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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 Consideration6/2026/1059/FULL

    Change of use the former satellite array yard to open storage, demolition of all associated redundant buildings and structure, the associated changes to access arrangements, landscaping and environmental enhancements

    Brookmans Park Teleport Great North Road Brookmans Park AL9 6NE

    Received 18 Jun 2026
  2. Decided - Granted6/2023/0853/COND

    Submission of details pursuant to the discharge of condition 2 (Site Waste Management Plan) on planning permission 6/2022/1774/RM

    Land to the north east of King George V Playing Fields Northaw Road East Hertfordshire Cuffley EN6 4RD

    Received 20 Apr 2023
  3. Decided - GrantedN6/2014/1094/DS

    Approval of details reserved by condition 3 (materials) & 4 (hard & soft landscape) of planning permission N6/2013/2705/FP

    56 Hertford Road Digswell Welwyn AL6 0BX

    Received 16 May 2014
  4. Decided - Refused6/2023/0806/LAWE

    Certificate of lawfulness for an existing hipped from gable roof and rear dormer

    3 Ellenbrook Lane Hatfield Hertfordshire AL10 9RW

    Received 14 Apr 2023
  5. Decided - Granted6/2019/1902/HOUSE

    Erection of a single storey rear extension following demolition of outhouse and extension of vehicular hardstanding

    60 Bridge Road Welwyn Garden City AL8 6UR

    Received 5 Aug 2019
  6. Decided - Granted6/2021/3393/EMT

    Reduce T1 Ash tree by one third or back to old pruning points.

    4 Moorend Welwyn Garden City AL7 4QL

    Received 2 Dec 2021
  7. Decided - Granted6/2021/0416/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.00m in height and 2.40m to the eaves

    49 Mulberry Mead Hatfield AL10 9EH

    Received 9 Feb 2021
  8. Decided - RefusedS6/2004/0358/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION, LOFT CONVERSION AND DORMER WINDOWS WITH ROOF TERRACE

    6 Swanland Road North Mymms Hatfield AL9 7TG

    Received 11 Mar 2004
  9. Decided - Granted6/2022/2183/EM

    Erection of single storey rear extension, following demolition of existing conservatory and insertion of window to side elevation. Proposed raised patio area with stepped and ramped access to garden.

    10 Little Dell Welwyn Garden City AL8 7HZ

    Received 21 Sept 2022
  10. Decided6/2026/0418/TC

    T1659 Norway maple to felled. Provision of replacement planting.

    8-12 First Floor Salisbury Square Hatfield AL9 5AD

    Received 6 Mar 2026
  11. Decided - GrantedW6/2004/1419/EM

    ERECTION OF TWO STOREY REAR EXTENSION

    11 Cowper Road, Welwyn Garden City, AL7 3LT

    Received 23 Sept 2004
  12. Decided - Granted6/2017/2140/VAR

    Variation of condition 1 (approved plans) on planning permission 6/2017/0025/HOUSE.

    14 Dolesbury Drive Welwyn AL6 0QF

    Received 21 Sept 2017
  13. Decided - GrantedN6/2009/1396/FP

    ERECTION OF GARDEN SHED

    BACKHOUSE ROOM, 116 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SZ

    Received 15 Jun 2009
  14. Decided - GrantedN6/2004/1607/FP

    ERECTION OF REAR CONSERVATORY

    47 Poppyfields Welwyn Garden City AL7 2HJ

    Received 29 Oct 2004
  15. Decided - Granted6/2019/2779/HOUSE

    Erection of a front porch

    30 Birchwood Close Hatfield AL10 0PP

    Received 4 Nov 2019
  16. Decided - Granted6/2017/1664/HOUSE

    Erection of front porch, single storey side and single storey rear extensions following demolition of existing conservatory

    15 Brickfield Hatfield AL10 8TN

    Received 28 Jul 2017
  17. Decided - Split6/2017/1707/COND

    Submission of details pursuant to condition 1 (materials samples), 2 (surface water drainage scheme), 3 (hard and soft landscaping) and 6 (car parking scheme) on planning permission 6/2017/0777/FULL, dated 20/06/2017

    Land between 46 & 48 Peplins Way Brookmans Park Hatfield AL9 7UU

    Received 3 Aug 2017
  18. Decided - Refused6/2021/0932/HOUSE

    Erection of patio, swimming pool and fencing in rear garden

    East Ridge House 9A East Ridgeway Cuffley Potters Bar EN6 4AW

    Received 23 Mar 2021
  19. Decided - GrantedN6/2013/0904/FP

    Relocation of detached garage and oil tank

    Barfrey House, Brocket Road, WELWYN GARDEN CITY, AL8 7TT

    Received 30 Apr 2013
  20. Decided - GrantedN6/2004/0083/FP

    REDEVELOPMENT OF SITE WITH 10 HOUSES AND 14 FLATS

    67 Lemsford Lane Welwyn Garden City AL8 6YN

    Received 20 Jan 2004
  21. Decided - GrantedN6/2010/0195/TC

    CROWN REDUCTION OF SILVER BIRCH TREE BY 20%

    6 FARM CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RP

    Received 8 Feb 2010
  22. Decided - GrantedN6/2006/0049/AD

    RELOCATION OF EXISTING SIGNAGE PANEL ABOVE ATM MACHINE

    BARCLAYS BANK PLC., UNIT 12/12A, HOWARDSGATE, THE HOWARD CENTRE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HA

    Received 16 Jan 2006
  23. Decided - Granted6/2019/0205/HOUSE

    Erection of single storey rear extension following demolition of conservatory & garage

    58 Pooleys Lane Welham Green Hatfield AL9 7LF

    Received 30 Jan 2019
  24. Decided - Granted6/2017/1120/ADV

    Installation of 4x internally illuminated fascia signs and 1x internally illuminated hanging sign

    52 Howardsgate Welwyn Garden City AL8 6BP

    Received 23 May 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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Guides to planning records

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  • 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