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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0468/COND

    Approval of details reserved by condition 3a (boundary treatment), condition 3c (hard surfacing) and 3d (tree protection measures) on planning permission S6/2014/2040/FP

    10 Bishops Rise Hatfield AL10 9HB

    Received 18 Mar 2016
  2. Decided - Granted6/2023/1536/EM

    Replacement of Privet Hedge

    40 Longcroft Lane, Welwyn Garden City, AL8 6EF

    Received 24 Jul 2023
  3. Decided - GrantedN6/2007/1624/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    96 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HL

    Received 31 Oct 2007
  4. Decided - Granted6/2023/0075/EMT

    T1- Silver Birch reduce by 30% due to excessive shading.

    6 Farm Close Welwyn Garden City AL8 6RP

    Received 11 Jan 2023
  5. DecidedW6/1999/1124/EM

    TWO STOREY SIDE EXTENSION AND REPLACEMENT GARAGE WITH PITCHED ROOF

    2 Guessens Road Welwyn Garden City AL8 6QR

    Received 1 Nov 1999
  6. Decided - Refused6/2019/1752/EM

    Erection of a single storey side infill, single storey part two storey side/rear extensions following demolition of existing conservatory and Installation of 2x side dormer windows and alterations to openings

    5 Pentley Park Welwyn Garden City AL8 7RT

    Received 12 Jul 2019
  7. Decided - Granted6/2022/0295/HOUSE

    Erection of single storey rear extension

    40 Springfields Welwyn Garden City AL8 6XN

    Received 9 Feb 2022
  8. Appeal Decided - Allowed6/2022/2506/LAWP

    Certificate of lawfulness for the change of use from C3 dwellinghouse to C2 residential institution

    48 The Runway Hatfield Hertfordshire AL10 9GL

    Received 1 Nov 2022
  9. Decided - Granted6/2023/1051/EM

    Intallation of fence to the rear and roadside boundary

    34 Great Break, Welwyn Garden City, AL7 3EZ

    Received 18 May 2023
  10. Decided - Granted6/2026/0588/HOUSE

    Erection of a single storey rear extension, main roof raised by 1 meter in height and rear dormer with rooflights to facilitate a loft conversion

    54 Georges Wood Road Brookmans Park AL9 7BU

    Received 2 Apr 2026
  11. Decided - GrantedW6/2014/1615/TE

    Reduce Pine tree to 12ft

    133 Thistle Grove, Welwyn Garden City, AL7 4AG

    Received 17 Jul 2014
  12. Decided - Granted6/2018/0175/EM

    Fell 1 x Lawson Cypress tree - Conservation area

    141 The Vineyard Welwyn Garden City AL8 7PX

    Received 18 Jan 2018
  13. Decided - GrantedN6/2013/0531/DS

    Discharge of conditions 4 (Samples) and 5 (Windows and Doors) from planning permission N6/2012/0101/FP

    45 Elmwood, Welwyn Garden City, AL8 6LD

    Received 13 Mar 2013
  14. Decided - GrantedC6/1988/0470/FP

    Single storey side extension

    3 Rooks Hill, Welwyn Garden City, AL8 6EU

    Received 1 Jan 1988
  15. Decided - Granted6/2021/0787/VAR

    Variation of condition 3 (approved plans) and removal of condition 2 (aboricultural method statement) on planning permission (6/2020/1800/HOUSE).

    3 Sharmans Close Digswell Welwyn AL6 0AR

    Received 11 Mar 2021
  16. Decided - Refused6/2016/2367/LAWP

    Certificate of lawfulness for a change of use from A1 (Shops) to D1 (Sui Generis)

    1 Woodside Road Digswell Welwyn AL6 0DS

    Received 10 Nov 2016
  17. Decided - GrantedW6/2014/0568/TE

    To fell cherry and conifer tree.

    22 Beehive Lane, Welwyn Garden City, AL7 4BQ

    Received 10 Mar 2014
  18. Decided - GrantedN6/2004/1456/FP

    ERECTION OF PART FIRST FLOOR, AND PART SINGLE STOREY SIDE AND REAR EXTENSIONS

    98 Harmer Green Lane Digswell Welwyn AL6 0ES

    Received 4 Oct 2004
  19. Decided - GrantedN6/2004/0327/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION

    31 GREAT NORTH ROAD, STANBOROUGH, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7TJ

    Received 5 Mar 2004
  20. Decided - GrantedW6/2013/0067/TE

    Fell Two Apple trees, Two Silver Birch trees and One Poplar located in rear garden to ground level

    9 Elmwood, WELWYN GARDEN CITY, AL8 6LD

    Received 14 Jan 2013
  21. Decided - Granted6/2017/0578/FULL

    Change of use from amenity land to garden/private land.

    10 Little Ganett Welwyn Garden City AL7 3DG

    Received 21 Mar 2017
  22. Decided - GrantedN6/2005/1376/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    29 Somersham Welwyn Garden City AL7 2PZ

    Received 2 Nov 2005
  23. Decided - Granted6/2025/1855/TPO

    T1 - 1 x Elderberry to reduce to below gutter height (3m approx) - Tree large and dominating next to house. Its growing onto roof T2 - 1 x Cherry to reduce by approximately 2m in height and width - Reduce to retain suitable size as blocking light to both lawn and shrub beds T3 - 1 x Oak to reduce by approximately 3m in height and width, remove major deadwood consisting of branches greater than 30mm in diameter. Reduce size as blocking light to neighbours. Overhang becoming a nuisance with debris and bird poo

    5 Heath Road Welwyn AL6 0TP

    Received 1 Sept 2025
  24. Decided - GrantedW6/2013/1141/TE

    Remove Western Red Cedar, reduce two Lombardy Poplar trees by 50% and remove dead Cherry tree and replace trees with more suitable species

    7 Handside Close, WELWYN GARDEN CITY, AL8 6SR

    Received 21 May 2013

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