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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2013/1896/DS

    Discharge of conditions 4 (hard and soft landscaping) of planning permission S6/2008/1358/FP

    3A Highfields Cuffley Potters Bar EN6 4EL

    Received 30 Aug 2013
  2. Decided - Granted6/2025/1935/EM

    Installation of solar panels to rear roof elevation

    122 Haldens Welwyn Garden City AL7 1DG

    Received 9 Sept 2025
  3. Decided - Granted6/2021/0614/COND

    Submission of details pursuant to condition 1 (window details) on planning permission 6/2020/1008/LB

    Mill Green Museum And Mill Mill Green Bush Hall Lane Hatfield AL9 5PD

    Received 25 Feb 2021
  4. Decided - Granted6/2022/1895/EMT

    Prune 2 x Apple trees by 1.2m height & width and remove dead branches

    14 Moorend, Welwyn Garden City, AL7 4QL

    Received 15 Aug 2022
  5. Decided - Granted6/2019/1801/HOUSE

    Erection of a single storey rear extension

    23 Golden Dell Welwyn Garden City AL7 4EE

    Received 22 Jul 2019
  6. Decided - GrantedS6/2014/0610/FP

    Erection of two storey side and single storey rear extensions

    Woodhurst, Cattlegate Road, Northaw, EN2 8AU

    Received 24 Mar 2014
  7. Decided - GrantedW6/2004/1182/EM

    ERECTION OF REAR GARDEN SHED

    9 Great Conduit, Welwyn Garden City, AL7 2DH

    Received 3 Aug 2004
  8. Decided - Withdrawn6/2023/1944/FULL

    Erection of a dwellinghouse following the demolition of an existing house

    57 Great North Road Hatfield AL9 6LA

    Received 20 Sept 2023
  9. Decided - GrantedS6/2015/0024/FP

    Erection of a two storey side extension and construction of hardstanding and boundary fencing.

    1 Welham Manor, Welham Green, Hatfield, AL9 7EL

    Received 9 Jan 2015
  10. Decided - Granted6/2016/0835/EM

    Removal of one Conifer tree and one Norway Maple tree

    42 & 46 Digswell Rise, Welwyn Garden City, AL8 7PW

    Received 3 May 2016
  11. Decided - Granted6/2016/1527/COND

    Approval of details reserved by condition 3 (materials) on planning permission S6/2014/2179/MA

    Land rear of 44-52 Garden Avenue Hatfield AL10 8LN

    Received 25 Jul 2016
  12. Decided - GrantedW6/2008/0727/EM

    ERECTION OF REAR CONSERVATORY

    9 CYPRESS AVENUE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1HN

    Received 25 Apr 2008
  13. Decided - Granted6/2015/2259/EM

    Erection of single storey rear extension

    43 Broomhills, Welwyn Garden City, AL7 1RE

    Received 4 Nov 2015
  14. Decided - Granted6/2020/0992/HOUSE

    Erection of a single storey side extension, a two storey, part first floor side extension and front porch infill extension. Works to also include alterations to fenestration.

    2 Old Forge Close Welwyn AL6 0SR

    Received 1 May 2020
  15. Decided - GrantedN6/2014/0190/TC

    Fell Conifer tree to ground level

    4 Old Forge Close Welwyn AL6 0SR

    Received 29 Jan 2014
  16. Decided - Split6/2019/2537/COND

    Submission of details pursuant to condition 3 (surface water drainage scheme) 4 (material samples) 5 (railway noise protection scheme) and 6 (hard and soft landscaping) on planning permission 6/2019/0771/FULL

    9 Broom Hill Welwyn AL6 0SF

    Received 9 Oct 2019
  17. Decided - Granted6/2021/3534/LAWE

    Use of a dwelling house C3 as a small HMO (Use Class C4)

    12 Goldings Crescent Hatfield AL10 8UE

    Received 22 Dec 2021
  18. Decided - Granted6/2023/2023/EMT

    Fell Ash tree to allow installation of fence

    91 Carve Ley Welwyn Garden City AL7 3HL

    Received 2 Oct 2023
  19. Decided - GrantedS6/2007/0302/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION AND ALTERATIONS TO EXISTING FLAT ROOF.

    9 & 9A NORTHAW ROAD WEST, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NW

    Received 21 Feb 2007
  20. Decided - Refused6/2018/1444/EM

    Formation of permeable asphalt hardstanding including drainage to soak away

    5 Furzefield Road Welwyn Garden City AL7 3RL

    Received 26 May 2018
  21. Decided - Withdrawn6/2017/2516/LB

    Erection of outbuilding for use as games room following the demolition of existing

    Paynes Farm New Road Woolmer Green Knebworth SG3 6LE

    Received 31 Oct 2017
  22. Decided - GrantedW6/2015/0636/EM

    Installation of window

    6 Woodland Rise, Welwyn Garden City, AL8 7LF

    Received 25 Mar 2015
  23. Decided6/2022/2795/TC

    Lime tree x 5 to re pollard back to previous pollard points. Cherry tree-to remove lower branches to lift crown to just above head height; remove dead wood from crown; and remove selected branches to rebalance crown making it more symmetrical. Apple tree x 2 to full crown reduction by 2 metres of growth from height of crowns and 2 metres of growth from side of crowns leaving both crowns nicely symmetrical; and remove water shoots from inner crowns and thin out both crowns by 20% remove crisscrossing and rubbing branches.

    Park Close Park Street Old Hatfield AL9 5AY

    Received 9 Dec 2022
  24. Decided - Granted6/2018/2862/COND

    Submission of details pursuant to condition 3(v) (internal lighting) on planning permission 6/2016/1650/LB

    Great Nast Hyde House Wilkins Green Lane Hatfield AL10 9RB

    Received 7 Nov 2018

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