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
40,247Searchable applications
321Recorded as pending
86%Approval rate · 33,743 approved or refused records
4,812Refused applications

28,931 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2004/0123/FP

    ERECTION OF A FIRST FLOOR EXTENSION WITH PITCHED ROOF TO FORM HABITABLE ACCOMMODATION OVER DETATCHED GARAGE, FIRST FLOOR EXTENSION OVER LOUNGE;AND EXTENSION TO BASEMENT.

    2 Robbery Bottom Lane Welwyn AL6 0UW

    Received 27 Jan 2004
  2. Decided - GrantedN6/2015/1012/TC

    Removal of Silver Birch tree

    11 Dellcott Close, Welwyn Garden City, AL8 7BB

    Received 18 May 2015
  3. Appeal Decided - Allowed6/2019/0166/FULL

    Construction of coach workshop & office with 2 parking spaces, resurface of yard/wash down area following demolition of existing office and garage

    Welham Travel 9-12 Peartree Farm Welwyn Garden City AL7 3UW

    Received 28 Jan 2019
  4. Decided - Granted6/2026/0590/HOUSE

    Erection of two storey side extension and single storey front/side extension

    7 Barfolds Welham Green Hatfield AL9 7NG

    Received 2 Apr 2026
  5. Decided - RefusedW6/2014/2048/EM

    Erection of first floor and ground floor single storey rear extensions

    201 Heronswood Road, Welwyn Garden City, AL7 3JH

    Received 17 Sept 2014
  6. Decided - Granted6/2026/1071/EM

    Replacement roof system.

    38 Reddings Welwyn Garden City AL8 7LA

    Received 19 Jun 2026
  7. Decided - Granted6/2019/2958/COND

    Submission of details pursuant to condition 1 (remediation scheme) on planning permission 6/2018/3110/MAJ

    Ratcliff Tail Lifts Ltd Bessemer Road Welwyn Garden City AL7 1ET

    Received 26 Nov 2019
  8. Decided - Withdrawn6/2015/1931/LAWE

    Conversion of garage into habitable room

    14 Tolmers Road Cuffley Potters Bar EN6 4LA

    Received 17 Sept 2015
  9. Decided - Granted6/2024/1005/TPO

    4 x Oaks to reduce back to existing pruning points (around 1.2m), thin ends by around 15% crown volume. We are reducing these to maintain pruning cycle due to proximity to house and gardens (TPO 108)

    3 Mardley Wood Welwyn AL6 0UY

    Received 30 May 2024
  10. Decided - Granted6/2020/1521/FULL

    Erection of a six bedroom house with associated landscaping and access

    The Orchard House 53 Brockswood Lane Welwyn Garden City AL8 7BU

    Received 29 Jun 2020
  11. Decided - Withdrawn6/2017/2641/FULL

    Change of use from D1 (Non-residential Institution) to a mixed D1 (Non-residential Institution) and temporary winter night shelter (Sui Generis), for a period of five months.

    The Church of Saint Luke, St Albans Road East, Hatfield, AL10 0EJ

    Received 13 Nov 2017
  12. Decided - Refused6/2026/0533/LAWP

    Certificate of lawfulness for the proposed reinstatement of the woodland access / entry points off of Hammonds Lane to the north and into Furze Field to the South

    Symonds Hyde Wood Symonds Hyde Hammonds Lane Hatfield AL10 9BB

    Received 23 Mar 2026
  13. Decided - Refused6/2017/1116/EM

    Erection of two storey rear extension and installation of new front entrance door surround

    44 Longcroft Lane Welwyn Garden City AL8 6EF

    Received 23 May 2017
  14. Decided - GrantedN6/2009/2617/FP

    ERECTION OF ORANGERY

    30 New Road Digswell Welwyn AL6 0AH

    Received 2 Dec 2009
  15. Decided - GrantedN6/2013/0584/FP

    Erection of first floor rear dormer window

    Whitehill Cottages, 5 Whitehill, Ayot St Peter, WELWYN, AL6 9AE

    Received 20 Mar 2013
  16. Decided - Granted6/2018/1501/HOUSE

    Erection of single storey rear extension and loft conversion to habitable space including installation of rear dormer following demolition of existing rear conservatory

    10 Hurstlings Welwyn Garden City AL7 3LX

    Received 5 Jun 2018
  17. Decided - Granted6/2021/1029/HOUSE

    Erection of a single storey rear and side extension and front porch

    31 Kingsley Court Welwyn Garden City AL7 4HZ

    Received 29 Mar 2021
  18. Decided - Withdrawn6/2017/0611/TPO

    Reduce T1 Oak tree and T3 Apple tree canopy by upto 30% - Conservation Area

    2 Lytton Gardens Welwyn Garden City AL8 6EG

    Received 27 Mar 2017
  19. Decided - Granted6/2018/1646/EM

    Erection of wooden garden house following removal of garden shed

    10 High Grove Welwyn Garden City AL8 7DW

    Received 22 Jun 2018
  20. Decided - Granted6/2023/1702/EMT

    Reduce 1 x Ash crown by 30% Reduce 1 x Cedar crown by 25%

    139 Howlands Welwyn Garden City AL7 4RL

    Received 14 Aug 2023
  21. Decided - Granted6/2019/0393/EM

    Erection of part single, part two storey rear extension with alterations to openings

    59 Valley Road Welwyn Garden City AL8 7DH

    Received 20 Feb 2019
  22. Decided - Granted6/2021/2352/EM

    Removal of rear external wall/doors and insertion of box frame and sliding doors

    12 Willow Grove Welwyn Garden City AL8 7NA

    Received 9 Aug 2021
  23. Decided - Granted6/2022/0332/FULL

    Extension to the existing building

    Eastbridge Service Station Bridge Road East Welwyn Garden City AL7 1LE

    Received 14 Feb 2022
  24. Decided - Granted6/2017/1149/FULL

    Erection of roof extension to form 4x self contained one bedroom flats

    Walnut House, Walnut Grove, Welwyn Garden City, AL7 4EX

    Received 25 May 2017

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

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