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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/1162/LAWE

    Certificate of lawfulness for the existing use of the barn for storage of building materials, machinery and equipment associated with a building contractor

    Barn adjacent to Cuffley Hills Farm The Ridgeway Cuffley EN6 4AY

    Received 26 May 2017
  2. Decided - RefusedS6/2007/0173/FP

    ERECTION OF TWO STOREY SIDE, FRONT AND REAR EXTENSIONS AND SINGLE STOREY FRONT EXTENSION TO FORM PORCH

    57 Holloways Lane Welham Green Hatfield AL9 7NU

    Received 1 Feb 2007
  3. Decided - Granted6/2021/2935/HOUSE

    Erection of a single storey front and rear extension, insertion of 1 x rear dormer, and extension to gable wall to left front elevation

    13 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 12 Oct 2021
  4. Decided6/2020/1447/TC

    Fell 1 x Holly tree

    41 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 22 Jun 2020
  5. Decided - GrantedS6/2008/0635/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    23 MYMMS DRIVE, BROOKMANS PARK, HERTFORDSHIRE, AL9 7AE

    Received 25 Mar 2008
  6. Decided - GrantedN6/2008/0333/FP

    ERECTION OF CAR-PORT

    EAST HOUSE DIGSWELL PLACE, RECTORY ROAD, WELWYN GARDEN CITY, HERTS, AL8 7SU

    Received 20 Feb 2008
  7. Decided - Withdrawn6/2019/0991/HOUSE

    Side extension for a garage following conversion of existing garage

    2 Rosecroft Lane Welwyn AL6 0UB

    Received 24 Apr 2019
  8. Decided6/2023/2079/TC

    1 x Apple to reduce by 2m height and 1.2m width, thin canopy by 20% volume 1 x Pear to reduce by 2.5m in height and 1.2m in width 1 x Box Elder to reduce by 2m height 1.5m in width All of the above are to maintain a suitable size for the garden

    11 The Orchard Welwyn Garden City AL8 7PL

    Received 11 Oct 2023
  9. Decided - Granted6/2023/2140/COND

    Confirmation that all conditions relating to planning permission 6/2018/3110/MAJ have been discharged

    35-39 (odd) Claves Crescent, Welwyn Garden City, Hertfordshire, AL7 1WN and Flats 1-15 (inclusive) at Winston House, Blossom Drive, Welwyn Garden City, AL7 1WT

    Received 20 Oct 2023
  10. Decided - GrantedN6/2014/2399/LUE

    Certificate of lawfulness for use class D1 (non-residential institutions)

    The Surgery 22 Moorlands Welwyn Garden City AL7 4PP

    Received 31 Oct 2014
  11. Decided - Refused6/2020/2906/HOUSE

    Erection of a two storey front infill extension and proposed window openings

    16 Waterbeach Welwyn Garden City AL7 2PT

    Received 6 Nov 2020
  12. Decided - Granted6/2016/0340/HOUSE

    Erection of a single storey ground floor rear extension together with alterations to the front elevation comprising of the replacement of the garage door with a window

    14 The Holt, Welwyn Garden City, AL7 2HU

    Received 29 Feb 2016
  13. Decided - Granted6/2019/2679/HOUSE

    Erection of single storey rear extension with installation of 2 x roof lights and retention of conversion of garage to habitable space with alterations to openings

    10 Wellington Drive Welwyn Garden City AL7 2NJ

    Received 23 Oct 2019
  14. Decided - Granted6/2025/1163/HOUSE

    Erection of single storey rear extension, conversion of garage, replacement entrance door surround and alterations to openings following demolition of conservatory.

    3 New Place Welwyn AL6 9QA

    Received 11 Jun 2025
  15. Decided6/2026/1568/TC

    5 Lime trees (T4-8)- re pollard back to previous pruning points. Approximately 8-10 feet of growth to be removed T10- Lawson Cypress- this tree is dead, remove to ground level T 16 & 18- Sycamore- ivy growing through crown. Sever ivy stems close to ground level

    Park close Park street Old Hatfield

    Received 9 Sept 2026
  16. Decided - Granted6/2022/1930/EMT

    Front perimeter hedge consisting of Cypress and Privet to cut to ground level and grind out stumps to enable planting of a new hedge

    3 The Valley Green Welwyn Garden City AL8 7DQ

    Received 17 Aug 2022
  17. Decided6/2021/2850/TC

    20% crown reduction of yew tree that has grown too large close to house and shading the adjacent apple tree

    36 High Oaks Road Welwyn Garden City AL8 7BH

    Received 4 Oct 2021
  18. Decided - Granted6/2016/0535/HOUSE

    Erection of rear conservatory

    31 Middlefield, Welwyn Garden City, AL7 4DQ

    Received 30 Mar 2016
  19. Decided - Granted6/2022/1357/PN15

    Prior approval for the erection of a 15m high street pole, Ericsson 6130 equipment cabinet, Commscope Bowler cabinet, AC Transmission cabinet, 6No. 600 x 600 concrete paving slabs (to be installed in front of proposed cabinets), 100Ø duct for incoming power, 75Ø duct for incoming TX.

    Chennells Hatfield Hertfordshire AL10 9HZ

    Received 10 Jun 2022
  20. Decided - Granted6/2023/1296/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 2.86m in height and 2.86m to the eaves

    248 Bishops Rise Hatfield

    Received 21 Jun 2023
  21. Decided - Granted6/2019/2353/HOUSE

    Erection of part single storey, part two storey, part first floor rear extension, construction of front entrance canopy and installation of 2 x skylights in roof

    35 Attimore Road Welwyn Garden City AL8 6LQ

    Received 24 Sept 2019
  22. Decided - Granted6/2023/2254/FULL

    Change of use from general amenity land to private driveway with hardstanding and dropped kerb to accommodate disabled parking

    14 Southdown Road Hatfield AL10 8TA

    Received 7 Nov 2023
  23. Decided6/2020/2202/PN10

    Prior approval for change of use from agricultural buildings to 5 no. dwellings, with associated landscaping and parking.

    Holwell Court Farm Holwell Court Hatfield AL9 5RL

    Received 18 Aug 2020
  24. Decided - Granted6/2025/1315/FULL

    Installation of new jet washes, plant room, and associated works following the removal of existing hand car wash structure

    Morrisons 40 Black Fan Road Welwyn Garden City AL7 1RY

    Received 23 Jun 2025

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 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