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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
30,750Searchable applications
303Recorded as pending
87%Approval rate · 25,602 approved or refused records
3,367Refused applications

22,235 approved · 3,367 refused · 1,637 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/2050/EMT

    T1 Conifer to lift the crown to 2.5m and reduce crown by 30% to maintain size and shape

    36 Beehive Lane Welwyn Garden City AL7 4BP

    Received 6 Jul 2021
  2. Decided - Granted6/2026/1458/FULL

    Installation of one padel tennis court as an additional ancillary sporting and recreational facility to the Tesco office headquarters, together with associated floodlighting, and hard landscaping works.

    Tesco Heart Building Car Park Shire Park Welwyn Garden City AL7 1TW

    Received 19 Aug 2026
  3. Decided - Granted6/2024/0403/HOUSE

    Erection of a single storey rear extension following demolition of existing conservatory, partial garage conversion

    10 Waterbeach Welwyn Garden City AL7 2PT

    Received 1 Mar 2024
  4. Decided - Granted6/2022/0892/EM

    Replacement of existing door to a flood door

    38 Birds Close Welwyn Garden City AL7 4AR

    Received 13 Apr 2022
  5. Decided - Granted6/2016/0646/HOUSE

    Erection of single storey rear extension following demolition of existing conservatory and workshop; insertion of window on side elevation

    10 Marsden Road, Welwyn Garden City, AL8 6XZ

    Received 8 Apr 2016
  6. Decided6/2019/1213/TC

    To remove epicormic growth from 3 x Hornbeam trees Fell 1 x Hornbeam tree -Conservation area

    8 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 8 May 2019
  7. Decided - Granted6/2022/2465/HOUSE

    Erection of single storey side extension, alteration to rooflights, new steps to terrace and extension to balustrade

    46 Harmer Green Lane Digswell Welwyn AL6 0AT

    Received 26 Oct 2022
  8. Decided - Granted6/2021/1228/HOUSE

    Erection of single storey side/rear extension

    11 Dellfield Road Hatfield AL10 8EW

    Received 15 Apr 2021
  9. Decided - Refused6/2015/1816/PN8

    Prior approval for a single storey rear extension measuring 3 metres deep, 2.4 metres wide and 3.3 metres high

    11 Campion Road Hatfield AL10 9FA

    Received 26 Aug 2015
  10. Decided - Granted6/2026/0571/LB

    Proposed secondary double glazing

    7-15 Park Street Hatfield AL9 5AT

    Received 30 Mar 2026
  11. Decided6/2022/1768/COND

    Confirmation that all conditions on planning permission 6/2017/2104/MAJ have been discharged

    Flat 4 51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 27 Jul 2022
  12. Decided - Refused6/2019/2427/HOUSE

    First-floor extensions to convert existing chalet bungalow into a house. Alterations to external fenestration. Alterations to driveway.

    13 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 1 Oct 2019
  13. Decided - WithdrawnN6/2015/0296/LB

    Proposed alterations in association with change of use of rail station building to use class A5 take-away

    Welwyn North Station Harmer Green Lane Digswell Welwyn AL6 0AS

    Received 9 Feb 2015
  14. Decided - Granted6/2019/3224/HOUSE

    Erection of a part single, part two storey side extension with formation of hardstanding

    2 Hawthorns Welwyn Garden City AL8 7SE

    Received 23 Dec 2019
  15. Decided - Granted6/2018/3031/FULL

    Retention of building following part demolition

    Beavers Lodge Farm, Tylers Causeway, Newgate Street, Hertford, SG13 8QN

    Received 27 Nov 2018
  16. Decided - Refused6/2018/0112/HOUSE

    Erection of single storey rear extension and first floor side extension following partial demolition of existing garage.

    4 Pleasant Rise Hatfield AL9 5DS

    Received 12 Jan 2018
  17. Decided - Granted6/2021/2430/HOUSE

    Erection of ancillary bike storage structure in front garden (part retrospective).

    16 Turpins Chase Welwyn AL6 0RA

    Received 18 Aug 2021
  18. Decided - GrantedW6/2015/0685/TE

    Removal of one branch from wild plum tree

    10 Sheepcote, Welwyn Garden City, AL7 4QD

    Received 30 Mar 2015
  19. Decided - GrantedN6/2014/0532/AD

    Installation of internally illuminated fascia signs, wall signs, pylon and flags

    4 South Mundells, Welwyn Garden City, AL7 1EP

    Received 12 Mar 2014
  20. Decided - Granted6/2016/2065/HOUSE

    Erection of front porch and first floor side extension with alterations to roof and installation of dormers. Enlargement of garage.

    3 Kingswell Ride, Cuffley, Potters Bar, EN6 4LH

    Received 5 Oct 2016
  21. Decided - Granted6/2021/3229/HOUSE

    Erection of a first floor extension with internal alterations to convert a bungalow to a two storey dwelling

    2 Tolmers Gardens Cuffley Potters Bar EN6 4JE

    Received 11 Nov 2021
  22. Decided - GrantedW6/2014/1414/EM

    Removal of external door on front elevation

    14 Lumbards, Welwyn Garden City, AL7 1PQ

    Received 24 Jun 2014
  23. Decided6/2022/0819/TC

    OT1 Oak Tree - Remove lower branches up to a height of 5m from ground level.

    38 Reddings Welwyn Garden City AL8 7LA

    Received 4 Apr 2022
  24. Decided - Refused6/2021/2873/HOUSE

    Alterations to front boundary to create new masonry wall and railings with electric gates

    71 Pine Grove Brookmans Park Hatfield AL9 7BL

    Received 6 Oct 2021

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

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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.

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  • 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.

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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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