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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2004/0293/EM

    ERECTION OF REAR CONSERVATORY

    9 Great Ley, Welwyn Garden City, AL7 4TJ

    Received 27 Feb 2004
  2. Decided - Granted6/2016/2409/HOUSE

    Erection of first floor extension to front & side and single storey side & rear extension plus covered entrance porch

    17 Upland Drive Brookmans Park Hatfield AL9 6PS

    Received 15 Nov 2016
  3. DecidedN6/2014/2012/TC

    Pollard Alder tree to 3.5m

    6 The Green Welwyn AL6 9EA

    Received 11 Sept 2014
  4. Decided - RefusedS6/2006/0110/FP

    PART FIRST FLOOR PART TWO STOREY SIDE EXTENSION AND FRONT PORCH

    33 Bullens Green Lane Hatfield St Albans AL4 0QR

    Received 26 Jan 2006
  5. Decided - RefusedN6/2008/0044/DT

    ERECTION OF 15 METRE SLIM LINE STREET WORKS STRUCTURE 3 NOS ANTENNAS HOUSED WITHIN A SHROUD AND ASSOCIATED EQUIPMENT CABINETS.

    JUNCTION OF HERNS WAY, HERNS LANE AND MOORSWALK, WELWYN GARDEN CITY, Hertfordshire, AL7 2AH

    Received 8 Jan 2008
  6. Decided - GrantedW6/2013/1524/TE

    Removal of Two Conifer trees

    192 Handside Lane, Welwyn Garden City, AL8 6TD

    Received 15 Jul 2013
  7. Decided - Granted6/2016/1800/TPO

    Fell Wellingtonia tree covered by TPO 125 (1987)

    26 The Ridgeway, Cuffley, Potters Bar, EN6 4AX

    Received 19 Aug 2016
  8. Decided - WithdrawnS6/2014/2532/FP

    Erection of a detached garage

    164 Tolmers Road, Cuffley, Potters Bar, EN6 4JR

    Received 19 Nov 2014
  9. Decided - Granted6/2023/2248/COND

    Submission of details pursuant to condition number 6 (Noise Assessment) on planning permission 6/2019/2162/OUTLINE

    Land south-west of Filbert Close Hatfield AL10 9SH

    Received 6 Nov 2023
  10. Decided - Granted6/2020/0172/COND

    Submission of details pursuant to condition 3 (travel plan) on planning permission 6/2018/3204/FULL

    The Bothies and Walled Garden, North Mymms Park, North Mymms, AL9 7TR

    Received 22 Jan 2020
  11. Decided - RefusedN6/2009/1424/FP

    DEMOLITION OF EXISTING CHALET BUNGALOW AND ERECTION OF FIVE HOUSES AND ASSOCIATED GARAGING, CAR PARKING AND LANDSCAPING

    10 Wendover Lodge Church Street Welwyn AL6 9LR

    Received 7 Jul 2009
  12. Decided6/2024/0658/TC

    Removal of approx. 2.5m high maple tree which is on the front boundary

    14 Cole Green Lane Welwyn Garden City AL7 3PW

    Received 8 Apr 2024
  13. Decided6/2026/0412/TC

    T2 1 x Eucalyptus to reduce to around 2m above ground level. Reduce down to leave a suitable framework for rose T1 1 x Atlas cedar to lift lower branch to around 4m above ground level. Cedar lift low branch to improve light + space in lower part of garden

    129 Handside Lane Welwyn Garden City AL8 6TA

    Received 5 Mar 2026
  14. Decided - GrantedN6/2008/1204/FP

    CHANGE OF USE FROM B8 (STORAGE) TO B2 (GENERAL INDUSTRY)

    UNIT A, BRIDGEFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1RX

    Received 16 Jul 2008
  15. Decided - GrantedC6/1988/0159/FP

    Single storey rear extension and two storey side extension including garage

    172 Howlands, Welwyn Garden City, AL7 4RQ

    Received 1 Jan 1988
  16. Decided - Granted6/2016/2137/TPO

    1 x Self set Ash to fell and grind out stump - Conservation Area

    7 Attimore Close Welwyn Garden City AL8 6LN

    Received 10 Oct 2016
  17. Appeal Decided - DismissedS6/2004/1752/FP

    SINGLE STOREY SIDE EXTENSION

    13 Poppy Walk Hatfield AL10 9FP

    Received 25 Nov 2004
  18. Decided - Refused6/2019/0579/LAWP

    Certificate of lawfulness for the erection of 2 x outbuildings for the use of gym and swimming pool

    29 The Ridgeway Cuffley Potters Bar EN6 4BB

    Received 12 Mar 2019
  19. Decided - GrantedN6/2014/1447/FP

    Alteration to roof incorporating new gable and rear dormer

    7 Rosecroft Lane Welwyn AL6 0UB

    Received 30 Jun 2014
  20. Decided - Granted6/2017/0427/EM

    1 x Ash to fell to ground level and replant

    31 Brockswood Lane Welwyn Garden City AL8 7BE

    Received 6 Mar 2017
  21. Decided - WithdrawnS6/2007/1340/FP

    RETROSPECTIVE APPLICATION FOR TREE HOUSE TO THE REAR

    150 DIXONS HILL ROAD, HATFIELD, HERTS, AL9 7DN

    Received 3 Sept 2007
  22. Decided6/2019/0951/TC

    Fell 2 x Silver Birch tree and reduce 2 x Conifer tree by 33%

    24 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 18 Apr 2019
  23. Decided - Granted6/2024/0722/EMT

    Pine tree; light trim and shape, removing 1.5m from lower canopy on the eastern side and 1m from the top of the crown as shown in the photograph. This work will reduce the amount of bird poo landing in the play area

    16 Melbourne Court Welwyn Garden City AL8 6LL

    Received 18 Apr 2024
  24. Decided - WithdrawnW6/2007/1209/EM

    Erection of a two storey side extension and single storey front and rear extension, following demolition of existing outbuilding and garage

    14 Hyde Valley, Welwyn Garden City, AL7 4NA

    Received 8 Aug 2007

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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    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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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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