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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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. Decided - RefusedS6/2014/1854/FP

    Loft conversion including 3 rear dormers

    36 Mymms Drive, Brookmans Park, Hatfield, AL9 7AF

    Received 19 Aug 2014
  2. Decided - RefusedN6/2014/0339/TP

    Fell Cedar T9 covered by TPO 76

    31 Parkside Welwyn AL6 9DQ

    Received 13 Feb 2014
  3. Decided - WithdrawnS6/2009/2692/FP

    ERECTION OF PLANT ROOM, 3 METRE FENCE AND INSTALLATION OF CHP UNIT

    Tesco Stores Ltd Great North Road Hatfield AL9 5JY

    Received 14 Dec 2009
  4. Decided - RefusedS6/2005/1515/LB

    DEMOLITION OF INTERNAL WALL BETWEEN BAR AND KITCHEN TO ALLOW EXTENSION OF BAR AREA, PROVISION OF NEW DISABLED WC, RELOCATION OF KITCHEN WITH NEW LOBBIED ACCESS AND STAIRCASE TO FIRST FLOOR AND INFILLING OF EXTERNAL DOORWAY, RELOCATION OF ACCESS TO EXISTING LADIES WC AND INFILLING OF EXTERNAL DOORWAY.

    THE OLD MAYPOLE P.H, WARRENGATE ROAD, NORTH MYMMS, HATFIELD, HERTFORDSHIRE

    Received 7 Dec 2005
  5. Decided - Granted6/2019/1651/COND

    Submission of details pursuant to condition 1 (Material Samples) 2 (Hard and Soft Landscaping) on planning permission 6/2018/2201/FULL

    28 Brookmans Avenue Brookmans Park Hatfield AL9 7QJ

    Received 4 Jul 2019
  6. Decided - Granted6/2018/0646/LAWP

    Certificate of lawfulness for the conversion of existing garage to habitable space.

    109 Wellfield Road Hatfield AL10 0BY

    Received 7 Mar 2018
  7. Decided - Granted6/2015/1940/EM

    Erection of a single storey rear extension

    81 Howlands, Welwyn Garden City, AL7 4RA

    Received 11 Sept 2015
  8. Appeal Decided - Dismissed6/2022/1423/FULL

    Change of use from amenity to residential land with the formation of a new access, crossover, hardstanding and driveway

    10 Hill Ley Hatfield Hertfordshire AL10 8LX

    Received 20 Jun 2022
  9. Decided - Granted6/2025/0616/EM

    Installation on the south facing pitch of the roof of a solar array of approx 4.4x6.8m, plus battery and invertor installed on the rear at ground level

    23 Pentley Park Welwyn Garden City AL8 7RT

    Received 31 Mar 2025
  10. Decided - RefusedS6/2009/0379/LB

    RETENTION OF SMOKING SHELTER AND FENCING TO REAR AND PICKET FENCING TO FRONT AND SIDE BOUNDARIES

    The Hope And Anchor 2 Station Road Welham Green Hatfield AL9 7PJ

    Received 27 Feb 2009
  11. Decided - Granted6/2015/2272/EM

    Reduce Conifer hedge, Acer, Laurel and Crab Apple tree by 1m.

    25 Russellcroft Road, Welwyn Garden City, AL8 6QX

    Received 22 Oct 2015
  12. Decided - Granted6/2024/0169/EMT

    1 x Hornbeam to reduce by 3m height & 2m width 1 x Apple to reduce by 2.5m in height and width, lift off of shed roof by 1.5m Trees are very overgrown and this will help maintain the height and improve light into garden for other plants and trees

    60 Sweet Briar Welwyn Garden City AL7 3DY

    Received 29 Jan 2024
  13. Decided - Granted6/2025/2331/HOUSE

    Erection of a single storey rear extension and alteration to fenestration

    37 Bradgate Cuffley Potters Bar EN6 4RN

    Received 4 Nov 2025
  14. Decided - Granted6/2016/0369/FULL

    New refuse area and store following demolition of existing enclosure

    Land to the rear of 62 Town centre, Hatfield

    Received 7 Mar 2016
  15. Decided - RefusedS6/2014/0604/NM

    Non material amendment following approval of planning permission S6/2013/0495/FP - Provide railings in the wall. Provide additional wall adjacent to the gates

    1 Tolmers Mews Newgate Street Hertford SG13 8RG

    Received 26 Mar 2014
  16. Decided - RefusedC6/1988/0197/FP

    Erection of a detached building for use as garage with ancillary office (Class B8)

    40 Burrowfield, Welwyn Garden City, AL7 4SR

    Received 10 Oct 1988
  17. Decided - GrantedN6/2009/0252/FP

    ERECTION OF NEW BUNGALOW FOLLOWING DEMOLITION OF EXISTING DWELLING

    8 The Limberlost Welwyn AL6 9TS

    Received 2 Feb 2009
  18. Decided - Granted6/2024/1896/COND

    Submission of details pursuant to condition 3 and 26 (Site Waste Management Plan) on planning permission 6/2019/3024/MAJ

    29 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 3 Oct 2024
  19. Decided - Granted6/2023/0641/EM

    Replacement of conservatory roof with insulated construction and tiles

    16 Crossway Welwyn Garden City AL8 7EE

    Received 22 Mar 2023
  20. Decided - GrantedN6/2007/1491/FP

    ERECTION OF REAR CONSERVATORY

    103 LONGCROFT LANE, WELWYN GARDEN CITY, HERTS, AL8 6EL

    Received 9 Oct 2007
  21. Decided - Granted6/2025/0248/HOUSE

    Erection of a single-storey rear extension following demolition of existing conservatory and proposed garage conversion with alterations to the front elevation including infilling with brickwork and installation of new window

    11 Westcott Welwyn Garden City AL7 2PP

    Received 11 Feb 2025
  22. Decided - GrantedS6/2014/1022/FP

    Erection of single storey rear extension and alterations to roof incorporating 2 roof lights and 2 front dormer windows

    28 Sutherland Avenue, Cuffley, Potters Bar, EN6 4EQ

    Received 8 May 2014
  23. Decided - GrantedS6/2004/1436/FP

    TWO STOREY FRONT AND SIDE EXTENSION

    39 St Albans Road East Hatfield AL10 0EJ

    Received 28 Sept 2004
  24. Decided - Granted6/2017/1354/HOUSE

    Erection of a detached garage following demolition of existing

    5 New Road Woolmer Green Knebworth SG3 6JX

    Received 22 Jun 2017

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 application documents: what to read first

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  • 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

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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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