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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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. Appeal Decided - Allowed6/2023/2502/PN15

    Installation of MBNL 17.5m high HEL Phase 5 tower and associated ancillary works

    Welwyn Garden City Ambulance Station Ascots Lane Welwyn Garden City AL7 4HL

    Received 14 Dec 2023
  2. Decided - Granted6/2024/1260/EM

    Installation of new of new external wall insulation, new roof coverings and new windows, doors and ventilation works

    3 Attimore Close Welwyn Garden City AL8 6LN

    Received 4 Jul 2024
  3. Decided6/2026/0143/TC

    T1-Oak tree in the allotments to lift by 5 metre from ground level T2-Beech tree in the carpark area to lift up by 5 metres from ground level and reduce all around by 2 metres to clear back from the council building, phone lines and carpark

    Lockleys Drive Car Park Lockleys Drive Welwyn AL6 9LU

    Received 28 Jan 2026
  4. Decided - Granted6/2020/2092/HOUSE

    Erection of a ground floor front extension with garage conversion, and ground floor rear extension to replace existing conservatory

    80 Forresters Drive Welwyn Garden City AL7 2HZ

    Received 19 Aug 2020
  5. Decided - Granted6/2024/2029/EM

    Erection of a single storey rear extension to facilitate granny annexe and double storey side extension with new driveway

    57 Crossway Welwyn Garden City AL8 7ED

    Received 21 Oct 2024
  6. Decided - Granted6/2018/0015/FULL

    Installation of canopy and portakabin within area of supermarket car park to create valeting franchise.

    Morrison Supermarket 40 Black Fan Road Welwyn Garden City AL7 1RY

    Received 3 Jan 2018
  7. Decided - Granted6/2019/2404/EM

    Replacement and enlargement of driveway

    22 Walden Road, Welwyn Garden City, AL8 7PF

    Received 30 Sept 2019
  8. Decided - Granted6/2022/2068/HOUSE

    Erection of a part single, part double storey rear extension, installation of solar panels to the proposed rear roof, single storey side extension to replace existing extension

    12 Coneydale Welwyn Garden City Hertfordshire AL8 7RZ

    Received 6 Sept 2022
  9. Decided - GrantedN6/2014/0688/TP

    Reduce and shape by 25% Oak T1 covered by TPO 342

    590 Howlands, Welwyn Garden City, AL7 4ET

    Received 19 Mar 2014
  10. Decided - GrantedN6/2007/1070/TP

    REDUCTION OF BEECH, ASH & EIGHT SYCAMORE TREES BY 1/3 AND THE FELLING OF TWO ASH TREES COVERED BY TPO 266

    2 Harmer Dell Welwyn AL6 0BE

    Received 11 Jul 2007
  11. Decided - GrantedN6/2008/0835/FP

    INSTALLATION OF NEW SHOP FRONT

    1 THE HOWARD CENTRE, HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HA

    Received 28 May 2008
  12. Decided - Granted6/2016/1638/EM

    Formation of hardstanding

    226 Heronswood Road, Welwyn Garden City, AL7 3JQ

    Received 11 Aug 2016
  13. Decided - GrantedN6/2015/1326/FP

    Erection of three dwellings following demolition of existing dwelling

    7 Oaklands Rise Welwyn AL6 0RH

    Received 22 Jun 2015
  14. Decided - GrantedS6/2006/0766/FP

    RETROSPECTIVE APPLICATION FOR A CHANGE OF USE OF LAND FROM AGRICULTURE TO A MIXED USE OF AGRICULTURE AND PRIVATE AMENITY SPACE INCLUDING IRRIGATION POND AND ACCESS DRIVEWAY TO EXISTING RESIDENTIAL UNIT AND FARM SHEDS

    LAND ADJACENT TO, WOODHILL FARM, HATFIELD, HERTFORDSHIRE, AL9 6EE

    Received 9 Jun 2006
  15. Decided - Granted6/2019/2951/EM

    Reduce 1x Gleditsia tree crown by 2.5m Reduce 1x Cherry tree crown by 3m

    21 Dellcott Close Welwyn Garden City AL8 7BB

    Received 22 Nov 2019
  16. Decided - Granted6/2020/2868/HOUSE

    Erection of a single storey rear extension following demolition of existing conservatory

    7 Gorseway Hatfield AL10 9GS

    Received 3 Nov 2020
  17. Decided - Granted6/2015/2368/HOUSE

    Erection of single storey brick extension following removal of existing UPVC conservatory

    168 Parkway, Welwyn Garden City, AL8 6HZ

    Received 24 Nov 2015
  18. Decided6/2023/2395/TC

    T1, T2, T4 Ash to fell to ground level as in poor conditon with Ash Dieback. T3 Conifer to fell to ground level and grind stump. T5 Oak to reduce southwest side to balance tree by 2.5m. Remove deadwood.

    10 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 27 Nov 2023
  19. Decided - Granted6/2020/3172/EMT

    T1 - Maple - fell

    68 Peartree Lane Welwyn Garden City AL7 3UH

    Received 25 Nov 2020
  20. Decided - Granted6/2026/0165/HOUSE

    Erection of a part single and part two storey rear extension, single storey side extensions on eitherside of the dwelling and erection of a detached garage following the demolition of the existing detached garage, balcony and single storey extensions. Alterations to fenestration and hard and soft landscaping

    1 Mannicotts Welwyn Garden City AL8 7BW

    Received 2 Feb 2026
  21. Decided6/2022/2622/TC

    To remove Lombardy poplar in car park as its right next to the curb line and has started to lift the curb (letter S on the tree location plan)

    The Beehive Beehive Lane Welwyn Garden City Hertfordshire AL7 4BW

    Received 17 Nov 2022
  22. Decided - Granted6/2016/0989/PN8

    Prior approval for the erection of single storey rear extension measuring 7.8m depth, 2.775m high and 2.775m eaves height

    3 Kingswell Ride, Cuffley, Potters Bar, EN6 4LH

    Received 19 May 2016
  23. Decided - GrantedS6/2008/0618/OP

    OUTLINE PLANNING APPLICATION FOR ERECTION OF NINE RESIDENTIAL UNITS AND ACCESS

    LAND TO THE REAR OF, 59 STATION ROAD, CUFFLEY, HERTFORDSHIRE, EN6 4HX

    Received 26 Mar 2008
  24. Decided - Granted6/2016/0810/EM

    Removal of Cherry tree

    70 Valley Road, Welwyn Garden City, AL8 7DP

    Received 28 Apr 2016

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
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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