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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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - WithdrawnS6/2004/1117/LU

    PROPOSED CERTIFICATE OF LAWFULNESS FOR THE ERECTION OF A PAVILION BUILDING.

    Fairfield Vineyards Road Northaw Potters Bar EN6 4PG

    Received 19 Jul 2004
  2. Decided - Granted6/2018/2043/HOUSE

    Erection of front extension to garage and porch

    11 Northaw Road West Northaw Potters Bar EN6 4NW

    Received 6 Aug 2018
  3. Decided - Granted6/2015/1942/PN8

    Prior approval for single storey rear extension measuring 5.000m in length, 2.621m eaves height and 3.977m high

    71 Peplins Way, Brookmans Park, Hatfield, AL9 7UT

    Received 15 Sept 2015
  4. Decided - Granted6/2018/2529/HOUSE

    Erection of ground floor side extension

    1 Burnside Close Hatfield AL10 0QU

    Received 2 Oct 2018
  5. Decided6/2021/2121/TC

    1 x Sycamore to fell to ground level.

    19 Elm Gardens Welwyn Garden City AL8 6RX

    Received 14 Jul 2021
  6. Decided - Granted6/2021/0601/EMT

    Reduce 1 x Copper Beech tree by 1.5m height & 2m width

    9 Valley Road Welwyn Garden City AL8 7DG

    Received 24 Feb 2021
  7. Decided - Granted6/2016/1604/LB

    Erection of greenhouse following demolition of existing greenhouse

    The Limes, 51 High Road, Essendon, Hatfield, AL9 6HS

    Received 8 Aug 2016
  8. Decided - GrantedN6/2009/2464/TE

    REMOVAL OF TWO POPLAR TREES AND REPLACEMENT WITH TWO CHERRY TREES

    8 HEATHER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XU

    Received 17 Nov 2009
  9. Decided - Granted6/2021/2220/HOUSE

    Erection of a single storey rear extension, insertion of bi-folding doors to existing side elevation and replacement of existing front door.

    52 Woodland Rise Welwyn Garden City AL8 7LF

    Received 22 Jul 2021
  10. Decided - Granted6/2016/1617/EM

    Erection of first floor side extension

    76 Longcroft Lane, Welwyn Garden City, AL8 6EF

    Received 8 Aug 2016
  11. Decided - Granted6/2015/2424/HOUSE

    Loft conversion and creation of dormer windows and conservation type roof lights to provide natural light into the new loft space. opening up of #1 window on the front and #2 windows on the rear elevation. Removal of #1 chimney and making good roof with matching roof tiles.

    31 Digswell Road, Welwyn Garden City, AL8 7PB

    Received 2 Dec 2015
  12. Decided - Granted6/2025/0306/HOUSE

    Erection of a single storey side/rear extension, including garage

    25 Claves Crescent Welwyn Garden City AL7 1WN

    Received 19 Feb 2025
  13. Decided - Granted6/2025/1409/EMT

    G1 - 4 x Cherry to fell (3 of the 4 are dead and the remaining tree has almost no foliage left).

    294 Knightsfield Welwyn Garden City AL8 7NQ

    Received 3 Jul 2025
  14. Decided - Granted6/2025/0799/HOUSE

    Erection of orangery following the demolition of existing conservatory and detached garage

    7 Danesbury Lane Welwyn AL6 9SG

    Received 28 Apr 2025
  15. Decided - Granted6/2018/0461/HOUSE

    Erection of a single storey rear extension following demolition of existing rear conservatory, erection of a two storey side extension, single storey front extension, rear dormer and installation of 8no side roof lights.

    16 Pine Grove Brookmans Park Hatfield AL9 7BS

    Received 15 Feb 2018
  16. Decided - Granted6/2019/0725/TPO

    Fell 1x Poplar tree, covered by TPO 564 (2016) G1

    36 Peregrine Way Hatfield AL10 9UP

    Received 20 Mar 2019
  17. Decided - Granted6/2017/2910/COND

    Submission of details pursuant to condition 8 (Archaeological Written Scheme of Investigation) on planning permission 6/2015/2043/OUTLINE, dated 05/10/2015

    Plot 4100 Gypsy Moth Avenue Hatfield Buisness Park Hatfield

    Received 15 Dec 2017
  18. Decided - GrantedN6/2015/0751/FP

    Erection of single storey rear extension

    19 Turpins Chase Welwyn AL6 0QZ

    Received 7 Apr 2015
  19. Decided - SplitN6/2007/1888/TP

    WORKS TO HORNBEAM TREES T1, T2, T4, T5, T6, T9 & T10 AND REMOVAL OF T3, T7 & T8 ALL COVERED BY TPO 89 G3

    14 Bluebells Welwyn AL6 0XD

    Received 10 Dec 2007
  20. Decided - GrantedN6/2009/2272/FP

    ERECTION OF ACOUSTIC BARRIER FENCING TO EAST BOUNDARY

    THE DOCTORS TONIC, CHURCH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6PR

    Received 9 Oct 2009
  21. Decided - RefusedS6/2013/0765/LUP

    Certificate of lawfulness for the erection of a single storey rear extension, formation of two rear dormers, formation of skylights to the front and an extension to garage

    3 Suttons Farm Bungalows Woodcock Hill St Albans AL4 9HJ

    Received 12 Apr 2013
  22. Decided - GrantedN6/2006/0244/DT

    INSTALLATION OF 2 NO. 300MM TRANSMISSION DISHES AND ANCILLARY DEVELOPMENT

    ROOF OF CAR PARK, THE HOWARD CENTRE, HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6BP

    Received 28 Feb 2006
  23. Decided - Granted6/2025/1181/HOUSE

    Erection of part single storey/part two storey rear extension, two storey side extension with dormers and insertion of a sun tunnel following the demolition of existing conservatory

    54 Maple Grove Welwyn Garden City AL7 1NL

    Received 12 Jun 2025
  24. Decided - Granted6/2026/0874/HOUSE

    Erection of brick wall, iron railings and iron electric sliding gates to the front of the property and landscaping works

    45 Osborne Road Little Heath Potters Bar EN6 1SB

    Received 18 May 2026

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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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.

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