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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2026/0833/EMT

    Fell Ash Tree in the garden due to; 1. The tree is now Damaging the shed due to growth 2. It is within 10m of neighbours (Graysfield Road) property and the roots may start causing structural damage 3. The Invasive roots are running up the garden, and is now within 10m of my building foundations 4. Dead branches keep falling in neighbouring properties which puts garden users at risk

    41 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 12 May 2026
  2. Decided - Granted6/2021/2431/HOUSE

    Erection of a two storey rear and single storey side extension with crown roof and rendering of the exterior

    72 Mymms Drive Brookmans Park Hatfield AL9 7AD

    Received 18 Aug 2021
  3. Decided - Granted6/2018/1311/EM

    Erection of a single storey side and rear extension. Erection of a first floor rear extension. Replacement of existing garage door. Alterations and insertion of windows and doors.

    14 The Jinnings Welwyn Garden City AL7 4QB

    Received 11 May 2018
  4. Decided - Granted6/2016/2073/TPO

    Removal of Oak tree - Dead & Dangerous - Conservation Area

    1 Densley Close, Welwyn Garden City, AL8 7JX

    Received 7 Oct 2016
  5. Decided - RefusedS6/2005/1251/TP

    GENERAL TREE MAINTENANCE

    21 & 23 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 6 Oct 2005
  6. Decided - Refused6/2021/0245/LAWP

    Certificate of Lawfulness for the erection of a single storey rear extension

    41 London Road Welwyn AL6 9HY

    Received 26 Jan 2021
  7. Decided - Granted6/2021/2671/HOUSE

    Erection of a ground floor front and rear extension, first floor front and rear extension with addition of a balcony and conversion of roofspace to habitable use to include 2 x rear dormers and 4 x rooflights

    41 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 15 Sept 2021
  8. Decided6/2026/0312/TC

    Removal of 6 conifer trees in back garden Permission was previously granted but ran out in Dec 25

    29 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 19 Feb 2026
  9. Decided - Granted6/2019/1824/EM

    Fell 1x Oak Tree

    20 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 24 Jul 2019
  10. Decided - GrantedS6/2008/1265/LB

    ERECTION OF PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION

    THE WHEATSHEAF, WEST END LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6AU

    Received 24 Jul 2008
  11. Decided - GrantedN6/2005/1388/TP

    WORK TO BEECH TREE (T21) COVERED BY TPO 260

    13 Mornington Digswell Welwyn AL6 0AJ

    Received 7 Nov 2005
  12. Decided - GrantedS6/2015/0054/FP

    Erection of a steel and glazed canopy between the two parades of shops

    2 The Arcade Hatfield AL10 0JY

    Received 13 Jan 2015
  13. Decided - GrantedW6/2014/2453/TE

    Fell Norway Spruce tree to ground level

    14 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 7 Nov 2014
  14. Decided - GrantedS6/2015/0662/LUP

    Certificate of lawfulness for proposed loft conversion with rear dormer

    9 Oaklands Avenue, Hatfield, AL9 7UH

    Received 30 Mar 2015
  15. Decided - Granted6/2019/2365/EM

    1 x Oak to deadwood and crown clean 1 x Hornbeam to reduce by 4m height & 2m width

    53 Parkway Welwyn Garden City AL8 6JF

    Received 24 Sept 2019
  16. Decided6/2025/2465/TC

    Group of Lawson cypress to fell. Replacing with a new beech hedge.

    16 Moorend Welwyn Garden City AL7 4QL

    Received 25 Nov 2025
  17. Decided - Granted6/2020/0360/HOUSE

    Erection of single storey first floor side extension, and front porch

    25 Tolmers Avenue Cuffley Potters Bar EN6 4QA

    Received 10 Feb 2020
  18. Decided - Granted6/2015/1729/LAWP

    Certificate of lawfulness for proposed development of single storey rear extension

    16 Rooks Hill Welwyn Garden City AL8 6ET

    Received 13 Aug 2015
  19. Decided - Granted6/2015/2309/FULL

    Proposed change of use from B1 office use to A1 retail use to ground floor and C3 (Dwellinghouse) to first floor including internal alterations

    29 High Street Welwyn AL6 9EE

    Received 13 Nov 2015
  20. Decided - Granted6/2024/0379/EM

    Replacement garage doors like for like

    63 Valley Road Welwyn Garden City AL8 7DH

    Received 27 Feb 2024
  21. Decided - GrantedN6/2009/0795/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    40 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTS, AL8 7PJ

    Received 30 Apr 2009
  22. Under Consideration6/2026/1933/TPO

    Remove dead plum tree and replace with apple or pear TPO669 (2017) G3

    3 Greenways Digswell Welwyn AL6 0EE

    Received 26 Oct 2026
  23. Decided6/2022/0400/TC

    Fell 5 x Leyland Cypress

    17 The Valley Green Welwyn Garden City AL8 7DQ

    Received 21 Feb 2022
  24. Decided - Granted6/2019/1772/EM

    Erection of greenhouse

    143 Blythway Welwyn Garden City AL7 1DN

    Received 18 Jul 2019

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