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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
40,146Searchable 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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 2 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2013/0348/LUP

    Certifiicate of lawfulness for erection of ground floor rear and side extensions

    24 Great North Road Brookmans Park Hatfield AL9 6NF

    Received 12 Feb 2013
  2. Decided - GrantedN6/2008/0364/FP

    INSTALLATION OF ROOF LIGHT TO REAR ELEVATION

    14 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTS, AL8 7BG

    Received 21 Feb 2008
  3. Decided - Withdrawn6/2021/0820/LAWP

    Certificate of lawfulness for a single storey rear extension

    1 Dowley Wood Welwyn Garden City AL7 1FL

    Received 15 Mar 2021
  4. Decided - Granted6/2018/1928/COND

    Submission of details pursuant to condition 5 (Listed Building details) on listed building consent 6/2016/1883/LB

    Former Roche Site 40 Broadwater Road Welwyn Garden City AL7 3AY

    Received 20 Jul 2018
  5. Decided - Refused6/2023/0703/PN15

    Erection of 15m high slim-line monopole, supporting 6 no. antennas, 3 no. equipment cabinets and ancillary development thereto.

    Black Fan Road, at the entrance to Brownfields, Welwyn Garden City, Hatfield, Hertfordshire, AL7 1BA

    Received 28 Mar 2023
  6. Decided - Granted6/2016/0364/HOUSE

    Erection of a single storey rear extension.

    36 Beechfield Road, Welwyn Garden City, AL7 3RF

    Received 3 Mar 2016
  7. Decided - Granted6/2017/0361/FULL

    Change of use of part of the existing public circulation space (Sui Generis) to Assembly and Leisure (D2) for use as a climbing and adventure facility.

    Level 1 The Galleria Comet Way Hatfield AL10 0XR

    Received 27 Feb 2017
  8. Decided - GrantedN6/2004/0475/FP

    ERECTION OF A 2 METRE HIGH BRICKWALL

    LAND BETWEEN, 9 & 10 ROOKS CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JT

    Received 26 Mar 2004
  9. Decided - GrantedS6/2009/1302/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    8 BLUEBRIDGE ROAD, BROOKMANS, HATFIELD, HERTFORDSHIRE, AL9 7SB

    Received 17 Jun 2009
  10. Appeal Decided - DismissedN6/2006/0229/DT

    INSTALLATION OFA 10 METRE HIGH LAMPPOST WITH INTEGRATED TELECOMMUNICATIONS ANTENNAS (REPLACE EXISTING STREET LAMPPOST) AND EQUIPMENT CABINETS.

    LAND AT, KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8

    Received 22 Feb 2006
  11. Decided - Granted6/2024/0963/EM

    Enlargement of existing driveway

    11 Attimore Road Welwyn Garden City AL8 6LH

    Received 22 May 2024
  12. Decided6/2025/0770/S106A

    Application to modify S106 agreement dated 31 March 2022 in relation to planning application S6/2015/1342/PP

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

    Received 24 Apr 2025
  13. Decided - Refused6/2020/0692/HOUSE

    Erection of single storey rear extension following demolition of conservatory, garage conversion and first floor side extension with alterations to the front drive

    3 Buttercup Close Hatfield AL10 9FH

    Received 11 Mar 2020
  14. Decided - Refused6/2024/1580/HOUSE

    Erection of single storey front, side and rear extension with internal alterations

    70 Broad Acres Hatfield AL10 9LD

    Received 20 Aug 2024
  15. Decided - RefusedS6/2013/0442/LUP

    Certificate of lawfulness for a proposed single storey rear extension, two single storey side extensions, loft conversion incorporating a hip to gable enlargement, a porch and a detached garage

    Woodlands Lodge, The Ridgeway, Cuffley, POTTERS BAR, EN6 4BJ

    Received 1 Mar 2013
  16. Decided - Granted6/2022/2306/HOUSE

    Garage and loft conversion with rooflights to provide living accommodation, replacement windows and doors, Installation of solar panels to modified garage roof, installation of electric vehicle charger to garage side wall and modifications and alterations to fenestration.

    5 Densley Close Welwyn Garden City AL8 7JX

    Received 3 Oct 2022
  17. Decided - Withdrawn6/2018/2570/TPO

    Various Tree Works T1 1x Hornbeam reshaping,lift crown T2 1x Larch,T3 1x Fell Pine Tree,T4 1x Hornbeam cut back,T5 1x Twin Stemmed sweet Chestnut remove growth,T6 1x Oak crown reduction and reshape Covered by TPO 676(2017)G1

    4 Firway Close Oaklands Welwyn AL6 0RN

    Received 5 Oct 2018
  18. Decided - Granted6/2020/1602/HOUSE

    Erection of single storey front extension

    12 Briars Close Hatfield AL10 8DQ

    Received 6 Jul 2020
  19. Decided - Granted6/2019/1110/HOUSE

    Erection of a two-storey side, single-storey rear extension and front porch

    15 Parsonage Road Welham Green Hatfield AL9 7NA

    Received 8 May 2019
  20. Decided - WithdrawnN6/2004/0013/FP

    ERECTION OF ONE DWELLING AND CAR PORT AND CHANGE OF USE OF LAND TO GARDEN FOLLOWING THE REMOVAL OF HORTICULTURAL GLASSHOUSES AND ASSOCIATED STRUCTURES

    HARMER GREEN NURSERY, HARMER GREEN LANE, DIGSWELL, WELWYN, HERTFORDSHIRE, AL6 0AP

    Received 15 Mar 2004
  21. Decided - GrantedS6/2008/1302/FP

    RETENTION OF THREE AIR CONDITIONING UNITS AND PLANT CONTROL PANEL.

    37-39 BRADMORE GREEN, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QR

    Received 29 Jul 2008
  22. Decided - Granted6/2021/2968/FULL

    Erection of a 2 storey and a single storey rear/side extension including demolition of pitched roof and creation of additional bedroom space

    22 High Dells Hatfield AL10 9HU

    Received 15 Oct 2021
  23. Decided - Granted6/2018/0330/EM

    Renewal of main roof

    91 Boundary Lane Welwyn Garden City AL7 4EG

    Received 1 Feb 2018
  24. Decided - Refused6/2026/0090/HOUSE

    Erection of a first floor extension to existing bungalow to create a two storey dwellinghouse, part conversion of garage into habitable room and alterations to fenestration

    7 Elmoor Close Welwyn AL6 9PF

    Received 21 Jan 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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