PlanningTrack
Get started

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
39,310Searchable applications
344Recorded as pending
86%Approval rate · 32,876 approved or refused records
4,702Refused applications

28,174 approved · 4,702 refused · 2,155 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedS6/2015/0967/FP

    Increase roof height to form larger front dormer window and new flat roof to the rear gable to create balcony

    47 Brookside Crescent, Cuffley, Potters Bar, EN6 4QW

    Received 6 May 2015
  2. Decided - Granted6/2022/2723/LAWP

    Certificate of lawfulness for proposed single storey side extension

    93 Harmer Green Lane Digswell Welwyn AL6 0EY

    Received 1 Dec 2022
  3. Decided - RefusedS6/2009/2276/LU

    CERTIFICATE OF LAWFULNESS FOR SUBDIVISION OF EXISTING UNIT WITH FULL HEIGHT PARTITION AND CONSTRUCTION OF TWO MEZZANINE FLOORS OF 199SQM

    HABITAT UNIT, OLDINGS CORNER RETAIL PARK, GREAT NORTH ROAD, HATFIELD, HERTFORDSHIRE, AL9 5JY

    Received 8 Oct 2009
  4. Decided - GrantedN6/2015/1390/TC

    Removal of hedge

    67 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 1 Jul 2015
  5. Decided - Granted6/2018/1973/COND

    Submission of details pursuant to condition 1 (survey regarding removal of suspended ceiling and partition walls) and 4 (archaeological investigation) on consent 6/2017/2622/LB.

    St. Ethelreda's Church Hall Church Street Hatfield AL9 5AR

    Received 26 Jul 2018
  6. Decided - GrantedW6/2014/2023/EM

    Erection of single storey side extension

    16 Sheepcote, Welwyn Garden City, AL7 4QD

    Received 26 Sept 2014
  7. Decided - Granted6/2022/1076/TPO

    Reduce 8 Lime Trees by 4-5 meters (4-5m off the top and brining the sides in to shape) due to excessive shading size and untidiness, all are covered by two blanket TPOs ( TPO3 W4 and TPO 618 (2017) W1)

    Lime Wood High Road Essendon Hatfield AL9 6HP

    Received 9 May 2022
  8. Decided - Granted6/2015/1546/EM

    Erection of single storey rear extension

    535 Howlands, Welwyn Garden City, AL7 4HT

    Received 29 Jul 2015
  9. Decided6/2023/1774/TC

    Fell 1 x dead cherry tree to leave a stump approximately 1m high, Reduce crown 1 x apple tree by 4m, Fell 1 x Eucalyptus to ground level

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 23 Aug 2023
  10. Decided - GrantedW6/2015/0343/TE

    Crown thin Purple Leaf Plum tree by 10% and reduction of 30%

    70 Pentley Park, Welwyn Garden City, AL8 7SG

    Received 19 Feb 2015
  11. Decided - WithdrawnS6/2015/0215/FP

    Change of use from residential dwelling (C3) to a care home without nursing (C3(b))

    33 Travellers Lane Hatfield AL10 8SB

    Received 4 Feb 2015
  12. Decided - GrantedN6/2007/1420/TP

    WORKS TO 2 OAK TREES COVERED BY TPO 24

    Oak House 3 Mardley Heights Welwyn AL6 0TX

    Received 25 Sept 2007
  13. Decided - GrantedN6/2013/1650/FP

    Installation of 26 solar PV cells and 1 solar PV tracker following removal of 2 wind turbines

    Tesco Stores Ltd, Progress House, Shires Park, Falcon Way, Welwyn Garden City, AL7 1GB

    Received 29 Jul 2013
  14. Decided - Granted6/2024/0484/LAWP

    Certificate of lawfulness for Installation of solar panels to main roof and garage

    27 Coneydale Welwyn Garden City AL8 7RX

    Received 13 Mar 2024
  15. Decided - GrantedN6/2004/1459/AD

    RETENTION OF NON-ILLUMINATED PROJECTING SIGN

    OAKLEIGH HOUSE, 45 HIGH STREET, WELWYN, HERTFORDSHIRE, AL6 9EH

    Received 1 Oct 2004
  16. Decided - Refused6/2022/0952/HOUSE

    Erection of part single storey, part two storey rear extension and installation of a Juliette balcony at first floor level and relocation of existing side door

    91 Chelwood Avenue Hatfield Hertfordshire AL10 0RF

    Received 21 Apr 2022
  17. Decided - Granted6/2020/0040/EM

    Removal of rear boundary Conifer Hedge between 31 and 29 Beehive Lane and replace with fencing.

    31 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 7 Jan 2020
  18. Decided - Granted6/2021/1361/TPO

    T11 and T12 oaks - reduce crowns by 30% T13, T14, T15, T16 and T17 oaks - remove epicormic growth deadwood and thin crowns by 20%

    53 Peplins Way Brookmans Park AL9 7UR

    Received 28 Apr 2021
  19. Decided - GrantedN6/2014/0851/LUP

    Certificate of lawfulness for the proposed alterations to external elevation and new ramp

    Cereal Partners UK LTD, 1 Bridge Road, Welwyn Garden City, AL7 1RR

    Received 22 Apr 2014
  20. Decided - GrantedW6/2007/0246/EM

    ERECTION OF TWO STOREY SIDE EXTENSION AND SINGLE STOREY FRONT AND REAR EXTENSIONS

    5 Crossway, Welwyn Garden City, AL8 7EB

    Received 15 Feb 2007
  21. DecidedN6/2014/1791/TC

    Reduce Ash tree to within 1m of previous cut and remove Rowan tree

    2 Ashley Close, Welwyn Garden City, AL8 7LH

    Received 11 Aug 2014
  22. Decided - RefusedN6/2007/1883/FP

    ERECTION OF A TWO STOREY SIDE EXTENSION AND FORMATION OF NEW PARKING BAY

    17 LEMSFORD VILLAGE, LEMSFORD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7TN

    Received 17 Dec 2007
  23. Decided - Withdrawn6/2017/0339/TPO

    Fell Pine tree covered by TPO 450 (2011)

    9 Reeves Court Welwyn AL6 9FU

    Received 22 Feb 2017
  24. Decided - Refused6/2025/2032/FULL

    Retrospective change of use from C3 (residential) to C4 (5 bedroom HMO)

    15 Ely Close Hatfield AL10 0DW

    Received 23 Sept 2025

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Applications by postcode area

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities