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
40,009Searchable applications
298Recorded as pending
86%Approval rate · 33,551 approved or refused records
4,791Refused applications

28,760 approved · 4,791 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/0519/HOUSE

    Erection of single storey front extension

    2 Swallow Gardens Hatfield AL10 8QR

    Received 6 Mar 2019
  2. Decided - GrantedS6/2015/0302/FP

    Conversion of garage into room with internal alterations, installation of patio doors to master bedroom with terrace and grass roof to kitchen and garage

    159 Tolmers Road, Cuffley, Potters Bar, EN6 4JP

    Received 13 Feb 2015
  3. Decided - RefusedW6/2014/2162/EM

    Replace existing driveway, block paving and grassed area with coloured concrete paving

    17 Moorlands Welwyn Garden City AL7 4PY

    Received 2 Oct 2014
  4. Decided - Granted6/2024/1083/COND

    Submission of details pursuant to condition 19 (Contamination) on Planning Permission 6/2019/2431/MAJ

    Link Drive Car Park Link Drive Hatfield AL10 8TY

    Received 11 Jun 2024
  5. Decided - Refused6/2020/2068/LAWE

    Certificate of lawfulness for the existing use of HMO.

    53 De Havilland Close Hatfield AL10 0DS

    Received 16 Aug 2020
  6. Decided - Granted6/2024/2239/HOUSE

    Creation of new entrance/porch, with new pitched roof and alterations to the existing fenestration, following the demolition of existing porch

    2 Colesdale Cuffley Potters Bar EN6 4LQ

    Received 21 Nov 2024
  7. Decided - Refused6/2017/2103/MAJ

    Erection of new office building and delineation of visitor's car park following the removal of existing portacabins

    Ayot Green Sawmill 27 Ayot Green Ayot St Peter Welwyn AL6 9BA

    Received 15 Sept 2017
  8. Decided - GrantedS6/2004/0453/FP

    ERECTION OF TWO DETACHED DWELLINGS FOLLOWING DEMOLITION OF EXISTING BUNGALOW

    5 ACORN LANE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JQ

    Received 19 Mar 2004
  9. Decided - Withdrawn6/2018/0968/EM

    Installation of a rear flue pipe with Chinese hat on top, rising 90cm up above roof height

    111 Oakdale Welwyn Garden City AL8 7QS

    Received 12 Apr 2018
  10. Decided - Granted6/2020/0271/HOUSE

    Erection of two side extensions with reduction in ridge height following demolition of existing single storey rear extension

    45 Codicote Road Welwyn AL6 9TT

    Received 30 Jan 2020
  11. Decided - Withdrawn6/2020/2038/EMH

    Erection of rear and side extensions

    11 Thumbswood Welwyn Garden City AL7 4QE

    Received 13 Aug 2020
  12. Decided - Granted6/2023/2491/EM

    Alterations to rear openings in the kitchen, to allow for a new set of patio doors and kitchen window

    14 Cole Green Lane Welwyn Garden City AL7 3PW

    Received 13 Dec 2023
  13. Decided - GrantedS6/2008/0014/LB

    INSTALLATION OF SOLAR PANEL IN SOUTH WEST ELEVATION OF ROOFSLOPE.

    7 Fore Street Hatfield AL9 5AN

    Received 7 Jan 2008
  14. Decided - GrantedS6/2004/0461/FP

    REMOVAL OF CLADDING FROM SOUTH ELEVATION

    GALLERIA OUTLET CENTRE, COMET WAY, HATFIELD, HERTFORDSHIRE, AL100XR

    Received 22 Mar 2004
  15. Decided - GrantedS6/2007/1701/AD

    INSTALLATION OF ONE 4 METRE HIGH EXTERNALLY ILLUMINATED TOTEM SIGN AND FOUR ILLUMINATED SIGNS ON EXISTING BUILDING

    W Waters And Sons Ltd Harpsfield Broadway Hatfield AL10 9TF

    Received 12 Nov 2007
  16. Decided - RefusedS6/2009/0991/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    52 PEPLINS WAY, BROOKMANS PARK, HATFIELD, HERTS, AL9 7UU

    Received 30 Apr 2009
  17. Decided - GrantedS6/2015/0510/TP

    Reduce oak tree by 30% covered by TPO186

    57 Hill Rise, Cuffley, Potters Bar, EN6 4RX

    Received 10 Apr 2015
  18. Decided - Granted6/2019/2855/COND

    Submission of details pursuant to condition 6 (arboricultural method statement) on planning permission 6/2019/0909/FULL

    2 Mardleybury Court Woolmer Green Knebworth SG3 6LP

    Received 12 Nov 2019
  19. Decided - GrantedS6/2014/1470/NM

    Non material amendment following approval of plnning permission S6/2012/1928/FP - Upper floors reduced from 3m to 2.775m, roof overhangs reduced, height of roof above accommodation reduced, corridors reduced in width and stepped pods shown to reduce GIFA, cladding panels to the side of the townhouse windows changed from timber cladding to metallic grey, hub first floor wall position amended to SE requirements and townhouse canopies omitted

    University of Hertfordshire, College Lane, Hatfield, AL10 9AB

    Received 12 Jun 2014
  20. Decided - GrantedN6/2013/0065/TC

    Reduce Douglas Fir tree by 40% and cut back side branches plus crown thin Apple tree by 20%

    84 Valley Road, WELWYN GARDEN CITY, AL8 7DP

    Received 11 Jan 2013
  21. Decided - Granted6/2018/0788/COND

    Submission of details pursuant to condition 3 (secure cycle parking scheme) on planning permission 6/2016/1371/FULL, dated 17/10/2016

    19 to 23 Town Centre Hatfield AL10 0JT

    Received 20 Mar 2018
  22. Decided - GrantedN6/2014/0607/FP

    Erection of two storey side and rear extension and single storey rear extension

    24 Gooseacre, Welwyn Garden City, AL7 4NB

    Received 24 Mar 2014
  23. Decided - Refused6/2021/2967/FULL

    Erection of a single storey rear extension, alterations to fenestrations, internal alterations to allow for additional fifth bedroom to existing HMO and formation of hardstanding to front to provide on-site parking.

    28 Maryland Hatfield AL10 8DZ

    Received 15 Oct 2021
  24. Appeal Decided - DismissedS6/2009/1260/MA

    Erection of 14 Residential Units Comprising of 9x2 Bed And 5x3 Bed in Two/Three Storey Blocks Incorporating Undercroft Car Parking, Surface Car Parking and Landscaping

    LAND AT GREEN CLOSE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7ST

    Received 10 Jun 2009

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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  • Understanding planning · 13 min read

    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.

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