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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
35,715Searchable applications
331Recorded as pending
86%Approval rate · 29,756 approved or refused records
4,033Refused applications

25,723 approved · 4,033 refused · 1,870 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0048/FULL

    Erection of detached dwelling and associated landscaping following the demolition of existing garages/workshop

    Garages & Workshop at Green Close Brookmans Park Hatfield AL9 7ST

    Received 10 Jan 2017
  2. Decided - Withdrawn6/2024/2199/FULL

    Erection of a two storey rear extension

    6 Southfield Welwyn Garden City AL7 4ST

    Received 13 Nov 2024
  3. Decided - Granted6/2024/0770/EM

    Erection of single storey rear extension

    14 Gooseacre Welwyn Garden City AL7 4NB

    Received 24 Apr 2024
  4. Decided - Granted6/2024/2017/MAJ

    Erection of seven new detached dwellings with associated detached garages, parking and amenity areas and upgrading the existing access road following demolition of existing buildings. Revised proposal to that previously approved under ref 20/00598/FP (APP/X1925/W/21/3269379) and 6/2020/0714/MAJ (APP/C1950/W/21/3269378) to allow amendments to the dwellings, layout and road design

    Land at Oakleigh Farm Codicote Road Welwyn AL6 9TY

    Received 21 Oct 2024
  5. Decided - Granted6/2015/1783/HOUSE

    Extension of residential curtilage to incorporate land adjacent into private garden of 108 Cherry Way and enclose with fence and formation of new vehicle crossover and provision of 2 off-road parking spaces for the use of 108 Cherry Way

    108 Cherry Way Hatfield AL10 8LD

    Received 24 Aug 2015
  6. Decided - Withdrawn6/2017/2642/EM

    Erection of 6 fences - part retrospective

    3, 3A, 5,5A, 7,7A, 9,9A, 11,11A, 13,13A, 15,15A, 1 Lynmouth Road and associated land between 6 and 7 Lynmouth Road Welwyn Garden City AL7 3PA

    Received 13 Nov 2017
  7. Decided - RefusedW6/2009/1974/EM

    REPLACEMENT WINDOWS

    18 STACKLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XW

    Received 11 Sept 2009
  8. Decided6/2025/1392/TC

    Copthorn Tree in back right hand corner of my garden. To lower by 20% (approx 1m) and shape. Hawthorne Tree half way along right hand side fence - To lower by 20% (approx 1m( and shape to reduce overhang to neighbour's garden)

    21 Turmore Dale Welwyn Garden City AL8 6HT

    Received 2 Jul 2025
  9. Decided - Refused6/2021/1184/PN15

    Removal and replacement of 6no antennas. Internal upgrade of existing equipment room and associated ancillary works

    The Galleria Telecommunications Site 61149/WEH010 Comet Way Hatfield AL10 0XR

    Received 12 Apr 2021
  10. Decided - Granted6/2019/1559/EM

    Erection of a single storey side and rear extension following demolition of existing garage, installation of rooflights to the side and rear roofslopes to facilitate loft conversion, erection of garden shed, and formation of hardstanding for driveway and relocation of hedge

    112 Parkway Welwyn Garden City AL8 6HN

    Received 21 Jun 2019
  11. Decided - Granted6/2025/0320/HOUSE

    Erection of a single storey side and rear wrap around extension

    37 Little Ganett Welwyn Garden City AL7 3DG

    Received 19 Feb 2025
  12. Decided - GrantedW6/2014/2099/EM

    Erection of part ground, part two storey rear extension

    14 Handside Close, Welwyn Garden City, AL8 6SR

    Received 24 Sept 2014
  13. Decided - Granted6/2020/0478/TC

    Raise crown of 1 x Oak tree by 1m

    46 Woodland Rise Welwyn Garden City AL8 7LF

    Received 19 Feb 2020
  14. Decided - Granted6/2018/0434/EM

    Erection of a first floor rear extension and replacement of rear patio doors

    1 Handside Close Welwyn Garden City AL8 6SR

    Received 9 Feb 2018
  15. Decided - Granted6/2021/0669/EMH

    Retrospective application for installation of solar panels on rear roof

    184 Blythway Welwyn Garden City AL7 1DU

    Received 1 Mar 2021
  16. Decided - GrantedN6/2008/1979/AG

    ERECTION OF STORAGE BUILDING

    CROMER HYDE FARM, CROMER HYDE LANE, LEMSFORD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7XD

    Received 15 Oct 2008
  17. Appeal Decided - Dismissed6/2019/1741/HOUSE

    Erection of a single storey side infill, single storey part two storey side/rear extensions following demolition of existing conservatory and Installation of 2x side dormer windows and alterations to openings

    5 Pentley Park Welwyn Garden City AL8 7RT

    Received 15 Jul 2019
  18. Decided - GrantedS6/2014/0818/FP

    Erection of rear conservatory and new tiled roof over existing conservatory

    64 Lockley Crescent Hatfield AL10 0TP

    Received 15 Apr 2014
  19. Decided - GrantedW6/2013/0801/TE

    Removal of two Holly trees, one Eucalyptus tree and reduce Poplar tree by 33% plus remove removal of lower branches from Tulip tree and remove two stems from Acer tree

    101 Handside Lane, WELWYN GARDEN CITY, AL8 6SP

    Received 18 Apr 2013
  20. Decided6/2023/1362/TC

    T20-Twisted Willow- Re-pollard as it is outgrowing its position and the there is decay in the main stem T21-Purple Leaf Plum- Crown reduce by 1-2 metres and thin by 25% T22-Cherry- Reduce by 0.5 metres all round to maintain the size and shape of the crown and the low epicormic growth removing from the base of the trunk up to 1 metre T25-Leylandii- Reduce in height to the top of the barn theatre approx. 10 metres T26-Cherry- Crown reduce by 2-3 metres

    Firbank Barn Close Welwyn Garden City AL8 6SU

    Received 30 Jun 2023
  21. Decided - Granted6/2022/0961/EIA

    Request for screening opinion

    Black Fan Road to Sherrards Wood pipeline project

    Received 22 Apr 2022
  22. Decided - Granted6/2020/0347/HOUSE

    Erection of a single storey, part two storey rear extension and insertion of window to first floor of existing side elevation and extension of existing driveway to provide 1 x new parking space

    5 Salisbury Road Welwyn Garden City AL7 3RR

    Received 7 Feb 2020
  23. Decided - GrantedS6/2014/1678/DS

    Approval of details reserved by condition 9 (archaeology evaluation) of planning permission S6/2012/1928/PP

    University of Hertfordshire, College Lane, Hatfield, AL10 9AB

    Received 24 Jul 2014
  24. Decided - Refused6/2017/1973/HOUSE

    Erection of a single storey double garage, single storey side and rear extension, first floor side extension, rear roof terrace at first floor, external terrace/patio and erection of an outbuilding for use as a poolhouse and gym to rear. Installation of 3 front windows to facilitate garage conversion, installation of front door, removal of existing chimney, raise front gable end roof and installation of 1 rear double height dormer window to facilitate loft conversion to habitable space.

    36 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 4 Sept 2017

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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