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
40,120Searchable applications
300Recorded as pending
86%Approval rate · 33,652 approved or refused records
4,801Refused applications

28,851 approved · 4,801 refused · 2,206 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedS6/2007/1456/AD

    INSTALLATION OF ILLUMINATED SIGN TO THE SOUTH FAÇADE

    THE GALLERIA OUTLET CENTRE, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10 0XR

    Received 1 Oct 2007
  2. Appeal Decided - DismissedS6/2009/0939/FP

    CHANGE OF USE OF PART OF FUNCTION HALL AT PUBLIC HOUSE (A4/D2) TO HOT FOOD OUTLET (A5) AND EXTERNAL ALTERATIONS TO FENESTRATION

    The Harrier Public House 91 Bishops Rise Hatfield AL10 9BZ

    Received 1 May 2009
  3. Decided - Granted6/2025/2620/TPO

    T1 Douglas Fir - weight reduction on large limb growing over driveway by reducing limb back by up to 2m from branch tip. Weight reduction on 2 low branches over driveway by reducing branches by up to 1m from branch tips - TPO 819 (2018)

    17 Wendover Drive Welwyn AL6 9LT

    Received 24 Dec 2025
  4. Decided - GrantedW6/2009/0160/EM

    REMOVAL OF PART OF FRONT HEDGE AND FORMATION OF VEHICLE HARDSTANDING

    4 THUMBSWOOD, WELWYN GARDEN CITY, HERTS, AL7 4QE

    Received 19 Feb 2009
  5. Decided - Withdrawn6/2020/1568/EM

    Construction of external chimney

    38 Parkway Welwyn Garden City AL8 6HQ

    Received 1 Jul 2020
  6. Decided - Granted6/2026/0395/TPO

    1 x Holly to fell. (TPO 907 (2023) W1 & TPO 194 (1995) A1)

    7 Broadleaf Grove Welwyn Garden City AL8 7AZ

    Received 4 Mar 2026
  7. Decided - WithdrawnS6/2008/0876/MA

    ERECTION OF NEW DETACHED DWELLING, FOLLOWING DEMOLITION OF EXISTING DWELLING

    WOODHILL FARM HOUSE, KENTISH LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 6JY

    Received 4 Jun 2008
  8. Under Consultation6/2026/1761/FULL

    Erection of one dwelling, with garage wing, external landscaping and associated works following demolition of existing dwelling and outbuildings

    12-14 Bell Lane Brookmans Park AL9 7AY

    Received 5 Oct 2026
  9. Decided - Granted6/2026/1170/HOUSE

    Conversion of garage into study room with alterations to the front elevation, repositioning of lower ground floor entrance hall, erection of two storey infill side extension with internal alterations, replacement of existing front and side building brickwork with K-Render finish, removal of chimney and installation of 2 rooflights

    6 Highfields Cuffley Potters Bar EN6 4EL

    Received 6 Jul 2026
  10. Decided - Granted6/2022/2551/EM

    Single storey rear extension with roof lights and permeable block paving to existing driveway

    7 Boundary Lane Welwyn Garden City AL7 4EA

    Received 7 Nov 2022
  11. Decided - Granted6/2024/1242/LAWP

    Certificate of lawfulness to change the use of the property to an extended short breaks service for children from 8 - 18 years with learning disabilities/ autism

    43 Lincoln Close Welwyn Garden City AL7 2NN

    Received 2 Jul 2024
  12. Decided - Granted6/2023/2515/FULL

    Retention of a temporary cabin structure for sales use for a temporary period of 2 years

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

    Received 18 Dec 2023
  13. Decided - Granted6/2022/0383/HOUSE

    Erection of single storey rear extension

    37 Wyton Welwyn Garden City AL7 2PE

    Received 18 Feb 2022
  14. Decided - Granted6/2021/1077/EMT

    Crown reduce 1 x Oak Tree by 30%

    10 Attimore Close Welwyn Garden City AL8 6LN

    Received 31 Mar 2021
  15. Decided - Granted6/2026/0348/HOUSE

    Part garage conversion, insertion of roof lights and alterations to openings to side and rear elevations

    Church Lodge Vineyards Road Northaw EN6 4NZ

    Received 25 Feb 2026
  16. Decided - GrantedC6/1988/1232/FP

    Change of use from industrial (Class B1) to storage and packing (Class B8)

    18 Tewin Court, Tewin Road, Welwyn Garden City, AL7 1AU

    Received 1 Jan 1988
  17. Decided - GrantedN6/2013/2046/FP

    Change of use of public amenity land and retention of vechicle crossover, hardstanding, fencing and gates

    23 Holwell Road, Welwyn Garden City, AL7 3RE

    Received 23 Sept 2013
  18. DecidedN6/2009/0237/TC

    REDUCE AND SHAPE CROWN OF PURPLE PLUM TREE BY 20%

    Land at 28 Sheepcote Welwyn Garden City AL7 4QD

    Received 22 Jan 2009
  19. Decided - Refused6/2024/0075/HOUSE

    Alterations to existing windows, door and wall to form opening for bi-fold doors and relocation of existing rain water pipe

    20 Danesbury Park North Ride Welwyn AL6 9SA

    Received 10 Jan 2024
  20. Decided - Refused6/2021/3228/HOUSE

    Conversion of loft to habitable use with insertion of 2 x front dormers, 2 x rear dormers, and 3 x skylights, and erection of a front porch

    6 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 11 Nov 2021
  21. Decided - GrantedN6/2004/0379/FP

    ERECTION OF TWO STOREY EXTENSION

    33 Station Road Digswell Welwyn AL6 0EA

    Received 12 Mar 2004
  22. Decided - Withdrawn6/2025/0322/HOUSE

    Erection of first floor extension and two storey front and rear extensions

    9 Dolesbury Drive Welwyn AL6 0QE

    Received 19 Feb 2025
  23. Decided - Granted6/2022/2101/LAWP

    Certificate of lawfulness for proposed conversion of existing outbuilding

    7 Raymonds Plain Welwyn Garden City AL7 4TQ

    Received 8 Sept 2022
  24. Decided - Granted6/2017/1589/PN8

    Prior approval for erection of single storey rear extension measuring 5.4 m in length, 4 m in height and 2.8 m to the eaves

    4A The Drive Welwyn AL6 0TR

    Received 20 Jul 2017

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

View all applications

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.

  • 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