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
37,757Searchable applications
335Recorded as pending
86%Approval rate · 31,522 approved or refused records
4,424Refused applications

27,098 approved · 4,424 refused · 2,032 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0025/HOUSE

    Erection of 2 single storey front infill extensions. Conversion of existing garage to habitable room. Erection of single storey side infill and rear extension with installation of 4 roof lights. Alterations to existing roof and installation of 2 roof lights. Removal of chimney. Alterations to openings and fenestrations.

    14 Dolesbury Drive Welwyn AL6 0QF

    Received 6 Jan 2017
  2. Decided - Granted6/2017/0583/ADV

    Installation of 9 non-illuminated fascia signs and 9 non-illuminated other signs

    Travis Perkins Travellers Lane Welham Green Hatfield AL9 7HF

    Received 21 Mar 2017
  3. Decided - GrantedN6/2015/1302/TC

    Removal of lowest limb from broadleaf species tree and reduce Apple tree by approx 2m

    4 Barleycroft Green, Welwyn Garden City, AL8 6JY

    Received 19 Jun 2015
  4. DecidedN6/2009/0133/TC

    MAINTENANCE TO VARIOUS COUNCIL TREES AS PER ATTACHED SCHEDULE

    CAMPUS EAST CAR PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6AE

    Received 12 Jan 2009
  5. Decided - GrantedS6/2009/1829/LU

    CERTIFICATE OF LAWFULNESS FOR A PROPOSED SINGLE STOREY REAR EXTENSION

    11 GOBIONS WAY, LITTLE WAY, POTTERS BAR, HERTFORDSHIRE, EN6 1NW

    Received 24 Aug 2009
  6. Decided - GrantedS6/2013/1945/FP

    Erection of rear conservatory following demolition of existing conservatory

    Rosevear, Coningsby Close, Welham Green, Hatfield, AL9 7PU

    Received 5 Sept 2013
  7. Decided - Granted6/2020/3457/FULL

    Redevelopment of an existing dwelling to provide 2 x three bedroom dwellings

    73 Bluebridge Road Hatfield AL9 7UW

    Received 30 Dec 2020
  8. Decided - Split6/2017/1327/COND

    Submission of details pursuant to conditions 2 (parking, cycle & bin storage) and 5( cycle storage) on planning permission 6/2016/1031/FULL dated 10/11/2016

    8 Harpsfield Broadway Hatfield AL10 9TF

    Received 20 Jun 2017
  9. Decided - Refused6/2022/0647/FULL

    Conversion of dwelling into two 1 x bedroom flats with erection of a single storey ground floor front extension

    28 Hillcrest Hatfield Hertfordshire AL10 8HG

    Received 18 Mar 2022
  10. Decided - Granted6/2024/0711/EM

    Replacing rotting garden shed (250x255cm) and large trampoline with a new wooden shed (600x300cm) and no trampoline

    62 Great Dell, Welwyn Garden City, AL8 7JB

    Received 16 Apr 2024
  11. Decided6/2017/2459/TPO

    Removal of 1 Conifer tree from 27 High Oaks Road and 1 Hawthorn tree from 29 High Oaks Road - Conservation Area

    27 and 29 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 23 Oct 2017
  12. Decided - WithdrawnS6/2013/2202/FP

    Erection of side, rear single storey, and side and rear first floor extensions

    17 Kingsmead, Cuffley, Potters Bar, EN6 4AN

    Received 16 Oct 2013
  13. Decided - GrantedS6/2014/2634/FP

    Erection of single storey side extension and two storey rear extension with front porch

    14 Grangewood, Little Heath, Potters Bar, EN6 1SH

    Received 5 Dec 2014
  14. Decided - Refused6/2021/2942/HOUSE

    Erection of a single storey rear extension involving demolition of existing rear conservatory, insertion of 1 x door to side elevation, conversion of loft to habitable use to include 1 x rear dormer with roof light

    7 Hurstlings Welwyn Garden City AL7 3LX

    Received 13 Oct 2021
  15. Decided - GrantedW6/2007/1053/EM

    FORMATION OF VEHICLE HARDSTANDING FOLLOWED BY PARTIAL HEDGE REMOVAL

    11 Beehive Lane, Welwyn Garden City, AL7 4BB

    Received 16 Jul 2007
  16. Decided - Granted6/2016/1393/COND

    Approval of details reserved by condition 12 (School Travel Plan) on planning permission S6/2015/0016/S73A

    Bishops Hatfield Girls School, Woods Avenue, Hatfield, AL10 8NL

    Received 8 Jul 2016
  17. Under Consultation6/2026/1810/EMT

    1 x Leyland cypress (made up of numerous stems) to reduce by approximately 4m height. Reduce width by approximately 1.5-2m

    2 Handside Close Welwyn Garden City AL8 6SR

    Received 8 Oct 2026
  18. DecidedN6/2009/0998/TC

    REMOVAL OF MOUNTAIN ASH, CHERRY TREE AN APPLE TREE AND FOUR SMALL CONIFERS ALL FROM THE BACK GARDEN

    64 VALLEY ROAD, WELWYN GARDEN CITY, HERTS, AL8 7DN

    Received 8 May 2009
  19. Decided - Granted6/2020/1527/TPO

    Reduce 1 x Spruce lower canopy by around 2.5m width. Lift over car port to clear by 3m. to maintain size under TPO24A3

    53 Mardley Hill Welwyn AL6 0TT

    Received 29 Jun 2020
  20. Decided - GrantedW6/2015/0135/EM

    Installation of new window and bi fold doors to rear elevation and flat glass rooflight to flat roof

    22 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 26 Jan 2015
  21. Decided - Split6/2021/0065/COND

    Submission of details pursuant to conditions 2 (tree protection plan and method statement) and 3 (soft landscaping) on planning permission 6/2017/0638/HOUSE

    22 Moffats Lane Hatfield AL9 7RU

    Received 11 Jan 2021
  22. Decided - GrantedN6/2009/0070/EM

    ERECTION OF REAR CONSERVATORY

    30 PARKFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6ED

    Received 13 Jan 2009
  23. Decided - GrantedW6/2014/1224/TE

    Removal of 3 Cherry trees and reduce hornbeam tree by 25%

    19 Scholars Mews, Welwyn Garden City, AL8 7JQ

    Received 9 Jun 2014
  24. Decided - Granted6/2019/1284/HOUSE

    Erection of a two storey rear and side extension

    7 Melbourne Court Welwyn Garden City AL8 6LL

    Received 30 May 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

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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