England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
21,605Searchable applications
297Recorded as pending
86%Approval rate · 17,496 approved or refused records
2,485Refused applications

15,011 approved · 2,485 refused · 1,106 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/3131/EM

    Erection of gravel driveway involving removal of grass section, concrete pad and path to the front of dwelling

    13 Cloverfield Welwyn Garden City AL7 1EG

    Received 1 Nov 2021
  2. Decided - Granted6/2019/0250/EM

    Reduce 1x Beech tree by 30%

    21 Birdcroft Road Welwyn Garden City AL8 6EH

    Received 3 Feb 2019
  3. Decided - Granted6/2024/1276/EM

    Installation of heat pump to replace existing central heating

    60 Bushey Ley Welwyn Garden City AL7 3HN

    Received 5 Jul 2024
  4. Decided - Withdrawn6/2024/1980/HOUSE

    Proposed loft conversion with rear dormer and alterations to the fenestation within the rear elevation

    13 Rickfield Close Hatfield AL10 8RP

    Received 15 Oct 2024
  5. Decided - Granted6/2024/0424/HOUSE

    Erection of a single storey rear and side extension

    58 Deerswood Avenue Hatfield AL10 8SA

    Received 4 Mar 2024
  6. Decided - Granted6/2021/1900/HOUSE

    Erection of a single storey side and rear extension, loft conversion with front, side and rear dormers, front rooflights and rear terrace.

    4 Plough Hill Cuffley Potters Bar EN6 4DR

    Received 22 Jun 2021
  7. Decided - Granted6/2019/2369/VAR

    Variation of condition 1 (materials) on planning permission 6/2019/0531/HOUSE

    25 Great North Road Welwyn Garden City AL8 7TH

    Received 25 Sept 2019
  8. Decided - Granted6/2025/2191/EMT

    2 x Silver birch in rear garden to crown reduce by 25% to take back to previous pruning points.

    7 East Mead Welwyn Garden City AL7 4RR

    Received 14 Oct 2025
  9. Decided - Withdrawn6/2021/3513/EM

    Tarmacing and paving on council land/outside of property boundry lines

    34 Rosedale Welwyn Garden City AL7 1DR

    Received 13 Dec 2021
  10. Decided - Granted6/2020/2249/HOUSE

    Erection of single storey rear extension

    46 Birchwood Close Hatfield AL10 0PP

    Received 2 Sept 2020
  11. Decided - Withdrawn6/2018/2629/EM

    Reduce 3 x Maple trees by 10-12 feet and 1 x Birch tree by 8 feet

    8 Stonemead Welwyn Garden City AL8 7LX

    Received 12 Oct 2018
  12. Decided - Granted6/2025/0658/EMT

    1 x Holly Reduce by 5m in height 1 x Monkey Puzzle covered by TPO 352 - removal of 6 lower branches, dead branches and new growth (epicormic) on trunk

    4 Sherrardspark Road, Welwyn Garden City, AL8 7JP

    Received 4 Apr 2025
  13. Decided - Granted6/2025/1849/MAJ

    Refurbishment of the existing building, reconfiguration of car park including construction of new single level car deck, car preparation building and used car display canopy. MOT testing to be retained on site

    1 Hatfield Avenue Hatfield AL10 9UA

    Received 29 Aug 2025
  14. Decided - Withdrawn6/2015/2081/EM

    DD Application - Removal of Two diseased branches from May tree.

    16 Coneydale, Welwyn Garden City, AL8 7RZ

    Received 7 Oct 2015
  15. Decided - Granted6/2022/0796/EM

    Replacement of damaged roof tiles/clay pantiles - like for like. Replacement of cast iron gutters and downpipes with black plastic. Replacement lead work around the chimney stack, Dormer window cheeks and dormer roofs as required. Addition of chimney cowls.

    17 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 31 Mar 2022
  16. Decided - Granted6/2018/0746/TPO

    Fell and replace 2 x Scots Pine trees (T1) covered by TPO 823 (2018)

    Wendover Lodge 11A Church Street Welwyn AL6 9LR

    Received 16 Mar 2018
  17. Decided - Refused6/2018/3017/LAWP

    Certificate of lawfulness for the erection of a rear extension

    5 Lindbergh Welwyn Garden City AL7 2NQ

    Received 22 Nov 2018
  18. Decided - Granted6/2021/3293/TPO

    T1 Lime - To repollard back to previous points. The tree is touching the neighbour's house and has outgrown it's position.

    51 Parkway Welwyn Garden City AL8 6JQ

    Received 19 Nov 2021
  19. Decided - Granted6/2019/0312/EM

    Fell 1 x Oak tree

    3A Hall Grove Welwyn Garden City AL7 4PJ

    Received 12 Feb 2019
  20. Decided - Refused6/2023/1365/COND

    Submission of details pursuant to Condition 4 (hard and soft landscaping details) on planning permission 6/2023/0096/FULL

    104 Brookmans Avenue Brookmans Park AL9 7QQ

    Received 30 Jun 2023
  21. Decided - Granted6/2019/2517/HOUSE

    Erection of a first floor side extension with a single storey supporting wall

    23 East Mead Welwyn Garden City AL7 4RR

    Received 9 Oct 2019
  22. Decided6/2022/1564/TC

    Removal of two large conifers due to size and one prunus amanogawa due to poor condition from rear garden

    13 Beechfield Road Welwyn Garden City AL7 3RG

    Received 4 Jul 2022
  23. Decided - Granted6/2020/0734/COND

    Submission of details pursuant to condition 4 (cycle parking) on planning permission 6/2019/1533/FULL

    Stanborough School Lemsford Lane Welwyn Garden City AL8 6YR

    Received 17 Mar 2020
  24. Decided - Granted6/2018/2383/TPO

    Pollard 1 x Hornbeam tree by 30% covered by TPO 710 (2017)

    5 Oak Piece Welwyn AL6 0XE

    Received 14 Sept 2018

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

View all applications

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