PlanningTrack
Get started

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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2009/1419/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    SUN INN, 31 LEMSFORD VILLAGE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7TN

    Received 28 Apr 2009
  2. Decided - Granted6/2018/0081/LAWE

    Certificate of lawfulness for use of hardstanding to front of property

    105 Cole Green Lane Welwyn Garden City AL7 3JF

    Received 10 Jan 2018
  3. Decided - Refused6/2020/2605/COND

    Submission of details pursuant to condition 1 (noise) on prior approval 6/2018/2871/PN11

    56 Bridge Road East Welwyn Garden City AL7 1JU

    Received 8 Oct 2020
  4. Decided - Granted6/2018/1927/HOUSE

    Erection of first floor front and part single part two storey rear extensions, porch alteration, roof alterations over garage and alterations to openings. Conversion of garage into habitable accommodation. Construction of rear patio and front pathway. Landscape changes to front garden

    14 Guessens Road Welwyn Garden City AL8 6QR

    Received 20 Jul 2018
  5. Decided - GrantedS6/2005/1526/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    121 Moffats Lane Brookmans Park Hatfield AL9 7RP

    Received 9 Dec 2005
  6. Decided6/2024/0208/TC

    T1-Lime- Reduce branches on property side by 1m below pollard point and repollard remaining crown back to previous reduction points. Crown lift to clear 4m to remove epicormic growth.

    36 Applecroft Road Welwyn Garden City AL8 6LA

    Received 1 Feb 2024
  7. Decided - GrantedW6/2013/2485/TE

    Removal of Two Lombardy Poplar trees and reduce a further Two by 50%

    52 Attimore Road, WELWYN GARDEN CITY, AL8 6LP

    Received 11 Nov 2013
  8. Decided - Withdrawn6/2025/0317/LAWP

    Certificate of lawfulness for a proposed loft conversion, including an extension to the roof, rear dormer window, front rooflights

    129 Moffats Lane Brookmans Park AL9 7RP

    Received 19 Feb 2025
  9. Decided - Granted6/2016/0447/HOUSE

    Erection of a first floor side extension

    2 Brooksfield, Welwyn Garden City, AL7 2BJ

    Received 16 Mar 2016
  10. Decided - Granted6/2020/3236/VAR

    Remove condition 2 from planning permission (S6/2001/1361/FP)

    Asda Superstore 98 Town Centre Hatfield AL10 0JW

    Received 3 Dec 2020
  11. Decided - Granted6/2026/0370/EMT

    T1 Apple tree to remove one branch, reducing the width by 33% and height by 25%.

    47 Great Dell Welwyn Garden City AL8 7HP

    Received 27 Feb 2026
  12. Decided - GrantedS6/2009/1267/FP

    RETENTION OF BRICK WALL AND PILLARS TO REPLACE TIMBER POST AND RAIL FENCE

    THE OAKS, 67 TOLMERS ROAD, CUFFLEY, HERTFORDSHIRE, EN6 4JJ

    Received 15 Jun 2009
  13. Decided - WithdrawnW6/2009/2569/EM

    FORMATION OF HARDSTANDING

    17 DIGSWELL ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PD

    Received 19 Nov 2009
  14. Appeal Decided - Allowed6/2017/2238/RW

    Diversion Order 2016 Diversion of Public footpath

    Ayot St Peter Hertfordshire

    Received 2 Oct 2017
  15. Decided - GrantedN6/2007/0370/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    91 Broomhills Welwyn Garden City AL7 1RE

    Received 6 Mar 2007
  16. Decided - Granted6/2025/2472/COND

    Submission of details pursuant to condition 26 (Landscape Management Plan) on planning permission 6/2022/1375/MAJ

    Land at Hollybush Lane to the east of A1000 and north of Ascots Lane Welwyn Garden City AL7 4EG

    Received 26 Nov 2025
  17. Decided - GrantedN6/2009/1935/TE

    REDUCE TWO OAK TREE CROWNS BY 30% AND REMOVE STORM DAMAGE

    41 WOODHALL LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3TB

    Received 25 Aug 2009
  18. Decided - Granted6/2021/3108/LB

    Listed building consent for replacement of two existing windows and one patio door

    Hornbeam House Ayot St Peter Road Ayot St Peter Welwyn AL6 9BG

    Received 1 Nov 2021
  19. Under Consideration6/2025/2358/HOUSE

    Erection of a two storey side extension, single storey rear extension and loft conversion with sun tunnels and rear rooflight, installation of replacement front door

    79 Mill Green Road Welwyn Garden City AL7 3UX

    Received 10 Nov 2025
  20. Decided - Refused6/2016/0449/HOUSE

    Erection of single storey, ground floor rear and side extension, roof extension and internal alterations.

    40 Bluebridge Road, Brookmans Park, Hatfield, AL9 7SA

    Received 17 Mar 2016
  21. Decided - Granted6/2021/2567/HOUSE

    Erection of a single storey rear extension, conversion of detached garage to habitable use, and conversion of loft including the insertion of 3 x rear rooflights

    17 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 3 Sept 2021
  22. Decided - GrantedN6/2009/1852/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    15 Elmoor Avenue Welwyn AL6 9PG

    Received 25 Aug 2009
  23. DecidedS6/2015/1477/PN7

    Temporary change of use from A1 (shops) to A3 (restaurants and cafes)

    3 The Broadway Hatfield AL9 5BG

    Received 5 Jun 2015
  24. Decided - RefusedS6/2014/1894/FP

    Erection of single storey side and rear extension and installation of rear dormer

    35 Huggins Lane, Welham Green, Hatfield, AL9 7LJ

    Received 26 Aug 2014

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

View all applications

Applications by postcode area

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities