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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2009/2654/FP

    ERECTION OF SINGLE STOREY EXTENSION TO EXISTING GARAGE

    2 STAG GREEN AVENUE, HATFIELD, HERTFORDSHIRE, AL9 5EA

    Received 9 Dec 2009
  2. Decided - RefusedS6/2013/1499/FP

    Erection of dwelling house following demolition of existing bungalow

    18 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BT

    Received 15 Jul 2013
  3. Decided - RefusedN6/2005/1351/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION.

    111 Handside Lane Welwyn Garden City AL8 6SP

    Received 26 Oct 2005
  4. Decided - GrantedS6/2014/1213/FP

    Erection of two storey side and rear extension

    4 Homewood Avenue, Cuffley, Potters Bar, EN6 4QG

    Received 2 Jun 2014
  5. Decided - Granted6/2023/0289/HOUSE

    Erection of a part single and part two storey rear extension with front porch and insertion of window to existing side elevation

    13 Salisbury Road Welwyn Garden City AL7 3RR

    Received 6 Feb 2023
  6. Decided - GrantedS6/2008/0992/FP

    ERECTION OF NEW DWELLING, FOLLOWING DEMOLITION OF EXISTING DWELLING

    19 BROOKMANS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QH

    Received 25 Jun 2008
  7. Decided - GrantedN6/2015/0259/TC

    Removal of Leylandii tree

    12 Wilkins Grove, Welwyn Garden City, AL8 6JS

    Received 10 Feb 2015
  8. Decided - Refused6/2024/1396/VAR

    Variation of condition 2 (approved plans) on planning permission 6/2023/0794/HOUSE to include replacing the boundary wall with a fence and single storey side extension

    49 Marley Road Welwyn Garden City AL7 4BT

    Received 22 Jul 2024
  9. Decided - GrantedS6/2014/1348/LUP

    Certificate of lawfulness for the erection of a single storey rear extension with roof lights

    274 Bishops Rise Hatfield AL10 9QT

    Received 13 Jun 2014
  10. Decided - GrantedN6/2013/2486/TC

    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
  11. Decided - GrantedN6/2004/0950/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION.

    4 Coneydale Welwyn Garden City AL8 7RY

    Received 24 Jun 2004
  12. Decided - GrantedC6/1988/0675/CC

    Two additional car parking spaces

    HERTFORDSHIRE CONSTABULARY, The Campus, Welwyn Garden City, AL8 6AF

    Received 1 Jan 1988
  13. Decided - Withdrawn6/2022/2343/HOUSE

    Loft Conversion with roof extension from Hip to Gable with rear dormer and installation of roof windows

    20 Crawford Road Hatfield AL10 0PG

    Received 7 Oct 2022
  14. Decided - RefusedW6/2009/0970/EM

    FORMATION OF VEHICLE HARDSTANDING

    13 HARWOOD HILL, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7AA

    Received 14 Apr 2009
  15. Decided - Refused6/2016/1276/LAWP

    Certificate of lawfulness for the proposed raising of roof height to the existing side ground floor extension

    64 Parkway, Welwyn Garden City, AL8 6HH

    Received 27 Jun 2016
  16. Appeal Decided - Dismissed6/2016/0932/HOUSE

    Retrospective application for the erection of a fence to the front boundary

    55 Heronswood Road, Welwyn Garden City, AL7 3ER

    Received 13 May 2016
  17. Decided - WithdrawnW6/2008/2098/EM

    FORMATION OF HARDSTANDING

    14 BROCKETT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BN

    Received 5 Nov 2008
  18. Decided - Granted6/2020/3047/FULL

    Replacement of existing pitched roof of sales office with a flat roof, alterations to openings and fenestrations of shopfront and installation of fascia board

    G T Towing Great North Road Hatfield AL9 5SD

    Received 18 Nov 2020
  19. Decided - Granted6/2026/1169/LB

    Installation of full fibre network to the building

    1-13 Holwell Court Hatfield AL9 5RL

    Received 6 Jul 2026
  20. Decided - GrantedS6/2009/1061/AD

    INSTALLATION OF NEW FASCIA SIGN AND DRIVE-THRU SIGNAGE

    MCDONALDS RESTAURANTS LTD, 68 THE GALLERIA, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10 0XY

    Received 20 May 2009
  21. Decided - GrantedS6/2007/0436/FP

    ERECTION OF TWO STOREY REAR EXTENSION AND NEW REAR DORMER TO REPLACE EXISTING

    43 Georges Wood Road Brookmans Park Hatfield AL9 7BX

    Received 16 Mar 2007
  22. Decided - GrantedN6/2005/1549/FP

    EXTENSION OF EXISTING PORCH AND ERECTION OF SINGLE STOREY REAR EXTENSION.

    74 Attimore Road Welwyn Garden City AL8 6LP

    Received 15 Dec 2005
  23. Decided6/2020/3089/TC

    Crown Reduce 1x Oak Tree by 3-4m all round, Fell 1 x Hornbeam tree, Fell 1 x Oak tree

    14 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 20 Nov 2020
  24. Decided - GrantedS6/2007/1487/FP

    ERECTION OF A REPLACEMENT DWELLING

    34 BROOKMANS AVENUE, BROOKMANS PARK, HATFIELD, HERTS, AL9 7QJ

    Received 10 Oct 2007

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