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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2016/1832/HOUSE

    Erection of rear garden room

    4 East Ridgeway, Cuffley, Potters Bar, EN6 4AP

    Received 5 Sept 2016
  2. Decided - Split6/2024/2244/COND

    Submission of details pursuant to Condition 1 (Construction Method Statement), 2 (Reptile Survey), 3 (Tree Survey), 4 (Arboricultural Impact Assessment), 5 (Biodiversity), 6 (Samples of the Materials), 7 (Crown Roofs), 8 (Landscape Works) 9 (Energy Statement) 11 (EV Charging) 12 (Vehicular areas) 13 (Cycle and Refuse/Recycling Storage) on planning permission 6/2022/1308/FULL

    41 Hawkshead Lane North Mymms AL9 7TD

    Received 21 Nov 2024
  3. Decided - WithdrawnS6/2004/0343/FP

    ERECTION OF REAR EXTENSION , ALTERATION AND EXTENSION TO ROOF AND REAR DORMERS TO PROVIDE ACCOMODATION AT FIRST FLOOR

    23 Kingswell Ride Cuffley Potters Bar EN6 4LH

    Received 9 Mar 2004
  4. Decided - Granted6/2025/1793/HOUSE

    Erection of a single storey rear extension, front canopy and installation of a ground floor side elevation window on the existing dwelling.

    59 Northaw Road East Cuffley Potters Bar EN6 4LY

    Received 22 Aug 2025
  5. Decided - GrantedW6/2004/1432/EM

    ERECTION OF REAR CONSERVATORY

    55 Oakdale, Welwyn Garden City, AL8 7QP

    Received 28 Sept 2004
  6. Decided - Refused6/2024/1895/TPO

    2 x Silver birches branches thinned out. Fell 1 x Hornbeam. (TPO 641 G5 (2017))

    20 Mardley Heights Welwyn AL6 0SX

    Received 1 Oct 2024
  7. Appeal Decided - Dismissed6/2019/3153/FULL

    Conversion of existing barn to residential dwelling

    7 Normans Lane Welwyn AL6 9TQ

    Received 16 Dec 2019
  8. Decided - Granted6/2022/1279/COND

    Submission of details pursuant to Condition 1 (panel brickwork, replacement brick, brick bond, mortar mix and pointing profile) on planning permission 6/2022/0176/FULL

    St Marys Church Church Street Welwyn AL6 9LX

    Received 30 May 2022
  9. Decided6/2025/0783/TC

    Magnolia to reduce by 1.5m in height and 0.5m in width. Norway maple to reduce by 1.5m height and 1m width. Cherry to reduce by 1m height and width. Eucalyptus to reduce by 4m height & 2m width.

    42 Turmore Dale Welwyn Garden City AL8 6HS

    Received 28 Apr 2025
  10. Decided - Granted6/2023/1524/TPO

    4 x Hornbeams to reduce by 25% to previous cuts (TPO 876 (2023) G4)

    7 Bluebells Welwyn Hert AL6 0XD

    Received 20 Jul 2023
  11. Decided - Granted6/2018/2666/HOUSE

    Erection of single storey rear extension

    306 Knightsfield Welwyn Garden CityAL8 7NQ

    Received 17 Oct 2018
  12. Decided - Granted6/2016/0548/ADV

    Installation of 4no illuminated signs and 3no non-illuminated signs

    The Red Lion 26 London Road Woolmer Green Knebworth SG3 6JP

    Received 23 Mar 2016
  13. Decided - GrantedN6/2010/0100/TE

    30% CROWN REDUCTION TO OAK TREE IN FRONT GARDEN, REMOVAL OF ONE CHRISTMAS TREE AND ONE OAK TREE, 30% CROWN REDUCTION, REMOVAL OF DEAD BRANCHES AND CROWN LIFT TO 5/6 METERS OF TWO FURTHER OAK TREES. TRIM BACK ONE CONIFER TREE BY 5/6 METERS AND TRIM BACK ONE HOLLY TREE BY 3/4 METERS. TRIM ONE CONIFER BY 5/6 METERS AND REDUCE SPREAD AND CROWN LIFT CEDAR TREE TO 5 METERS.

    25 WOODLAND RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LJ

    Received 25 Jan 2010
  14. Decided - Granted6/2020/2397/EMT

    Fell 1 x Cherry tree

    34 Crossway Welwyn Garden City AL8 7EE

    Received 18 Sept 2020
  15. Decided - RefusedS6/2007/0845/LU

    CERTFICATE OF LAWFULNESS FOR PROPOSED LOFT CONVERSION AND HIP TO GABLE ROOF INCLUDING REAR DORMER WINDOW

    44 Skimpans Close Welham Green Hatfield AL9 7PB

    Received 11 Jun 2007
  16. Decided - GrantedS6/2014/1085/MA

    Reconfiguration and minor redevelopment of existing surface car park to create an additional 51 parking spaces including revised lighting, pedestrian access and new bin store and storage shed

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

    Received 12 May 2014
  17. Decided - Withdrawn6/2018/3284/LB

    Conversion of storage shed into a music rehearsal room

    Hill House Wildhill Road Hatfield AL9 6EB

    Received 28 Dec 2018
  18. Under Consideration6/2024/2296/FULL

    Change of use from Commercial Property (Class E) to Place of Worship (Class F1)

    Arundel House Garnell Business Park Brownfields Welwyn Garden City AL7 1AY

    Received 29 Nov 2024
  19. Decided - Granted6/2026/1254/EMT

    1 x Hornbeam to reduce by approximately 3m height and width.

    94 Parkway Welwyn Garden City AL8 6HL

    Received 16 Jul 2026
  20. Decided - Granted6/2021/2720/EM

    Erection of a single storey side/rear extension, detached garden room, extension of driveway and landscaping works to rear garden following the demolition of existing side extension

    80 Valley Road Welwyn Garden City AL8 7DP

    Received 20 Sept 2021
  21. Decided - Refused6/2020/2730/FULL

    Erection of a single dwelling including adjoining workshop and office space

    The Kennels, The Oak Tree, Ellenbrook Lane, Hatfield, AL10 9NT

    Received 20 Oct 2020
  22. Decided - GrantedW6/2004/0805/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    33 Fordwich Road, Welwyn Garden City, AL8 6EY

    Received 1 Jun 2004
  23. Decided - Granted6/2016/2155/EM

    Erection of single storey rear extension with installation of 3no. rooflights and alterations to front porch and openings

    224 Howlands Welwyn Garden City AL7 4HF

    Received 26 Sept 2016
  24. Decided6/2026/0139/TC

    Repollard 1 x Horse Chestnut back to previous points, removing approx. 3m of regrowth

    1 Applecroft Road Welwyn Garden City AL8 6JZ

    Received 27 Jan 2026

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

All planning guides
  • 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