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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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. Under Consultation6/2026/1131/MAJ

    Erection of 127 dwellings including access, public open space, landscaping, parking and associated infrastructure works

    Land North of Dixons Hill Road Welham Green

    Received 26 Jun 2026
  2. Decided - GrantedN6/2008/0009/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND FRONT EXTENSION TO GARAGE

    15 SYLVANDALE, WELWYN GARDEN CITY, HERTS, AL7 2HP

    Received 3 Jan 2008
  3. Decided - Granted6/2025/0141/HOUSE

    Erection of two storey rear and side extension and alterations to the roof including raising the roof ridge height, formation of rear dormers and insertion of rooflights, garage conversion with alterations to the fenestration and replacement roof with rooflight, following the demolition of single storey side extension

    10 Starling Lane Cuffley Potters Bar EN6 4JX

    Received 28 Jan 2025
  4. Decided - GrantedN6/2014/1266/FP

    Conversion and extension of existing barn to form a new dwelling

    Badger Cottage, 6 Whitehill, Ayot St Peter, Welwyn, AL6 9AF

    Received 5 Jun 2014
  5. Decided - Granted6/2016/2694/EM

    Replacement of existing garage doors.

    7 Densley Close Welwyn Garden City AL8 7JX

    Received 20 Dec 2016
  6. Decided - Withdrawn6/2019/2776/VAR

    Removal of condition 9 (shared surface access) on planning permission 6/2018/3125/FULL

    12 Tolmers Gardens, Cuffley, Potters Bar, EN6 4JE

    Received 4 Nov 2019
  7. Decided - Refused6/2022/2421/LAWE

    Certificate of lawfulness for the existing use of the property as a sui generis HMO for over 10 years

    136 Travellers Lane Hatfield AL10 8SS

    Received 19 Oct 2022
  8. Decided - Granted6/2019/0490/HOUSE

    Erection of single storey side extension to create double garage

    Vixendell Lane End Hatfield AL10 9AG

    Received 4 Mar 2019
  9. Decided - SplitN6/2015/1442/DS

    Approval of details reserved by conditions 3 (landscaping), 4 (Materials), 5 (Energy Efficiency), 6 (Contruction method), 7 (Lighting), 8 (drainage), 9 (Remediation Scheme), 10 (Car Parking), 11 (Vehicular access) & 13 (Recycling storage area) of planning permission N6/2014/1228/FP

    Garages at, Burycroft, Welwyn Garden City, AL8 7AW

    Received 6 Jul 2015
  10. Decided - GrantedN6/2012/2589/TC

    Reduce six Conifer trees by 50%

    5 Beehive Lane, WELWYN GARDEN CITY, AL7 4BB

    Received 28 Nov 2012
  11. Decided - Refused6/2019/2208/EM

    Extension of existing driveway

    177 Parkway Welwyn Garden City AL8 6JA

    Received 5 Sept 2019
  12. Decided - Granted6/2017/2380/EM

    Reduce overhang of 2 x Purple Plum trees by a third

    7 Homerfield Welwyn Garden City AL8 6QZ

    Received 16 Oct 2017
  13. Decided - WithdrawnS6/2007/1797/MA

    CONVERSION OF BUILDING WITH NEW MANSARD, INTO 14 SELF CONTAINED FLATS WITH ASSOCIATED PARKING AND LANDSCAPING

    UNIT 69 BRIDGE HOUSE, STATION ROAD, CUFFLEY, HERTFORDSHIRE, EN6 4TG

    Received 26 Nov 2007
  14. Decided - GrantedN6/2013/0503/FP

    Erection of 4 x 2 bed flats and 1 x 1 bed flat following demolition of existing dwelling

    1 Elizabeth Close, WELWYN GARDEN CITY, AL7 2JD

    Received 8 Mar 2013
  15. Decided - RefusedW6/2007/0889/EM

    CONVERSION OF DWELLING INTO, TWO SELF CONTAINED FLATS AND ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION.

    13 Youngs Rise, Welwyn Garden City, AL8 6RT

    Received 12 Jun 2007
  16. DecidedN6/2008/2025/TE

    MAINTENANCE TO OAK TREE, LIFT CROWN OF BEECH AND FIELD MAPLE TREES TO 3 METRES, REDUCE 2 X LAWSON CYPRESS TREES, REMOVE 1 X LAWSON CYPRESS TREE, REMOVE 3 X HOLLY TREES AND MAINTENANCE TO LAUREL. ALL WORKS IN REAR GARDEN.

    20 CONEYDALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RZ

    Received 27 Oct 2008
  17. DecidedN6/2014/1221/TC

    Reduce 1 Oak tree, 4 Sycamore trees, 1 Apple tree, 2 Pine trees and 3 conifer trees by 40% plus removal of dead branches

    9 Brockett Close, Welwyn Garden City, AL8 7BN

    Received 6 Jun 2014
  18. Decided - GrantedN6/2004/0594/FP

    ERECTION OF SINGLE STOREY SIDE AND FRONT EXTENSION AND DETACHED GARAGE

    112 Harmer Green Lane Digswell Welwyn AL6 0ET

    Received 22 Apr 2004
  19. Decided - Granted6/2022/0406/HOUSE

    Erection of a rear/side ground floor single storey extension

    11 The Commons Welwyn Garden City AL7 4RW

    Received 22 Feb 2022
  20. Decided - RefusedW6/2005/1585/EM

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSIONS

    59 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 22 Dec 2005
  21. Decided - Granted6/2025/1660/FULL

    Erection of a single storey log cabin

    Birchwood Nursery School Birchway Hatfield AL10 0PD

    Received 1 Aug 2025
  22. Decided - GrantedW6/2004/1665/EM

    ERECTION OF REAR CONSERVATORY

    4 Harebell, Welwyn Garden City, AL7 4HR

    Received 10 Nov 2004
  23. Decided - GrantedS6/2014/1710/FP

    Erection of single storey front extension, conversion of garage to habitable accommodation, alterations to rear elevation fenestration and extension to side dormers

    25 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BY

    Received 30 Jul 2014
  24. Decided - GrantedN6/2010/0203/FP

    CHANGE OF USE TO ADMINISTRATION/TAXIS OFFICE

    UNIT 6, PEARTREE FARM, PEARTREE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3UW

    Received 11 Feb 2010

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

    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