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
40,163Searchable applications
309Recorded as pending
86%Approval rate · 33,679 approved or refused records
4,801Refused applications

28,878 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 4 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2009/2171/TE

    REDUCE CROWN OF BEECH TREE BY 20% (2 METRES)

    31 BRIDGE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6UG

    Received 6 Oct 2009
  2. Decided - GrantedW6/2008/0757/EM

    ALTERATION OF FRONT ELEVATION TO FORM A WINDOW

    27 ROOKS HILL, WELWYN GARDEN CITY, HERTS, AL8 6EU

    Received 6 May 2008
  3. DecidedN6/2015/0277/TC

    Crown thin Apple tree and Sycamore tree by 30% plus remove dead branch from Conifer tree and reduce 3 Conifers by 5%

    13 Pentley Park, Welwyn Garden City, AL8 7RT

    Received 11 Feb 2015
  4. Decided - GrantedN6/2009/2104/FP

    CHANGE OF USE FROM (A1) RETAIL TO (D1) VETERINARY CLINIC WITH ANCILLARY PET HEALTHCARE PRODUCT SALES

    160 HOLLYBUSH LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4JU

    Received 28 Sept 2009
  5. Decided - Granted6/2023/1802/MAJ

    Installation of 10MW solar photovoltaic array across approximately 10 hectares of land with installation of 1.5MW battery energy storage system and associated landscaping

    Land East of A6129 Stanborough Hatfield AL8 7TB

    Received 29 Aug 2023
  6. Decided - WithdrawnS6/2006/0091/CD

    SINGLE STOREY EXTENSION TO EXISTING BUILDING TO PROVIDE ADDITIONAL COMMUNITY FACILITY

    ROE HILL HALL, BRIARS LANE, HATFIELD, HERTFORDSHIRE, AL108EX

    Received 23 Jan 2006
  7. Decided - Granted6/2023/0498/HOUSE

    Erection of single storey rear extension and part single, part two storey front extension

    131 Tolmers Road Cuffley Potters Bar EN6 4JW

    Received 6 Mar 2023
  8. Decided - GrantedS6/2014/1346/FP

    Erection of single storey rear extension, alterations to roof incorporating side dormer and hip-to-gable conversions

    26 Northaw Road East, Cuffley, Potters Bar, EN6 4LL

    Received 13 Jun 2014
  9. Decided - Granted6/2022/0324/EMH

    Demolition of existing conservatory to facilitate the erection of a single storey rear extension and insertion of door to existing ground floor side elevation.

    7 Hurstlings Welwyn Garden City AL7 3LX

    Received 11 Feb 2022
  10. Decided6/2020/2136/TC

    Cut down 2 x conifers in back garden

    62 Beehive Lane Welwyn Garden City AL7 4BP

    Received 21 Aug 2020
  11. Decided - GrantedW6/2006/0436/EM

    ERECTION OF REAR CONSERVATORY

    44 Guessens Road, Welwyn Garden City, AL8 6RH

    Received 4 Apr 2006
  12. Decided - Refused6/2015/1780/HOUSE

    Erection of two storey rear extension following demolition of existing detached garage

    81 Woodhall Lane Welwyn Garden City AL7 3TH

    Received 17 Jul 2015
  13. Decided - GrantedW6/2015/1011/TE

    Removal of Silver Birch tree

    11 & 13 Dellcott Close, Welwyn Garden City, AL8 7BB

    Received 18 May 2015
  14. Decided - Granted6/2017/0470/EM

    Formation of hardstanding

    176 Heronswood Road Welwyn Garden City AL7 3EU

    Received 10 Mar 2017
  15. Decided - Granted6/2015/1808/FULL

    External alterations including two docking bays, canopy, refrigeration units, air conditioning packs, cycle shelter, smoking shelter, erection of entry turnstile gate & flag pole

    Former 'City Link', Frobisher Way, Hatfield, AL10 9TR

    Received 26 Aug 2015
  16. Decided - Granted6/2023/0846/FULL

    Installation of new aluminium automatic telescopic sliding door and new shopfront

    Unit 17 New Shopping Centre High View Hatfield AL10 8FH

    Received 20 Apr 2023
  17. Decided6/2024/1179/TC

    T1-Leylandii-Reduce in height by approx. 4 metres to maintain size T2-Copper Beech-Crown reduce all round by 3 metres to maintain size and shape T3-Eucalyptus-Crown reduce all round by 3-4 metres back to 'old points' to maintain size and shape T4-Apple x 2-Prune by 1-2 metres to maintain size and shape T5-Leylandii-Cut back by 1 metre and shape to maintain size

    57 Parkway Welwyn Garden City AL8 6JF

    Received 24 Jun 2024
  18. Decided - Granted6/2023/0623/EMH

    Erection of ground floor and first floor rear extension serving the existing and proposed dwelling to convert the existing two storey side extension

    189 Boundary Lane Welwyn Garden City AL7 4EJ

    Received 21 Mar 2023
  19. Decided - Granted6/2021/0869/EMH

    Erection of garden room in rear garden

    37 Coltsfoot Welwyn Garden City AL7 3HZ

    Received 17 Mar 2021
  20. Decided - GrantedS6/2004/0725/FP

    ERECTION OF TWO STOREY REAR AND SINGLE STOREY FRONT EXTENSIONS

    56 Pine Grove Brookmans Park Hatfield AL9 7BW

    Received 13 May 2004
  21. Appeal Decided - Dismissed6/2021/0950/HOUSE

    Erection of single storey side garage extension to facilitate garage into habitable space.

    45 Robbery Bottom Lane Welwyn AL6 0UL

    Received 24 Mar 2021
  22. Decided - GrantedS6/2004/0650/FP

    ERECTION OF REAR CONSERVATORY AND FRONT PORCH

    Flint Cottage Blackhorse Lane Potters Bar EN6 3NB

    Received 30 Apr 2004
  23. Under Consideration6/2026/1866/TC

    T1 - 1 x Beech to reduce overhanging branches by approximately 4m

    8 The Green Welwyn AL6 9EA

    Received 14 Oct 2026
  24. Under Consideration6/2026/1637/LAWP

    Certificate of lawfulness to replace garage doors with bi-fold doors

    5 The Limes Welwyn Garden City AL7 4BD

    Received 18 Sept 2026

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

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