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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Granted6/2015/2450/EM

    Selectively prune oak to achieve a clearance from garage roof of up to 2.5m.

    55 Parkway, Welwyn Garden City, AL8 6JF

    Received 26 Nov 2015
  2. Decided - GrantedW6/2007/1561/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION WITH TWO ROOF LIGHTS

    19 Fearnley Road, Welwyn Garden City, AL8 6HW

    Received 22 Oct 2007
  3. Decided - Granted6/2021/0388/FULL

    Retrospective application for partial removal of existing hedge and retention of vehicle hardstanding to form off street parking and dropped kerb.

    33 Furzefield Road Welwyn Garden City AL7 3RL

    Received 8 Feb 2021
  4. Decided - Granted6/2024/1793/PN8

    Prior Approval for the erection of a single storey rear extension measuring 5m in depth, 3.20m in height and 2.82m to the eaves

    96 Salisbury Road Welwyn Garden City AL7 3SB

    Received 17 Sept 2024
  5. Decided - Granted6/2023/2358/FULL

    Creation of larger rear dormer and refurbishment of rear first floor roof terrace to include new balustrade following demolition of existing rear roof dormer

    58 Bradmore Green Brookmans Park AL9 7QS

    Received 22 Nov 2023
  6. Decided - Granted6/2026/0098/LAWP

    Certificate of lawfulness for a hip to gable loft conversion with rear box dormer, insertion of skylights to front roof slope and demolition of secondary chimney

    22 Endymion Road Hatfield AL10 8AS

    Received 22 Jan 2026
  7. Decided - GrantedN6/2014/1267/LB

    Conversion and extension of existing barn to form a new dwelling

    Badger Cottage, 6 Whitehill, Ayot St Peter, Welwyn, AL6 9AF

    Received 5 Jun 2014
  8. Decided - GrantedS6/2007/1521/FP

    ERECTION OF NEW GATES TO NORTH AND SOUTH ENTRANCES TO REPLACE EXISTING GATES

    GREAT NAST HYDE HOUSE, WILKINS GREEN LANE, HATFIELD, HERTS, AL10 9RB

    Received 15 Oct 2007
  9. Decided - GrantedS6/2009/1940/FP

    ERECTION OF FRONT AND REAR TWO STOREY EXTENSIONS PART TWO STOREY STEPPED SIDE EXTENSION, BASEMENT TO FRONT AND ADDITION OF ROOF SPACE

    21 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4QA

    Received 10 Sept 2009
  10. Decided - Granted6/2017/0926/LAWP

    Certificate of lawfulness for the proposed raising of hardstanding

    113 Mount Way Welwyn Garden City AL7 4LA

    Received 4 May 2017
  11. Decided - Granted6/2016/1198/EM

    Erection of single storey rear and side extension following demolition of existing outbuildings

    148 Howlands, Welwyn Garden City, AL7 4RG

    Received 13 Jun 2016
  12. Decided - Granted6/2025/1599/HOUSE

    Erection of a two storey rear extension, infill of existing porch and loft conversion including raising of roof following demolition of existing conservatory

    9 Dolesbury Drive Welwyn AL6 0QE

    Received 24 Jul 2025
  13. Decided - Granted6/2020/1734/EMT

    Reduce 1x G1 mixed hedge leylandii/hawthorn by 8ft Fell 1x G2 leylandii hedge Reduce 1x T1 Leylandii tree by 30% Reduce crown 1x T2 Plum tree by 20%

    256 Heronswood Road Welwyn Garden City AL7 3JQ

    Received 15 Jul 2020
  14. Decided - WithdrawnN6/2015/0913/LUE

    Confirmation of proposed use certificate for the change of use from C3 to B1

    60 Thistle Grove, Welwyn Garden City, AL7 4AN

    Received 29 Apr 2015
  15. Decided - Granted6/2018/0404/HOUSE

    Erection of single storey rear and side extensions including installation of 2 x rear roof lights

    20 Melbourne Court Welwyn Garden City AL8 6LL

    Received 8 Feb 2018
  16. Decided - GrantedW6/2014/0020/TE

    Fell Spruce tree located in rear garden

    16 Walden Place, Welwyn Garden City, AL8 7PG

    Received 10 Jan 2014
  17. Decided - Granted6/2019/0601/LAWP

    Certificate of lawfulness for installation of rear dormer and roof lights

    109 Birchwood Avenue Hatfield AL10 0PT

    Received 13 Mar 2019
  18. Decided - Granted6/2019/1066/COND

    Submission of details pursuant to condition 1 (design and specification of store for refuse and recycling bins) and 2 (scheme for provision of secure cycle parking) on planning permission 6/2019/0271/FULL,

    7 Strawmead Hatfield AL10 0JG

    Received 2 May 2019
  19. Decided6/2025/2330/TC

    T1 1 x Cedar to reduce limbs in a North and Northwesterly direction by 2.5m. Lift to 4m over driveway T2 Larger Holly to reduce by around 4m in height

    Lemsford House Brocket Road Welwyn Garden City AL8 7TT

    Received 4 Nov 2025
  20. Decided - WithdrawnS6/2007/1235/FP

    DEMOLITION OF EXISTING HOUSES AND ERECTION OF 9 FLATS IN 2 BLOCKS

    4-6 GEORGES WOOD ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BZ

    Received 17 Aug 2007
  21. Decided - GrantedW6/2009/2608/EM

    ERECTION OF SINGLE STOREY SIDE, SINGLE STOREY AND PART TWO STOREY REAR EXTENSIONS, INSERTION OF WINDOW AND ROOFLIGHT

    3 MALMSDALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7QN

    Received 30 Nov 2009
  22. Decided - Granted6/2022/2193/VAR

    Variation of condition 6 (minor material amendment) on planning permission 6/2020/2845/FULL

    12 Elm Drive Hatfield AL10 8NU

    Received 22 Sept 2022
  23. Decided - Granted6/2016/1702/EM

    Erection of summer house

    48 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 17 Aug 2016
  24. Decided - Refused6/2026/0040/HOUSE

    Erection of a single storey side extension and elevation alterations following demolition of existing garage, loft conversion and changing of the rear hipped roofs to pitched

    1 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 12 Jan 2026

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