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
36,381Searchable applications
333Recorded as pending
86%Approval rate · 30,306 approved or refused records
4,139Refused applications

26,167 approved · 4,139 refused · 1,938 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - WithdrawnH/1996/5248/EM

    Erection of new front porch

    134 Millwards Hatfield AL10 8UY

    Received 1 Jan 1996
  2. Decided - Granted6/2021/0887/EMT

    1 x Oak to reduce by 1.5m height & 2.5m width and remove major deadwood from crown. 1 x Field Maple to reduce by 3.5m height & 2m width. Clear phone line by 1m where possible

    2 Breakmead Welwyn Garden City AL7 3HG

    Received 18 Mar 2021
  3. Decided - Granted6/2019/2981/FULL

    Resurfacing existing car park and the erection of a metal bull statue

    Miller & Carter Great North Road Hatfield AL9 6NA

    Received 27 Nov 2019
  4. Decided - Granted6/2021/3271/FULL

    Retention of two storage shelters

    The Beacon Mosquito Way Hatfield AL10 9WN

    Received 17 Nov 2021
  5. Decided - Granted6/2021/1064/HOUSE

    Erection of part single, part two storey front extension; two storey side extension; part single, part two storey rear extension; garage conversion; enlargement of roof; insertion of side and rear rooflights; and front facade alterations.

    9 Calder Avenue Brookmans Park Hatfield AL9 7AH

    Received 31 Mar 2021
  6. Decided - Granted6/2019/1001/COND

    Submission of details pursuant to condition 1 (materials samples) on planning permission 6/2018/2190/HOUSE, dated 13/11/2018

    The Old Vicarage North Mymms Park Tollgate Road North Mymms Hatfield AL9 7TN

    Received 25 Apr 2019
  7. Decided6/2020/2954/TC

    1 x Cherry Plum to fell to ground level (dead). Client is replacing with a Himalayan Birch

    60 Crossway Welwyn Garden City AL8 7EE

    Received 11 Nov 2020
  8. Decided - Refused6/2025/0182/PN19

    Prior approval for the erection of two agricultural buildings for storage of hay and agricultural machinery

    Colesdale Farm Northaw Road West Northaw Potters Bar EN6 4QZ

    Received 3 Feb 2025
  9. Decided - GrantedS6/2009/2661/FP

    INSTALLATION OF CAR LIFT BENEATH THE PARKING AREA (IN ASSOCIATION WITH RETENTION OF EXISTING DWELLING AS APPROVED S6/2009/0222/FP)

    WEST LODGE, COOPERS LANE, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NE

    Received 10 Dec 2009
  10. Decided - RefusedS6/2008/0326/FP

    ERECTION OF 5 BEDROOM DWELLING FOLLOWING DEMOLITION OF EXISTING DWELLING AND FRONT BOUNDARY WALL WITH RAILINGS AND GATES.

    OAKTREES, VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PG

    Received 19 Feb 2008
  11. Decided - Refused6/2019/0079/EM

    Erection of a single storey rear extension

    47 Woodhall Lane Welwyn Garden City AL7 3TB

    Received 16 Jan 2019
  12. Decided - WithdrawnS6/2008/0909/LB

    CHANGE OF USE FROM A3 TO A1(RETAIL)

    THE GATE HOUSE, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10 9TF

    Received 10 Jun 2008
  13. Decided - Granted6/2017/0771/LAWP

    Certificate of lawfulness for the erection of a hip to gable loft extension with rear dormer to include juliet balcony and 3 rooflights.

    5 Firs Wood Close Northaw Potters Bar EN6 4BY

    Received 18 Apr 2017
  14. Decided - Granted6/2023/0535/EM

    Erection of new garden studio following demolition of existing

    2 Densley Close Welwyn Garden City AL8 7JX

    Received 9 Mar 2023
  15. Decided - Granted6/2021/0717/HOUSE

    Erection of a single storey side, first floor rear extension with hipped to gable roof extensions

    1 The Driveway Cuffley Potters Bar EN6 4EB

    Received 4 Mar 2021
  16. Decided - Refused6/2025/0097/COND

    Submission of details pursuant to condition number 18 (fire hydrants), 19 (external lighting), 20 (EV charging) and 21 (communications infrastructure), on planning permission 6/2022/1375/MAJ

    Land at Hollybush Lane to the east of A1000 and north of Ascots Lane Creswick Welwyn Garden City

    Received 21 Jan 2025
  17. Decided - Granted6/2018/3214/LB

    Alterations to retain the tuck pointing and raddling on the front (east)elevation and Maintenance works to the north and south elevations

    Lucknow, 11A High Street Welwyn AL6 9EE

    Received 18 Dec 2018
  18. Decided - GrantedW6/2008/2480/EM

    INSTALLATION OF SATELLITE DISH

    60 GREAT GANETT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3DE

    Received 23 Dec 2008
  19. Decided - GrantedS6/2007/1447/FP

    ERECTION OF DETACHED DWELLING AND CHALET BUNGALOW FOLLOWING DEMOLITION OF EXISTING DWELLING

    36 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTS, EN6 4QA

    Received 28 Sept 2007
  20. Decided6/2020/3093/TC

    3-4m crown reduction - ash tree Remove deadwood

    18 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 20 Nov 2020
  21. Decided - Granted6/2016/0806/EM

    Erection of single storey rear extension

    17 Monkswood, Welwyn Garden City, AL8 7EF

    Received 28 Apr 2016
  22. Appeal Decided - AllowedN6/2008/1780/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION, TWO STOREY SIDE EXTENSION & FORMATION OF HARDSURFACING ON FRONTAGE OF PROPERTY

    4 Holly Road Woolmer Green Knebworth SG3 6LL

    Received 17 Sept 2008
  23. Decided - Granted6/2017/0268/HOUSE

    Erection of a single storey front and side extension, single storey rear extension, and 4no side roof lights.

    2 Oaklands Avenue, Brookmans Park, Hatfield, AL9 7UJ

    Received 13 Feb 2017
  24. Decided - Withdrawn6/2019/2370/LAWP

    Certificate of lawfulness for the installation of a rear dormer

    15 Homestead Lane Welwyn Garden City AL7 4LT

    Received 25 Sept 2019

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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

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