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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0047/HOUSE

    Erection of conservatory to the rear of building

    1 Tempsford, Welwyn Garden City, AL7 2PA

    Received 14 Jan 2016
  2. Decided - GrantedS6/2013/2693/LB

    Alterations to widen an internal wall opening[

    The Two Brewers, 1 Northaw Road West, Northaw, EN6 4NW

    Received 16 Dec 2013
  3. Decided - RefusedW6/2007/0651/EM

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSIONS

    94 Handside Lane, Welwyn Garden City, AL8 6SN

    Received 25 Apr 2007
  4. Decided - Granted6/2023/0558/EM

    Erection of a single storey rear extension measuring 5m in depth, 3m in height and 2.60m to the eaves following demolition of the existing extension

    51 Herns Lane Welwyn Garden City AL7 2AG

    Received 13 Mar 2023
  5. Decided - Granted6/2016/1760/EM

    Replacement of door to the rear elevation with French doors

    23 Uplands, Welwyn Garden City, AL8 7EN

    Received 24 Aug 2016
  6. Decided - Granted6/2024/1026/EM

    Replacement of current lean to, pitched, glass roof on an existing conservatory with a lean to, pitched, Tapco tiled roof with insulated plastered interior

    27 Kirklands Welwyn Garden City AL8 7RF

    Received 3 Jun 2024
  7. Decided - Granted6/2021/2356/EM

    Replacement of front and rear doors

    3 Aldock Welwyn Garden City AL7 4QF

    Received 9 Aug 2021
  8. Decided - Granted6/2025/0166/COND

    Submission of details pursuant to condition number 1 (materials samples), 2 (window plans), 3 (insulation), 4 (fireplace) & 5 (roof repairs), on planning permission 6/2024/0988/LB

    1 Digswell Park Cottages Digswell Park Road Welwyn Garden City AL8 7NN

    Received 31 Jan 2025
  9. Decided - Withdrawn6/2020/2094/EMT

    Fell 1 Copper Beech

    85 The Vineyard Welwyn Garden City AL8 7PX

    Received 19 Aug 2020
  10. Decided - Granted6/2018/3179/LB

    Retrospective repairs to the basement steps

    Ayot Cottage Hill Farm Lane Welwyn AL6 9BT

    Received 13 Dec 2018
  11. Decided6/2025/2280/TC

    1 x Corkscrew willow to remove in sections to ground level. The client has had more issues with cracking along the front of the property and over the summer they contacted a structural engineer to asses the damage and what would be the cause of the issue. He has recommended that the willow tree at the front be removed and replaced by something more suitable - report attached

    40 Attimore Road Welwyn Garden City AL8 6LP

    Received 27 Oct 2025
  12. Decided - Granted6/2018/2216/HOUSE

    Erection of first floor rear extension

    Just House Coopers Lane Northaw Potters Bar EN6 4NJ

    Received 28 Aug 2018
  13. Decided - RefusedS6/2008/2308/FP

    PERMANENT CHANGE OF USE OF LEVEL 6 CAR PARKING FOR USE AS CAR BOOT SALE ON SUNDAY MORNINGS

    CAR PARK LEVEL 6 - THE GALLERIA, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10 0XR

    Received 27 Nov 2008
  14. Decided - GrantedS6/2014/0428/FP

    Erection of detached dwelling following demolition of existing

    The Spinney, Tylers Causeway, Newgate Street, Hertford, SG13 8QN

    Received 27 Feb 2014
  15. Decided - Granted6/2024/1969/HOUSE

    Erection of a part single, part two storey rear extension and single storey side extension following demolition of side utility area

    54 Lowerfield Welwyn Garden City AL7 3JT

    Received 14 Oct 2024
  16. Decided - Granted6/2025/2154/HOUSE

    Erection of single storey side and rear extensions

    23 Rooks Hill Welwyn Garden City AL8 6EU

    Received 10 Oct 2025
  17. Decided - Granted6/2018/1637/COND

    Submission of details pursuant to condition 2 (Waste Management Plan to be submitted) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 21 Jun 2018
  18. Decided - Granted6/2026/1010/LAWP

    Certificate of lawfulness for loft extension with side dormers and the addition of two rooflights to the front roof space and one to the rear

    5 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 9 Jun 2026
  19. Decided - Refused6/2018/0310/LAWP

    Certificate of lawfulness for the erection of single storey rear extension, front porch and shed in the rear garden

    16 Burgundy Croft Welwyn Garden City AL7 3QA

    Received 31 Jan 2018
  20. Decided - Granted6/2019/1481/LAWP

    Certificate of lawfulness for the erection of rear outbuilding for a gym and meditation space

    30 Brookmans Avenue Brookmans Park Hatfield AL9 7QJ

    Received 19 Jun 2019
  21. Decided - GrantedS6/2006/0694/AD

    NON-ILLUMINATED FASCIA SIGN

    14 Station Road Cuffley Potters Bar EN6 4HT

    Received 31 May 2006
  22. Decided6/2023/0246/TC

    1 x Oak - reduce by approximately 2m in height, and approximately 1.2m in width 1 x Holly - reduce by 3m in height - To maintain size 1 x Ash - dismantle in sections to ground level using specialist rigging techniques to lower branches in a safe manner. The tree appears to have Ash dieback along with some decay in main structural branches

    10 Mandeville Rise Welwyn Garden City Hertfordshire AL8 7JU

    Received 1 Feb 2023
  23. Decided - Granted6/2024/2063/HOUSE

    Erection of first floor side extension

    32 Turpins Chase Welwyn AL6 0RR

    Received 25 Oct 2024
  24. Decided - Granted6/2022/1185/EMT

    Removal of laurel bushes/hedges to be replaced either privet, hornbeam, yew or beech.

    196 Knightsfield Welwyn Garden City AL8 7RQ

    Received 23 May 2022

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