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28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2008/0487/FP

    ERECTION OF GARDEN SHED

    10 THE QUADRANGLE, WELWYN GARDEN CITY, HERTS, AL8 6SG

    Received 19 Mar 2008
  2. Under Consultation6/2026/1747/COND

    Submission of details pursuant to condition number 11 (air source heat pump), 12 (species management plan) and 30 (external lighting) on planning permission 6/2023/1886/FULL

    The Long And Short Arm 18 Lemsford Village Welwyn Garden City AL8 7TN

    Received 1 Oct 2026
  3. Decided - GrantedN6/2006/0046/CD

    PROPOSED FLOODLIGHTING COLUMNS ON HARD PLAY AREA

    Monks Walk School Knightsfield Welwyn Garden City AL8 7NL

    Received 12 Jan 2006
  4. Decided - GrantedW6/2004/0728/EM

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    10 Cole Green Lane, Welwyn Garden City, AL7 3PW

    Received 12 May 2004
  5. Decided - Refused6/2020/2002/VAR

    Removal of planning condition 5 on planning permission (6/2016/2452/FULL) - Erection of new dwelling following removal of existing bungalow. Condition 5 removing permitted development rights within Classes A, B, C, D and E of Part 1 of Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015.

    2A Rollswood Road Welwyn AL6 9TX

    Received 11 Aug 2020
  6. Decided - GrantedN6/2014/1740/FP

    Erection of single storey rear and side extension and part conversion of garage to habitable accommodation

    76 The Vineyard, Welwyn Garden City, AL8 7PU

    Received 4 Aug 2014
  7. Decided - Granted6/2018/2318/HOUSE

    Formation of a vehicular access and dropped kerb

    91 Northaw Road West Northaw Potters Bar EN6 4NS

    Received 10 Sept 2018
  8. Decided - GrantedN6/2009/2367/FP

    ERECTION OF REPLACEMENT DWELLING AND DETACHED GARAGE

    6 Mardley Avenue Welwyn AL6 0UD

    Received 26 Oct 2009
  9. Decided - Granted6/2020/3358/EM

    Erection of a chimney flue above ridge of the roof

    65 Valley Road Welwyn Garden City AL8 7DR

    Received 15 Dec 2020
  10. Decided - Refused6/2016/2405/HOUSE

    Replacement of existing tile hung cladding to first floor of front and side elevations. Partial conversion of existing double garage. Erection of first floor side extension including rear balcony. Erection of single storey rear extension with alteration to openings.

    55 Carleton Rise Welwyn AL6 9RQ

    Received 15 Nov 2016
  11. Decided - Granted6/2020/3002/EMT

    Fell of conifer/pine tree from back garden

    9 Hillside Welwyn Garden City AL7 4PZ

    Received 13 Nov 2020
  12. Decided - Granted6/2016/1949/FULL

    Erection of single storey dwelling house

    14 East Ridgeway, Cuffley, Potters Bar, EN6 4AP

    Received 22 Sept 2016
  13. Decided - GrantedS6/2013/1766/FP

    Erection of two storey front extension to include lobby & gallery

    8 Pine Grove, Brookmans Park, Hatfield, AL9 7BS

    Received 13 Aug 2013
  14. Decided - Granted6/2016/1816/COND

    Approval of details reserved by condition 3 (Construction Method Statement) on planning permission 6/2015/1957/MAJ

    Former Argos Direct Distribution Depot, 1 Bessemer Road, Welwyn Garden City, AL7 1GF

    Received 6 Sept 2016
  15. Decided - Granted6/2018/0271/LAWP

    Certificate of lawfulness for a hip to gable loft conversion and installation of rear dormer and 2 front roof lights

    13 Theobalds Road Cuffley Potters Bar EN6 4HQ

    Received 29 Jan 2018
  16. Decided - Granted6/2023/0896/HOUSE

    Erection of a single storey, part first-floor rear extension following demolition of the existing conservatory, and hip to gable roof conversion

    2 The Driveway Cuffley Potters Bar Hertfordshire EN6 4EB

    Received 26 Apr 2023
  17. Decided - GrantedW6/2015/0287/EM

    Erection of two storey side extension

    81 Beehive Lane Welwyn Garden City AL7 4BN

    Received 12 Feb 2015
  18. Decided - Granted6/2022/1731/FULL

    Erection of two sets of gates and piers, one at the main entrance serving plots 2-6 and the other at the entrance of plot 1

    36 The Ridgeway Cuffley Potters Bar EN6 4AX

    Received 22 Jul 2022
  19. Decided - GrantedN6/2014/0025/TC

    Removal of Prunus tree

    2 Monica Court, Applecroft Road, WELWYN GARDEN CITY, AL8 6LB

    Received 13 Jan 2014
  20. Decided - Granted6/2021/2798/TPO

    T3 Oak - Target prune the top lateral branches growing towards the Hornbeam by 1.5 meters T2 Hornbeam - Reduce the crown and lateral branches of the group of Hornbeams by 1 - 1.5 meters

    1 Oak Piece Welwyn AL6 0XE

    Received 29 Sept 2021
  21. Decided - Granted6/2019/1546/EM

    Reduce1 x Oak by 2m approximately

    9 Dellcott Close Welwyn Garden City AL8 7BB

    Received 25 Jun 2019
  22. DecidedS6/2007/1251/CD

    APPLICATION FOR LIGHTING IN THE ADJACENT CAR PARK AT STREAM WOODS SCHOOL

    ADJACENT CAR PARK, AT STREAM WOODS SCHOOL, HATFIELD, Hertfordshire, AL10

    Received 20 Aug 2007
  23. Decided - GrantedS6/2015/0676/DS

    Approval of details reserved by condition 14 (temporary car park) of planning permission S6/2015/0016/S73A

    Bishops Hatfield Girls School, Woods Avenue, Hatfield, AL10 8NL

    Received 27 Mar 2015
  24. Decided - GrantedN6/2014/1954/FP

    Erection of single storey rear extension

    16 Great Break, Welwyn Garden City, AL7 3EZ

    Received 2 Sept 2014

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