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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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 2 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2026/0509/EM

    Erection of a single storey side extension / winter garden

    16 Guessens Road Welwyn Garden City AL8 6QR

    Received 18 Mar 2026
  2. Decided - GrantedS6/2014/0823/DS

    Approval of details reserved by condition 5 (materials) of planning permission S6/2010/3064/FP

    5 Chester Close, Little Heath, Potters Bar, EN6 1DT

    Received 14 Apr 2014
  3. Decided - Granted6/2023/2070/HOUSE

    Erection of Garden Room

    14 Parkside Welwyn AL6 9DQ

    Received 10 Oct 2023
  4. Decided - GrantedS6/2015/0598/FP

    Erection of first floor front extension

    67 Wellfield Road, Hatfield, AL10 0BY

    Received 18 Mar 2015
  5. Decided - GrantedN6/2006/1502/CD

    APPLICATION FOR RESERVED MATTERS FOR CHILDREN'S HOME AND ADOLESCENT RESOURCE CENTRE

    STANFIELD CHILDREN'S HOME, LEMSFORD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YN

    Received 7 Nov 2006
  6. Decided6/2017/2332/TPO

    Reduce Magnolia crown height and lateral branches by 1m, pruning back to suitable growth points, lift canopy by 2m and sever Ivy located in rear garden - Conservation Area

    28 Mill Lane Welwyn AL6 9ET

    Received 11 Oct 2017
  7. Decided - Granted6/2019/3020/EM

    Erection of a first floor side extension

    66 Digswell Park Road Welwyn Garden City AL8 7NS

    Received 29 Nov 2019
  8. Decided - GrantedN6/2013/1665/TC

    Reduce Pear tree by 30%

    26 Guessens Road, Welwyn Garden City, AL8 6RA

    Received 23 Jul 2013
  9. Decided - Granted6/2017/1734/EM

    Crown reduce two oaks and one hornbeam by 30%

    5 Woodland Rise Welwyn Garden City AL8 7LE

    Received 7 Aug 2017
  10. Decided - GrantedN6/2007/1621/TP

    REMOVAL OF LIME TREE T11 COVERED BY TPO 194

    1 SHERRARDS MANSION, RECTORY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7AY

    Received 30 Oct 2007
  11. Decided - Granted6/2024/2316/RM

    Approval of reserved matters for the erection of 40 residential apartments and associated car parking, landscaping and infrastructure (pursuant to application to 6/2019/2714/OUTLINE) comprising layout, scale, appearance and landscaping (following demolition of existing buildings)

    90 Peartree Lane Welwyn Garden City AL7 3UL

    Received 2 Dec 2024
  12. Decided - GrantedN6/2013/1727/TP

    Reduce Hornbeam by 20% covered by TPO 99 T3

    1 Juniper Gardens Welwyn AL6 0XH

    Received 2 Aug 2013
  13. DecidedN6/2008/2085/TE

    REMOVAL OF CHERRY TREE FROM REAR GARDEN

    134 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HP

    Received 4 Nov 2008
  14. Decided - Granted6/2021/1597/HOUSE

    Erection of single storey glazed rear infill extension and reduction of the size of the existing garage.

    1 Barneswood Digswell Welwyn AL6 0EU

    Received 19 May 2021
  15. Decided - GrantedN6/2013/2467/FP

    Erection of single storey front extension

    1B Leonard's Close Welwyn AL6 0QJ

    Received 25 Nov 2013
  16. Decided - Refused6/2024/1526/HOUSE

    Erection of part single part two storey rear and single storey side extensions with fenestration alterations

    6 Blackthorn Road Welwyn Garden City AL7 3JS

    Received 12 Aug 2024
  17. Decided - Granted6/2025/1014/COND

    Submission of details pursuant to condition number 10 (Biodiversity Gain Plan), on planning permission 6/2024/0105/MAJ

    Land north of The Meadway Cuffley Potters Bar EN6 4ET

    Received 29 May 2025
  18. Decided - Granted6/2026/1050/EM

    Plum hedge row to reduce by 2m height. Reduce lateral branches over garden area by 1.5-2m. They are blocking lots of light to half the garden and causing a nuisance. Want to maintain height and width

    19 Crossway Welwyn Garden City AL8 7ED

    Received 16 Jun 2026
  19. DecidedN6/2009/1587/TE

    WORKS TO FIVE CONIFER TREES AND ONE ONE PLUM TREE IN REAR GARDEN

    27 THE MOORS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1QR

    Received 24 Jul 2009
  20. Decided - GrantedS6/2005/1542/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION WITH JULIET BALCONY

    24 Thornton Road Little Heath Potters Bar EN6 1JH

    Received 13 Dec 2005
  21. Decided - GrantedS6/2013/2335/FP

    Retention of House in Multiple Occupation (Sui Generis Use Class)

    10 Ground Lane Hatfield AL10 0HH

    Received 31 Oct 2013
  22. Decided - GrantedS6/2015/0118/FP

    Erection of two detatched dwellings following the demolition of existing dwelling

    11 Kerdistone Close Little Heath Potters Bar EN6 1LG

    Received 21 Jan 2015
  23. Decided - Granted6/2021/2369/EM

    Erection of rear extension; additional small extension to office; new low pyramid roof over the office and additional new pitched roof to rear.

    27 Attimore Road Welwyn Garden City AL8 6LQ

    Received 10 Aug 2021
  24. Decided - Granted6/2025/0960/HOUSE

    Alterations to the roof, formation of rear dormer & insertion of front rooflights and raising to form habitable accommodation. Proposed ground floor rear extension and part first floor rear extension with pitched roof over side element

    129 Moffats Lane Brookmans Park AL9 7RP

    Received 23 May 2025

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

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Researching a proposal in Welwyn Hatfield Borough Council

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How to search planning applications

Guides to planning records

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    Planning application documents: what to read first

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  • 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.

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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.

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