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
34,181Searchable applications
313Recorded as pending
87%Approval rate · 28,554 approved or refused records
3,759Refused applications

24,795 approved · 3,759 refused · 1,776 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 21 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/2393/HOUSE

    Erection of a first floor rear extension

    96 Salisbury Road Welwyn Garden City AL7 3SB

    Received 14 Nov 2025
  2. Decided - Granted6/2019/2024/LB

    Erection of conservatory,alterations to fenestration, installation of roof lights with internal alterations

    6 Badger Cottage Whitehill Ayot St Peter Welwyn AL6 9AF

    Received 13 Aug 2019
  3. Decided - GrantedS6/2009/2699/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    57 PEPLINS WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UR

    Received 16 Dec 2009
  4. Decided - GrantedN6/2015/0128/FP

    Erection of single storey and two storey rear extension following the demolition of small conservatory

    142 Salisbury Road, Welwyn Garden City, AL7 3SA

    Received 22 Jan 2015
  5. Decided - Granted6/2019/3009/EM

    Replacement of 13.5m of closeboard fencing due to existing fencing collapsing and in a poor condition.

    8 Warren Dale Welwyn Garden City AL8 7HN

    Received 29 Nov 2019
  6. Decided - Granted6/2023/0912/HOUSE

    Erection of garden fences to part of the rear and part of the side garden boundaries, and front entrance opening for a new driveway

    4 Great North Road Welwyn Garden City AL8 7TH

    Received 28 Apr 2023
  7. Decided - GrantedN6/2010/0246/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    2 REDWOODS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NR

    Received 10 Feb 2010
  8. Appeal Decided - Dismissed6/2018/1963/FULL

    Retention of temporary change of use of land for student car parking Monday to Friday term time

    Friday Grove Farm Hawkshead Lane North Mymms Hatfield AL9 7TF

    Received 23 Jul 2018
  9. Decided - Refused6/2018/0057/LAWP

    Certificate of lawfulness for the erection of single storey side and rear extension

    104 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 8 Jan 2018
  10. Decided - RefusedN6/2008/2000/FP

    ERECTION OF TWO SEMI-DETACHED DWELLINGS, RESIDENTIAL BLOCK CONSISTING OF FIVE, 2 BED FLATS INCORPORATING NEW VEHICULAR ACCESS, PARKING AND AMENITY SPACE, FOLLOWING DEMOLITION OF EXISTING DWELLING

    18 Great North Road Welwyn AL6 0PS

    Received 24 Oct 2008
  11. Decided - Granted6/2019/0208/EM

    Fel 1 x Apple tree

    20 Cherry Croft Welwyn Garden City AL8 7QU

    Received 1 Feb 2019
  12. Decided - GrantedN6/2013/0758/TC

    Removal of one Chestnut tree and one Willow tree plus reshape and reduce crown of second Chestnut tree by 30% and reduce two branches by 50%

    7 The Valley Green, WELWYN GARDEN CITY, AL8 7DQ

    Received 16 Apr 2013
  13. Decided - Granted6/2015/1636/EM

    Resurfacing and extension of hardstanding

    5 Sherrardspark Road, Welwyn Garden City, AL8 7JW

    Received 3 Aug 2015
  14. Decided - GrantedS6/2015/0911/LB

    Recladding of existing plant room with alterations to roof,waterproofing, relining and overhaul of guttering and replacement of downpipes, soffits, roof lights and clerestory windows

    Essendon Church Of England Primary School School Lane Essendon Hatfield AL9 6HD

    Received 28 Apr 2015
  15. Decided - GrantedS6/2013/1715/DS

    Discharge of conditions 1 (Landscaping Details), 3 (Refuse & Recycling), 4 (Bicycle Storage) of planning permission S6/2013/0824/FP - Retention of subdivision of dwelling to form 1no. 2 bedroom self contained flat (Use Class C3) and 1no. 5 bedroom House in Multiple Occupation (Use Class C4)

    49A Bishops Rise Hatfield AL10 9BU

    Received 6 Aug 2013
  16. Decided - Granted6/2021/1193/HOUSE

    Erection of double storey side, rear and front extension and loft conversion with the installation of 2 x front and rear dormers

    24 Hanyards Lane Cuffley Potters Bar EN6 4AT

    Received 13 Apr 2021
  17. Decided - Granted6/2018/0608/LAWP

    Certificate of lawfulness for the erection of single storey outbuilding following demolition of existing

    1 Rollswood Road Welwyn AL6 9TX

    Received 5 Mar 2018
  18. Decided - GrantedW6/2009/1613/EM

    INSTALLATION OF AERIAL AND SATELLITE DISH

    42 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BG

    Received 29 Jul 2009
  19. Decided - Granted6/2018/2028/COND

    Submission of details pursuant to condition 1 (material samples for external surfaces) on planning permission 6/2018/0588/HOUSE

    23 New Road Digswell Welwyn AL6 0AQ

    Received 1 Aug 2018
  20. Decided - Granted6/2024/0818/HOUSE

    Installation of a skylight/roof window and a light tube on the rear/east facing roof

    14 The Quadrangle Welwyn Garden City AL8 6SG

    Received 30 Apr 2024
  21. Decided - Granted6/2018/2680/EM

    Erection of rear conservatory

    106 Dawley Welwyn Garden City AL7 1DX

    Received 16 Oct 2018
  22. Decided - Granted6/2015/2423/TPO

    Reduce lateral length of adventitious/epicormic growth up to 6m in height and with diameter of up to 2.5cm of Oak tree covered by TPO 119.

    3 Hook Lane, Northaw, Potters Bar, EN6 4DA

    Received 7 Dec 2015
  23. Decided - GrantedN6/2013/0162/S73B

    Time extension to planning permission N6/2010/0215/CA - Demolition of semi-detached garage

    1 Ruins Cottages Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BU

    Received 22 Jan 2013
  24. Decided - Granted6/2024/0292/TPO

    G1 - Sycamores (one tree) - Crown reduce all round by 1-2 metres to maintain size and shape. T1 - Hornbeam - Reduce in height by 3 metres to maintain size. T2 - Sweet Chestnut - Reduce in height by 4 metres as there is rot at the base. T3 - Yew - Crown reduce all round by 2 metres to maintain size and shape. T4 - Sweet Chestnut (2 x twin-stemmed) - Cut back 1 side by 1-2metres to maintain size and shape. TPO 676(2017)G1

    4 Firway Close Welwyn AL6 0RE

    Received 12 Feb 2024

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

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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
  • Understanding planning · 13 min read

    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