Hornbeam Lane, Brookmans Park, HATFIELD, AL9 6JF

    Received 20 Dec 2012
  9. Decided - Granted6/2024/1791/EM

    Erection of single storey rear extension and new side window following removal of existing conservatory

    30 Springfields Welwyn Garden City AL8 6XP

    Received 17 Sept 2024
  10. Decided - Granted6/2016/0443/EM

    Erection of single storey extension following demolition of existing detached garage

    81 Woodhall Lane, Welwyn Garden City, AL7 3TH

    Received 9 Mar 2016
  11. Decided - Granted6/2017/1490/EM

    Erection of two storey rear extension

    5 Picketts Welwyn Garden City AL8 7HJ

    Received 7 Jul 2017
  12. Decided - Granted6/2017/0351/FULL

    Erection of single storey front extension (pronaos) to the temple to include 8 new columns and 3 domes.

    Oshwal Centre Coopers Lane Road Northaw Potters Bar EN6 4DG

    Received 23 Feb 2017
  13. Decided - Granted6/2023/1865/TPO

    All trees to be felled to ground level and all are marked in orange paint T1-3, T5 and T12-13: Ash with advanced (stage 2 & 3) ADB with signifcant base cavities present T14: Large oak with extensive lower stem decay likely casued by fire damage T15 -T17: Ash with advanced (stage 2 & 3) ADB with cavities throughout stem and crown T18: Oak with extensive lower stem decay likely caused by fire damage T19: Ash with extensive lower stem decay likely caused by fire damage T20: Heavily leaning ash with stage 3 ADB All identified tree works are for H&S reasons (Stage 2 and Stage 3 ADB, plus structural decay resulting from fire damage) All arisings to be left on site and used to block unauthorised access by 4x4s and to prevent flytipping and further fire damage to trees. No re-planting proposed as felling is in a woodland setting, with natural regeneration present as well as suppressed intermediates & juvenile trees that will be released into the the upper canopy by proposed works. TPO 619 (2017) W1. TPO3 W10. TPO3 W11

    North side of Byway 'Essendon 014' and within Harefield Wood Hatfield AL9 6BA

    Received 7 Sept 2023
  14. Decided - Withdrawn6/2020/2854/FULL

    Erection of replacement dwelling

    Spindlebury Cottage Ottway Walk Welwyn AL6 9AS

    Received 30 Oct 2020
  15. Decided - RefusedS6/2014/0889/FP

    Roof alterations including dormers to front and rear, dormers to the side of the dwelling and balcony to accommodate loft conversion to habitable space

    6 Burleigh Way, Cuffley, Potters Bar, EN6 4LJ

    Received 23 Apr 2014
  16. Decided - GrantedN6/2014/1748/FP

    Erection of single storey rear extension

    25 Wolves Mere Woolmer Green Knebworth SG3 6JW

    Received 4 Aug 2014
  17. Decided - GrantedS6/2009/2106/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION FRONT PORCH AND CONVERSION OF EXISTING GARAGE

    30 CALDER AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AQ

    Received 23 Sept 2009
  18. Decided - Granted6/2018/2968/FULL

    Conversion of existing 6-bedroom dwelling at 11 Holly Close into two self-contained 2-bedroom flats

    11 & 11a Holly Close Hatfield AL10 9JB

    Received 19 Nov 2018
  19. Decided - Granted6/2023/0582/HOUSE

    Erection of a part single storey, part two storey rear extension with juliet balcony and rooflights, alterations to porch and existing openings, insertion of new windows in flank wall and removal of chimney, following the demolition of the existing rear conservatory

    43 London Road Woolmer Green Hertfordshire SG3 6JE

    Received 14 Mar 2023
  20. Decided - Granted6/2015/1873/COND

    Approval of details reserved by Condition 13 (Archaeology) and Condition 6 (Lighting) of planning permission N6/2014/2462/MA

    Land at Bericot Way,Welwyn Garden City,AL7 2RT

    Received 7 Sept 2015
  21. Decided - Refused6/2020/0437/EM

    Erection of outbuilding

    4 Gooseacre Welwyn Garden City AL7 4NB

    Received 17 Feb 2020
  22. Decided - GrantedS6/2007/0975/LU

    RETENTION OF EXISTING BUILDING KNOWN AS 'THE GATE HOUSE' FOR USE AS AN INDEPENDENT DWELLING HOUSE

    The Old Stables Digswell Lane Welwyn AL6 0SP

    Received 28 Jun 2007
  23. Decided - Granted6/2024/0961/EM

    Erection of a part single, part double storey rear extension and replacement garage

    16 Guessens Road Welwyn Garden City AL8 6QR

    Received 22 May 2024
  24. Decided - GrantedN6/2013/2390/TC

    Reduce Two low branches of Beech tree by 50%

    7 Mannicotts, WELWYN GARDEN CITY, AL8 7BW

    Received 3 Oct 2013

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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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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