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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
40,163Searchable applications
309Recorded as pending
86%Approval rate · 33,679 approved or refused records
4,801Refused applications

28,878 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 4 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/1724/LB

    Replacement of lead roof covering to first floor dormer

    Parkside Cottage 56 Mill Lane Welwyn AL6 9ES

    Received 9 Sept 2024
  2. Decided - Granted6/2022/1194/HOUSE

    Erection of single storey rear extension

    44 Princes Avenue Welwyn Garden City AL7 4DT

    Received 24 May 2022
  3. Decided - Refused6/2019/1199/EM

    Remove x1 Conifer hedge

    135 Blythway Welwyn Garden City AL7 1DN

    Received 17 May 2019
  4. Decided - Granted6/2023/0921/TPO

    2 x Oak Trees. Reduction of T1 and T2 by 2m on the southern side and removal of dead wood. Trees extremely wide and extending across the drive and getting closer to our house, a lot of loose branches fall onto the drive TPO 528 (2016)

    53 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 2 May 2023
  5. Decided - RefusedN6/2010/0016/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    7 St Johns Close Welwyn AL6 9RB

    Received 6 Jan 2010
  6. Decided - GrantedN6/2006/0151/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION TO FORM BAY WINDOW

    111 Handside Lane Welwyn Garden City AL8 6SP

    Received 3 Feb 2006
  7. Decided - Refused6/2017/0921/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.287m. in depth, 2.687m. in height and 2.537m. to the eaves

    3 New Road Welwyn Garden City AL8 7TX

    Received 2 May 2017
  8. Decided - Refused6/2019/1148/HOUSE

    Erection of first floor extension and installation of two dormer windows to facilitate loft conversion

    Meadow View, Cum Cum Hill, Hatfield, AL9 6JE

    Received 10 May 2019
  9. Decided - GrantedW6/2005/1529/EM

    CONVERSION OF GARAGE TO A HABITABLE ROOM

    22 Ravenfield Road, Welwyn Garden City, AL7 3UE

    Received 9 Dec 2005
  10. Decided - RefusedW6/2007/1055/EM

    PROPOSED REBUILD OF EXISTING GARAGE AND ERECTION OF FIRST FLOOR SIDE EXTENSION OVER GARAGE

    123 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 16 Jul 2007
  11. Decided - GrantedN6/2005/1492/FP

    FORMATION OF STAFF CAR PARK

    St Michaels Primary School 12 London Road Woolmer Green Knebworth SG3 6JP

    Received 1 Dec 2005
  12. Decided - SplitN6/2009/2197/TC

    REMOVAL OF OAK TREE (T1) REMOVAL OF MAPLE TREE (T2) AND REDUCE TWO LIME TREES (T3 & T4) BY 50%

    10 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HG

    Received 14 Oct 2009
  13. Appeal Decided - Dismissed6/2016/2010/FULL

    Erection of 7 dwellings using existing access onto Coopers Lane Road, landscape screening

    Woodhurst Cattlegate Road Northaw Enfield EN2 8AU

    Received 29 Sept 2016
  14. Decided - Refused6/2024/2229/HOUSE

    Erection of a single storey rear/side infill extension, first floor side extension and garage conversion, including 1m extension and raising of roof

    88 Attimore Road Welwyn Garden City AL8 6LP

    Received 19 Nov 2024
  15. Decided - Granted6/2021/0764/HOUSE

    Erection of a single storey rear extension, front porch extension and a garage conversion

    371 St Albans Road West Hatfield AL10 9RU

    Received 9 Mar 2021
  16. DecidedN6/2008/2218/TE

    THIN AND LIFT CROWN OF PRUNUS TREE IN FRONT GARDEN BY 33%, REDUCE CROWN OF SYCAMORE TREE IN REAR GARDEN BY 25% - 30%

    40 Valley Road, Welwyn Garden City, AL8 7DN

    Received 19 Nov 2008
  17. Decided - GrantedN6/2014/2113/HH

    Prior approval for a single storey rear extension

    12 Heronswood Road, Welwyn Garden City, AL7 3NU

    Received 24 Sept 2014
  18. Decided - RefusedN6/2014/2297/LUP

    Certificate of lawfulness for propsed erection of rear conservatory

    30 Prospect Place Welwyn AL6 9EN

    Received 20 Oct 2014
  19. Decided - Refused6/2019/0658/EM

    Remove 1x section Privet hedge

    47 Woodhall Lane Welwyn Garden City AL7 3TB

    Received 20 Mar 2019
  20. Decided - Granted6/2022/1008/HOUSE

    Erection of single storey rear extension

    7B Oaklands Rise Welwyn AL6 0RH

    Received 28 Apr 2022
  21. Decided - Granted6/2019/2416/TPO

    Reduce 1 x Hornbeam (T2) 733 (2018) by 20% and lift crown by 2m Reduce 1 x Oak (T3) 733 (2018) crown by 25%

    40 Reddings Welwyn Garden City AL8 7LA

    Received 30 Sept 2019
  22. Decided - Granted6/2015/1519/HOUSE

    Erection of single storey and two storey rear extension following demolition of conservatory and part of garage

    3 Graysfield Welwyn Garden City AL7 4BL

    Received 14 Jul 2015
  23. Decided - GrantedS6/2007/1969/FP

    RETENTION OF EXISTING TELEPHONE KIOSK AND CHANGE OF USE TO FORM COMBINED PUBLIC PAYPHONE AND A.T.M.

    PUBLIC TELEPHONE KIOSK, CORNER OF DELLSOME LANE AND DIXONS HILL ROAD, WELHAM GREEN, HATFIELD, HERTFORDSHIRE, AL9 7DU

    Received 21 Dec 2007
  24. Decided - RefusedW6/2008/1311/EM

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    279 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RA

    Received 29 Jul 2008

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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Guides to planning records

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    Planning approval rates: how to read council statistics

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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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