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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
36,152Searchable applications
333Recorded as pending
86%Approval rate · 30,126 approved or refused records
4,103Refused applications

26,023 approved · 4,103 refused · 1,903 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/2550/TPO

    T4 & T6 Scots pine to fell (dead), T12 Scots pine (Sparassiss crispa fungal decay) to fell, and T8, T9 &T10 Scots pine to deadwood. Replanting of three young Scots pines in rear garden close to boundaries from home grown stock. (TPO 93)

    49 Osborne Road Little Heath Potters Bar EN6 1SB

    Received 7 Nov 2022
  2. Decided - Withdrawn6/2019/0521/LAWLB

    Certificate of lawfulness for construction of a free standing exercise studio on top of an existing tennis court situated over the female locker rooms and formation of a new entrance & viewing window.

    The Listed Hangar Mosquito Way Hatfield AL10 9AX

    Received 6 Mar 2019
  3. Decided - GrantedW6/2008/1131/EM

    ERECTION OF REAR CONSERVATORY

    160 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RG

    Received 8 Jul 2008
  4. Decided - Granted6/2017/2119/EM

    Reinstatement of front garden over hard standing driveway

    26 The Croft Welwyn Garden City AL7 4JY

    Received 20 Sept 2017
  5. Decided - Granted6/2019/2019/FULL

    Erection of car paint spraying booth

    1 Porsche Centre, Hatfield Avenue, Hatfield, AL10 9UA

    Received 13 Aug 2019
  6. Decided - Granted6/2016/1583/EM

    Installation of flue to rear roof

    8 The Links, Welwyn Garden City, AL8 7DS

    Received 2 Aug 2016
  7. Decided - RefusedN6/2013/2285/OP

    Outline permission for erection of dwellinghouse following demolition of garage (all matters reserved)

    16C Woodside Road Digswell Welwyn AL6 0DR

    Received 28 Oct 2013
  8. Decided - GrantedN6/2014/2318/TC

    Reduce branch on Scots Pine tree located in rear garden back from property by 1.5m and removal of deadwood

    19 Barleycroft Road, Welwyn Garden City, AL8 6JX

    Received 21 Oct 2014
  9. Decided - Granted6/2020/2331/EMH

    Erection of single storey rear extension

    45 Archers Ride Welwyn Garden City AL7 4PR

    Received 10 Sept 2020
  10. Decided - Granted6/2016/2113/COND

    Approval of details reserved by condition 2 (Glazing section drawings) on listed building consent 6/2016/1175/LB

    5 Digswell Lodge, Digswell Rise, Welwyn Garden City, AL8 7NU

    Received 10 Oct 2016
  11. Decided - Granted6/2017/1253/FULL

    Erection of a single storey side extension to join with existing outbuilding in order to facilitate conversion of existing dwellinghouse, forming 1 x 2-bedroom and 4 x 1-bedroom flats

    54 New Road Digswell Welwyn AL6 0AH

    Received 8 Jun 2017
  12. Decided - GrantedN6/2012/2538/FP

    Erection of a five bedroom house with associated landscaping and access

    Land adjacent to, 51 Brockswood Lane, WELWYN GARDEN CITY, AL8 7BU

    Received 28 Nov 2012
  13. Decided - Granted6/2018/2507/TPO

    Various Tree works Covered by TPO 450 (2010) Crown Lift 1x Yew Tree G3 by 3m 1x Oak Tree T10 by 3m 1x Oak tree T11 by 3m 1x Beech tree T12 by 3m 1x Beech tree T13 by 3m 1x T14 by 3m 1x T15 by 3m 1x T16 by 3m 1x T17 Monterey Pine by 3m 1x T1 Wellingtonia by 3m 1x T127-T129 Wellington by 3m 1x T131-T151 Wellington by 3m Fell 1x T130 Wellingtonia Fell leave stump at 8 feet 1x T42 Beech Fell stump leave approximately 4-5m

    Wilshere Park the Frythe Avenue Welwyn

    Received 1 Oct 2018
  14. Decided - GrantedN6/2007/1457/FP

    ERECTION OF SINGLE STOREY SIDE & REAR EXTENSION

    12 SPRINGFIELDS, WELWYN GARDEN CITY, HERTS, AL8 6XP

    Received 1 Oct 2007
  15. Decided - Granted6/2025/2298/HOUSE

    Erection of a single storey rear extension following the demolition of the rear sun room

    15 The Vineyard Welwyn Garden City AL8 7PY

    Received 30 Oct 2025
  16. Decided - Withdrawn6/2024/2376/FULL

    Installation of a dropped kerb and crossover

    175 Parkway Welwyn Garden City AL8 6JA

    Received 12 Dec 2024
  17. Decided - GrantedN6/2009/2031/TC

    FELLING OF EUCALYPTUS TREE IN REAR GARDEN

    8 PARKFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6ED

    Received 24 Sept 2009
  18. Decided - Refused6/2021/1932/LB

    Erection of rear extension and glazed link extension. Conversion of existing garage into habitable accommodation and internal ground floor alterations

    10 London Road Woolmer Green SG3 6JP

    Received 25 Jun 2021
  19. Decided - GrantedN6/2014/1502/TP

    Crown reduction and crown thinning by 30% of 2 Sycamores covered by TPO 221

    4 Greenways Digswell Welwyn AL6 0EE

    Received 7 Jul 2014
  20. Decided - Granted6/2020/3450/FULL

    Erection of storage building following demolition of existing storage building

    Wood Green Timber Yard Coopers Lane Northaw Potters Bar EN6 4NE

    Received 24 Dec 2020
  21. Decided - GrantedN6/2009/2624/TE

    REDUCE AND THIN HORSE CHESTNUT TREE (T1) BY 3 METRES, REMOVE TWO BIRCH TREES (T2) AND (T3) AND REPLACE WITH EVERGREEN SHRUBS AND PRUNE AND RESHAPE LAWSON CYPRESS TREE (T4) BY 4 METRES

    1 APPLECROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JZ

    Received 16 Nov 2009
  22. Decided - GrantedS6/2008/0970/FP

    ERECTION OF DOUBLE GARAGE

    26 Homestead Road Hatfield AL10 0QW

    Received 25 Jun 2008
  23. Decided - Granted6/2018/0099/MAJ

    Change of use from training centre and conference use to wedding venue, conference, ceremonies and corporate events

    North Mymms Park, Tollgate Road, North Mymms, AL9 7TR

    Received 11 Jan 2018
  24. Decided - Granted6/2023/1590/HOUSE

    Garage conversion and new bay window

    10 Campion Road Hatfield AL10 9FB

    Received 31 Jul 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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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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