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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/0791/HOUSE

    Replacement windows to the front and rear elevations

    64 Lemsford Lane Welwyn Garden City AL8 6YJ

    Received 12 Apr 2023
  2. Decided6/2022/1868/TC

    T1 Oak to reduce the two lowest limbs building side by 5 to 6 metres back to suitable growth points to give clearance from glass roof and building. Crown reduction on the rest of the crown back to previous reduction points by removing up to 2.5 metres growth pruning back to suitable growth points to leave a balanced crown.

    9 Brockett Close Welwyn Garden City Hertfordshire AL8 7BN

    Received 9 Aug 2022
  3. Decided - GrantedN6/2009/1858/FP

    ERECTION OF REAR CONSERVATORY

    8 CHALGROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2QJ

    Received 28 Aug 2009
  4. Decided - Granted6/2023/1530/TPO

    Fell oak due to severe die back and bleeding canker and replace with hornbeam. Tree covered by TPO 875 (2023)

    16 Bluebells Welwyn AL6 0XD

    Received 21 Jul 2023
  5. Decided - GrantedW6/2005/1420/EM

    ENCLOSURE OF FRONT CANOPY TO FORM PORCH

    5 Breakmead, Welwyn Garden City, AL7 3HG

    Received 14 Nov 2005
  6. Decided - Granted6/2022/1787/HOUSE

    Erection of a detached garden room

    33 Oaklands Rise Welwyn AL6 0RN

    Received 29 Jul 2022
  7. Decided - GrantedS6/2007/1506/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    11 Bluebell Way Hatfield AL10 9FJ

    Received 15 Oct 2007
  8. Decided - Granted6/2023/2091/EMT

    1 x Sycamore to reduce by 4m height & 1.5m width - Self set tree growing too close to building with branches over and on top of roof 1 x Sycamore to fell - Growing too large and diminution the whole garden

    12 Newfields Welwyn Garden City AL8 6YT

    Received 13 Oct 2023
  9. Decided6/2024/1597/TC

    T1- Yew- Fell to ground level as it has outgrown its position for the new house renovations T2- Hornbeam- Lift crown to 3 metres and Crown reduce all round by 2-3 metres to maintain size and shape

    9 The Quadrangle Welwyn Garden City AL8 6SG

    Received 21 Aug 2024
  10. Decided - WithdrawnW6/2014/2095/EM

    Erection of Single storey rear extension

    140 Holwell Road, Welwyn Garden City, AL7 3RW

    Received 24 Sept 2014
  11. Decided - Granted6/2025/2300/HOUSE

    Erection of a first floor rear extension and alterations to fenestration

    61 Bluebridge Road Brookmans Park AL9 7UW

    Received 30 Oct 2025
  12. Decided - GrantedN6/2009/2370/TE

    CROWN REDUCE THREE APPLE TREES BY 30% PLUS THINNING OF THIRD APPLE TREE

    7 YOUNGS RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RT

    Received 29 Oct 2009
  13. Decided - RefusedN6/2007/0663/FP

    ERECTION OF NEW GARAGE AND GARDEN ROOM FOLLOWING DEMOLITION OF EXISTING GARAGE

    Old Hall Farm Cottage Hill Farm Lane Welwyn AL6 9BW

    Received 30 Apr 2007
  14. Decided - Granted6/2017/0682/EM

    Reduce T1 Oak tree and T3 Apple tree canopy by up to 30%

    2 Lytton Gardens Welwyn Garden City AL8 6EG

    Received 5 Apr 2017
  15. Decided - Granted6/2018/2426/FULL

    Conversion of the roof space to provide 3x one bed studio flats and the erection of a first floor rear extension to provide 1x one bed studio and storage area for the shops (A1) below as well as ground floor internal alterations with associated parking arrangements.

    179 Handside Lane Welwyn Garden City AL8 6TA

    Received 21 Sept 2018
  16. Decided - GrantedS6/2015/1342/PP

    Outline planning application for residential development of up to 121 dwellings, associated infrastructure and a change of use from agricultural land to an extension of the King George V playing field. All matters reserved except for new vehicular access to serve the site, the provision of surface water discharge points and the levels of development platforms

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

    Received 26 Jun 2015
  17. Decided - GrantedS6/2004/1753/FP

    REPLACEMENT GARDEN SHED

    6 High Road Essendon Hatfield AL9 6HW

    Received 29 Nov 2004
  18. Decided - RefusedN6/2006/0631/FP

    FORMATION OF NEW CROSSOVER AND ACCESS

    34 New Road Woolmer Green Knebworth SG3 6LA

    Received 17 May 2006
  19. Decided - Withdrawn6/2019/1791/LAWE

    Certificate of lawfulness for the change of use from a dwelling (C3a) to a young persons care home (C3b)

    Hill End House Cottage, Hill End, Hertford Road, Hatfield, AL9 5PQ

    Received 22 Jul 2019
  20. Decided - Granted6/2015/1533/EM

    Construction of a driveway to allow for off road parking

    199 Daniells Welwyn Garden City AL7 1QH

    Received 17 Jul 2015
  21. Decided - Granted6/2020/1604/EMT

    Reduce crown 2x Oak trees by 20%-30% and lift canopies

    8 Ashley Close Welwyn Garden City AL8 7LH

    Received 6 Jul 2020
  22. Decided - Granted6/2024/1320/FULL

    Erection of an end of terrace two storey dwelling and associated car parking, refuse and cycle provision

    1 Waterworks Cottages Bishops Rise Hatfield AL10 9HJ

    Received 10 Jul 2024
  23. Decided6/2020/1256/TC

    Prune the overhang branches of 1 x Hawthorn Tree [T1] -by 2m Reduce 1 x Plum Tree [T2] upto 2m

    7 Homestead Lane Welwyn Garden City AL7 4LT

    Received 4 Jun 2020
  24. Decided - Granted6/2015/1838/COND

    Approval of details reserved by conditions 3 (External Lighting) and 4 (Hard and Soft Landscaping) of planning permission S6/2014/0177/FP - Construction of a new garage building, construction of a new stables block with manege for personal use, associated hard and soft landscaping ancillary to the dwelling. Furthermore, change of use of land for the keeping of horses.

    Milbrook, Carbone Hill, Northaw, Newgate Street, SG13 8RG

    Received 1 Sept 2015

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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    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.

Check collection coverage