PlanningTrack
Get started

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28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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. Decided6/2026/1135/TC

    1 x Spruce to reduce southern branches (towards property) by approximately 1.2m from branch tips, full height of the tree

    22 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 30 Jun 2026
  2. Appeal Decided - AllowedN6/2006/0621/TP

    REMOVAL OF BEECH TREE COVERED BY TPO 24 AREA 3

    15 Heath Road Welwyn AL6 0TP

    Received 23 May 2006
  3. Decided - Granted6/2025/0887/EMT

    1 x Yew to reduce by approximately 2-2.5m in height, reduce subsided limbs back to align with natural shape. Cut back width over the footpath by approximately 0.5m.

    9 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 14 May 2025
  4. DecidedN6/2015/0375/DS

    Application for approval of details reserved by condition 5 (scheme of remediation)

    13- 15 Broadwater Road, Welwyn Garden City, AL7 3BQ

    Received 24 Feb 2015
  5. Decided - GrantedN6/2014/2334/LUP

    Erection of single storey side extension

    10 Sharmans Close Digswell Welwyn AL6 0AR

    Received 23 Oct 2014
  6. Decided - GrantedW6/2013/2029/TE

    Remove deadwood and prune branches back on One Oak tree and One Catalpa tree to clear neighbours properties and lift crowns by 3 metres

    Digswell Lodge, 13 Digswell Rise, Welwyn Garden City, AL8 7NU

    Received 12 Sept 2013
  7. Decided - Withdrawn6/2018/2780/PN8

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

    13 Sandpit Road Welwyn Garden City AL7 3TW

    Received 25 Oct 2018
  8. Decided - Granted6/2021/0517/HOUSE

    Erection of low level front garden wall, sliding vehicular access gate and water feature

    39 Mardley Hill Welwyn AL6 0TT

    Received 17 Feb 2021
  9. Decided - RefusedS6/2005/1385/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    24 Bramble Road Hatfield AL10 9SA

    Received 7 Nov 2005
  10. Decided - Granted6/2016/1739/MAJ

    Extension and refurbishment of the Grade II listed building (Use Class C1) following demolition of existing rear and side extensions. Erection of 7,253.7sqm student accommodation (Sui Generis), landscaping and associated works

    Comet Hotel Hatfield St Albans Road West Hatfield AL10 9RH

    Received 23 Aug 2016
  11. Appeal Decided - Dismissed6/2023/2425/FULL

    Change of use of land to residential. Erection of four dwellings with associated access, parking and landscaping. Works to right of way

    Land adjacent to 51 Great North Road Welwyn Garden City AL8 7TJ

    Received 4 Dec 2023
  12. Decided - GrantedN6/2009/2030/TE

    FELLING OF EUCALYPTUS TREE IN REAR GARDEN

    8 PARKFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6ED

    Received 24 Sept 2009
  13. Appeal Decided - Allowed6/2021/2982/PN15

    Prior approval for the installation of a 17.0m Phase 8 Monopole C/W wrapround Cabinet at base and associated ancillary works.

    Howlands The Commons Welwyn Garden City AL7 4SD

    Received 18 Oct 2021
  14. Decided - Granted6/2015/1661/FULL

    Use of existing retail/workshop building for retail use only, including outer perforated steel sheet cladding and introduction of MOT bay and retail element to ground floor of existing bodyshop/workshop building

    174 Great North Road Hatfield AL9 5JN

    Received 5 Aug 2015
  15. Decided - Refused6/2020/0977/LAWP

    Erection of single storey side extension and single storey rear extension

    89 Lemsford Road, Hatfield, AL10 0DZ

    Received 30 Apr 2020
  16. Decided - Granted6/2017/2053/HOUSE

    Erection of single story rear, side & front extensions, Hip to gable roof extension and the installation of rooflights & dormer window for the facilitation of loft conversion

    106A College Lane Hatfield AL10 9PA

    Received 13 Sept 2017
  17. Decided - GrantedS6/2007/0828/FP

    ERECTION OF SIDE AND REAR EXTENSIONS

    27 Mymms Drive Brookmans Park Hatfield AL9 7AE

    Received 8 Jun 2007
  18. Decided - Granted6/2025/1323/EMT

    T61 Ash - Crown reduce by 3m in height and spread. T65 Ash - Remove overhanging limb, growing towards residents' flats.

    Woodside House Welwyn AL8 6UL

    Received 25 Jun 2025
  19. Decided - Granted6/2017/1419/HOUSE

    Erection of two storey side extension and alterations to openings to facilitate garage conversion to habitable space.

    22 Hanyards Lane Cuffley Potters Bar EN6 4AT

    Received 30 Jun 2017
  20. Decided - Granted6/2020/0934/FULL

    Proposed single storey extension to south facing facade of the Forum building for use as a lobby/foyer with enclosed outdoor store and smoking area.

    The Forum University Of Hertfordshire College Lane Hatfield AL10 9AB

    Received 27 Apr 2020
  21. Decided - Granted6/2024/1299/HOUSE

    Erection of a new single storey rear extension with alterations to openings following demolition of existing outbuilding. Driveway extended to provide additional parking

    158 Parkway Welwyn Garden City AL8 6HZ

    Received 9 Jul 2024
  22. Decided - Granted6/2025/1618/TPO

    Fell 1 x Larch (T1) Fell 1 x Ash (T2) Covered by TPO260

    56 New Road Digswell Welwyn AL6 0AH

    Received 28 Jul 2025
  23. Decided - Granted6/2017/1353/HOUSE

    Erection of two storey side and single storey rear extension

    Woodhurst Cattlegate Road Northaw Enfield EN2 8AU

    Received 22 Jun 2017
  24. Decided - GrantedW6/2006/0585/EM

    ERECTION OF REAR TIMBER SHED

    15 Barleycroft Road, Welwyn Garden City, AL8 6JX

    Received 4 May 2006

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Applications by postcode area

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities