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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
21,308Searchable applications
298Recorded as pending
86%Approval rate · 17,218 approved or refused records
2,435Refused applications

14,783 approved · 2,435 refused · 1,089 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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. Decided - Granted6/2019/2409/EM

    Reduce 1 x Greengage by 1.5m Reduce 2 x Apple trees by 2.5m

    6 The Lawns Welwyn Garden City AL8 7HU

    Received 30 Sept 2019
  2. Decided - Granted6/2023/0805/HOUSE

    Installation of front dormer, two side dormers to facilitate the conversion of the loft habitable space, erection of rear juliet balcony and rear roof extension

    29 The Meadway Cuffley Potters Bar EN6 4ET

    Received 14 Apr 2023
  3. Decided6/2021/1191/TC

    1 x Silver Birch - fell 1 x Hawthorn - fell 1 x Cherry Blossom - fell

    64 Attimore Road Welwyn Garden City AL8 6LP

    Received 13 Apr 2021
  4. Decided - Refused6/2020/2007/HOUSE

    Erection of a two storey side extension and a single storey side and rear extension

    72 Hazel Grove Hatfield AL10 9DX

    Received 11 Aug 2020
  5. Appeal Decided - Dismissed6/2023/2085/HOUSE

    Erection of car port

    30 Hawkshead Lane North Mymms AL9 7TB

    Received 12 Oct 2023
  6. Decided - Granted6/2024/1727/EM

    Roof replacement. Tiles will be replaced in same colour and in keeping with the current style

    51 Salisbury Road Welwyn Garden City AL7 3RU

    Received 9 Sept 2024
  7. Decided - Granted6/2021/2903/EMT

    Reduce Yew tree crown by 20%

    36 High Oaks Road Welwyn Garden City AL8 7BH

    Received 8 Oct 2021
  8. Decided - Granted6/2022/2313/TPO

    T1 - Oak Tree - Reduce by 30% (3 meters) due to excessive shading T2 - Oak Tree - Reduce by 30% (3 meters) due to excessive shading T3- Chestnut Tree - Reduce by 30% (3 meters) due to excessive shading All trees covered by TPO 640 (2017) G3

    4 The Drive Welwyn AL6 0TR

    Received 4 Oct 2022
  9. Decided - Granted6/2021/1607/EMH

    Erection of a party wall, as a result of a single storey rear extension to no. 4 Little Rivers

    3 Little Rivers Welwyn Garden City AL7 1QJ

    Received 19 May 2021
  10. Decided - Granted6/2019/0873/EM

    Fell T1 1 x Ash Reduce T2 1 x Ash by 2.5m height & 2m width

    2 The Orchard Welwyn Garden City AL8 7PL

    Received 10 Apr 2019
  11. Decided - Granted6/2020/0375/EM

    1 x Hawthorn to reduce by 3m height & width 1 x Ceanothus to fell to ground level

    241 Heronswood Road Welwyn Garden City AL7 3JH

    Received 11 Feb 2020
  12. Decided - Granted6/2025/1013/COND

    Submission of details pursuant of condition 9 (Vehicle Access) on planning permission 6/2024/0105/MAJ

    Land north of The Meadway Cuffley Potters Bar EN6 4ET

    Received 29 May 2025
  13. Decided - Granted6/2021/0367/HOUSE

    Erection of front porch

    29 Glebe Road Welwyn AL6 9PB

    Received 5 Feb 2021
  14. Decided6/2020/1712/TC

    1 x Cherry to front to reduce by 1.5m height & width 1 x Cherry to reduce by 4m height & 2m width to rear.

    149 Parkway Welwyn Garden City AL8 6JB

    Received 14 Jul 2020
  15. Decided - Granted6/2022/2680/EMT

    1 x Hawthorn to fell 1 x Cherry to fell These are young trees at present. New building is going up and will be in the way and cause problems in the future

    45 Fordwich Road Welwyn Garden City AL8 6EY

    Received 24 Nov 2022
  16. Decided - Granted6/2023/1533/HOUSE

    Erection of single storey rear extension following demolition of conservatory, and garage conversion

    21 Parkside Welwyn AL6 9DQ

    Received 24 Jul 2023
  17. Decided - Granted6/2017/1462/EM

    Erection of a first floor side extension

    66 Digswell Park Road, Welwyn Garden City, AL8 7NS

    Received 3 Jul 2017
  18. Decided - Granted6/2020/1428/HOUSE

    Erection of a single storey side and rear extension, to create a shared party wall with No. 4, following demolition of existing rear conservatory and detached garage

    2 Archers Ride Welwyn Garden City AL7 4PS

    Received 19 Jun 2020
  19. Decided - Granted6/2023/1189/HOUSE

    Erection of a single storey rear extension

    33 Peplins Way Brookmans Park Hertfordshire AL9 7UR

    Received 5 Jun 2023
  20. Decided - Granted6/2018/2687/FULL

    Relocation of existing play area within Haldens park.

    Land adjacent to Haldens play area Welwyn Garden City

    Received 22 Oct 2018
  21. Decided - Granted6/2018/0172/EM

    Erection of single storey extension.

    2 Hitherway Welwyn Garden City AL8 7RG

    Received 16 Jan 2018
  22. Decided - Granted6/2025/0833/COND

    Submission of details pursuant to Condition 2 (Landscaping), Condition 5 (Energy Efficiency) and Condition 6 (Bat Roost Mitigation) on planning permission 6/2023/2294/FULL

    3 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 1 May 2025
  23. Decided - Granted6/2021/1204/HOUSE

    Erection of a single storey front, side and rear extensions. Existing roof removed and to be replaced with new re-pitched roof to create first floor accommodation, with rear dormer.

    46 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 14 Apr 2021
  24. Decided - Granted6/2019/0736/COND

    Submission of details pursuant to condition 1 (Hard and Soft Landscaping ) on planning permission 6/2018/1986/FULL

    12 Green Croft Hatfield AL10 0RB

    Received 28 Mar 2019

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

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    Planning application documents: what to read first

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  • 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.

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  • 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.

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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.

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