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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 1 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/0682/LAWP

    Certificate of lawfulness for the erection of front porch

    126 Holwell Road Welwyn Garden Cit AL7 3RW

    Received 9 Apr 2025
  2. Decided - GrantedN6/2014/2462/MA

    Erection of a 75 bed care home, incorporating 20 person elderly day care centre, communal facilities, new vehicular access onto Shackleton Way, car parking, bin store and energy centre and associated hard and soft landscaping

    Land at, Bericot Way, Welwyn Garden City, AL7 2RT

    Received 5 Nov 2014
  3. Decided - Granted6/2023/0040/LAWP

    Certificate of lawfulness for the change of front door

    53 High Street Welwyn AL6 9EH

    Received 9 Jan 2023
  4. Decided - RefusedS6/2008/0355/FP

    ERECTION OF SINGLE STOREY SIDE, FRONT AND REAR EXTENSIONS

    38 PARSONAGE LANE, WELHAM GREEN, HATFIELD, HERTS, AL9 7LU

    Received 22 Feb 2008
  5. Decided6/2022/2627/TC

    Fell 1 x Goat Willow

    24 Attimore Road Welwyn Garden City AL8 6LW

    Received 17 Nov 2022
  6. Decided - RefusedN6/2008/1693/FP

    ERECTION OF TWO STOREY AND FIRST FLOOR SIDE EXTENSION, SINGLE STOREY REAR EXTENSION AND FRONT PORCH WITH CANOPY

    9 CHEDBURGH, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2PU

    Received 29 Aug 2008
  7. Decided - GrantedN6/2013/0589/FP

    Erection of single storey extension to exisitng garage

    2 Tylers Wood, WELWYN, AL6 0ET

    Received 12 Mar 2013
  8. Decided - Granted6/2023/1517/HOUSE

    Erection of a single storey front extension and two storey rear extension with fenestration and internal alterations

    7 Brookmans Avenue Brookmans Park AL9 7QH

    Received 20 Jul 2023
  9. Decided - RefusedN6/2007/0209/FP

    ERECTION OF DETACHED GARAGE FOLLOWING DEMOLITION OF EXISTING

    14 Danesbury Park Road Welwyn AL6 9SJ

    Received 8 Feb 2007
  10. Decided - RefusedN6/2013/0591/LUP

    Certificate of lawfulness for siting of chattels for agricultural purposes

    Land at Spinney Lane Welwyn AL6 9TB

    Received 11 Mar 2013
  11. Decided - GrantedS6/2008/2129/FP

    ERECTION OF PART SINGLE STOREY AND PART TWO STOREY SIDE AND REAR EXTENSIONS

    111 THE RYDE, HATFIELD, HERTFORDSHIRE, AL9 5DP

    Received 11 Nov 2008
  12. Decided - GrantedE6/1948/0197/

    Private garage

    52 Newfields Welwyn Garden City AL8 6YT

    Received 30 Apr 1948
  13. Decided - Granted6/2019/1088/LAWP

    Certificate of lawfulness for the construction of a loft conversion consisting of rear dormer and front Velux windows

    13 Tiger Moth Way Hatfield AL10 9LT

    Received 7 May 2019
  14. Decided - Granted6/2019/1928/EM

    Fell 1x Cedar tree

    10 Little Youngs Welwyn Garden City AL8 6SL

    Received 6 Aug 2019
  15. DecidedN6/2014/1277/TC

    Removal of one Norway Spruce tree and one Conifer tree

    19 Melbourne Court, Welwyn Garden City, AL8 6LL

    Received 5 Jun 2014
  16. Decided - GrantedS6/2004/0866/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION, AFTER DEMOLITION OF EXISTING CONSERVATORY

    7 Bramble Road Hatfield AL10 9RZ

    Received 8 Jun 2004
  17. Decided - GrantedW6/2004/1585/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION AND ALTERATIONS TO FENESTRATIONS

    107 Cole Green Lane, Welwyn Garden City, AL7 3JF

    Received 22 Oct 2004
  18. Decided - Withdrawn6/2025/0586/HOUSE

    Erection of single storey rear and side extension, conservatory and new detached garage with associated external landscaping, following the demolition of extensions including existing conservatory, single storey brick extension and 2no detached garages

    The Old Rectory 23-25 Mill Lane Welwyn AL6 9EU

    Received 27 Mar 2025
  19. Decided - Granted6/2021/2374/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3m in height and 3m to the eaves

    26 Little Ganett Welwyn Garden City AL7 3DG

    Received 11 Aug 2021
  20. Decided - Granted6/2024/0603/EM

    Installation of single vehicle parking with supplementary landscaping (retrospective)

    61 Boundary Lane Welwyn Garden City AL7 4EG

    Received 27 Mar 2024
  21. Decided - Granted6/2022/1969/HOUSE

    Demolition of existing extensions for the erection of a two-storey side extension and installation of one front and one rear facing dormers to property.

    99 The Ridgeway Cuffley Potters Bar EN6 4BG

    Received 24 Aug 2022
  22. Decided - Granted6/2024/1878/EMT

    1 x Goat willow remove deadwood consisting of branches greater than 40mm in diameter, lift canopy to 5m above ground level, reduce lateral branches back from property by 1.5m.

    108 Lemsford Lane, Welwyn Garden City, AL8 6YP

    Received 30 Sept 2024
  23. Decided - Granted6/2016/2737/EM

    Erection of single storey flat roof extension with lantern rooflight

    11 Rollswood Welwyn Garden City AL7 4DG

    Received 23 Dec 2016
  24. Decided - Granted6/2017/0853/ADV

    Retention of 2 x non-illuminated fascia signs

    2-4 Little Ridge Welwyn Garden City AL7 2BH

    Received 24 Apr 2017

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