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
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedS6/2007/1248/FP

    LOFT COVERSION WITH INSERTION OF SIDE DORMER WINDOWS

    15 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 17 Aug 2007
  2. Decided - Granted6/2022/1198/PN8

    Prior approval for proposed single storey rear extension- 5.4m in depth, 2.75m to the eaves and 3.0m in height

    Farmleigh Berkhamsted Lane Essendon Hatfield AL9 6JS

    Received 24 May 2022
  3. Decided - RefusedS6/2014/1920/LB

    Installation of 3 fascia signs

    Red Lion Hotel 88 Great North Road Hatfield AL9 5EU

    Received 28 Aug 2014
  4. Decided - Granted6/2019/2541/EM

    Fell 1 x Cherry tree Reduce 2 x Plums tree by 2.5m

    17 Monks Rise Welwyn Garden City AL8 7NF

    Received 9 Oct 2019
  5. DecidedN6/2014/1225/TC

    Removal of three Cherry trees

    19 Scholars Mews, Welwyn Garden City, AL8 7JQ

    Received 9 Jun 2014
  6. Decided - Refused6/2019/0234/FULL

    Erection of two dwellings following demolition of two existing dwellings

    15-17 Newgate Street Village, Hertford, SG13 8RA

    Received 4 Feb 2019
  7. Decided - Granted6/2023/2542/HOUSE

    Creation of a balcony to the front of the property

    48 Woods Avenue Hatfield AL10 8NA

    Received 21 Dec 2023
  8. Decided - RefusedN6/2006/0260/FP

    DEMOLITION OF EXISTING PROPERTY AND CONSTRUCTION OF TWO DETACHED DWELLINGS

    Greenacres 5 Pottersheath Road Welwyn AL6 9SY

    Received 2 Mar 2006
  9. Appeal Decided - AllowedN6/2004/0255/DE

    APPROVAL OF RESERVED MATTERS APPLICATION BY THE ERECTION OF 109 NEW DWELLINGS COMPRISING 13 ONE BED AND 96 TWO BED APARTMENTS, LANDSCAPING AND ACCESS (RE-SUBMISSION OF PREVIOUS PLANNING APPLICATION N6/2003/940/DE)

    FORMER CRESWICK JMI SCHOOL SITE, HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 9 Feb 2004
  10. Decided - GrantedS6/2006/0654/FP

    ERECTION OF TWO STOREY REAR EXTENSION INCLUDING SUB - BASEMENT, FOLLOWING DEMOLITION OF EXISTING CONSERVATORY AND ALTERATIONS TO DORMER ROOFS

    86 Tolmers Road Cuffley Potters Bar EN6 4JY

    Received 19 May 2006
  11. Decided - Withdrawn6/2025/1257/LB

    Erection of single storey extension following removal of garage and outbuilding

    Ayot Farm Bibbs Hall Lane Ayot St Lawrence AL6 9BY

    Received 18 Jun 2025
  12. Decided - GrantedW6/2008/0485/EM

    ERECTION OF REAR CONSERVATORY AND SINGLE STOREY SIDE EXTENSION

    111 INGLES, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7HF

    Received 4 Mar 2008
  13. Decided - Granted6/2025/1609/TPO

    TPO 715 Overall crown reduction of large oak tree near house covered by TPO - reduce branches back by 1.5-2m from branch tips, which is back to the previous cuts, to manage the size of the tree for its location.

    6 Mary Proud Court Oak Piece Welwyn AL6 0XG

    Received 28 Jul 2025
  14. Decided - GrantedS6/2007/1213/FP

    ERECTION OF A DETACHED GARAGE FOLLOWING DEMOLITION OF EXISTING GARAGE

    11 Brickfield Hatfield AL10 8TN

    Received 10 Aug 2007
  15. Decided - Granted6/2020/0825/FULL

    Erection of office building following demolition of existing office building, with ancillary car parking, cycle storage, external hardstanding and soft landscaping, and the retention of existing ancillary storage buildings

    Groundwork East Mill Green Hertford Road Hatfield AL9 5PE

    Received 1 Apr 2020
  16. Decided - GrantedN6/2013/1334/FP

    Erection of rear conservatory

    109 Parkway, Welwyn Garden City, AL8 6JD

    Received 25 Jun 2013
  17. Decided - Granted6/2021/3434/HOUSE

    Erection of a front porch.

    41 Hawbush Rise Welwyn AL6 9PR

    Received 8 Dec 2021
  18. Decided - Granted6/2016/2233/COND

    Approval of details reserved by condition 2 (Scheme of Landscaping to be Submitted and Agreed) on planning permission S6/2015/1233/FP and condition 3 (Scheme of Landscaping to be Submitted and Agreed) on planning permission S6/2015/1327/FP

    31 Maryland, Hatfield, AL10 8DY

    Received 25 Oct 2016
  19. Decided - Refused6/2018/2368/EM

    Formation of front vehicle crossover and hardstanding

    6 High Oaks Road Welwyn Garden City AL8 7BH

    Received 14 Sept 2018
  20. Decided - Granted6/2023/1041/TPO

    T1 - 1 x Beech (right side) to reduce by approximately 3m in height, to reduce width by approximately 2m and raise canopy to 4m above ground level T2 - 1 x Beech (left side) to reduce by 3m in height, 2m in width, encroaching largely in to the garden to the left. Both trees are growing excessively over neighbouring properties T3 - 1 x Beech (centre) to dismantle in sections to ground level and remove a truncated semi dead stem. It prevents the owner from installing a secure boundary fence

    6 Scarff Close Welwyn Hertfordshire AL6 0SZ

    Received 17 May 2023
  21. DecidedW6/2014/1774/TE

    Cut back and reduce Ash tree to 3m

    26 Pentley Park, Welwyn Garden City, AL8 7SB

    Received 1 Aug 2014
  22. Decided6/2018/1314/TPO

    Prune Acer tree by up to 50% - Conservation Area

    19 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 11 May 2018
  23. Decided - GrantedN6/2009/1378/DS

    DISCHARGE OF CONDITION 3 (LANDSCAPING DETAILS) FROM PLANNING PERMISSION N6/2009/0252/FP

    8 The Limberlost Welwyn AL6 9TS

    Received 29 Jun 2009
  24. Decided - Withdrawn6/2022/1491/TC

    T1-Silver Birch-Fell to ground level as it has outgrown its position as there is a new fence being erected.

    4 Pentley Park Welwyn Garden City AL8 7RU

    Received 27 Jun 2022

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