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
18,454Searchable applications
298Recorded as pending
86%Approval rate · 14,874 approved or refused records
2,055Refused applications

12,819 approved · 2,055 refused · 934 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2020/0932/TC

    Fell 1 x Lawson Cypress Tree

    53 Parkway Welwyn Garden City AL8 6JF

    Received 24 Apr 2020
  2. Decided - Granted6/2023/1319/EMT

    To reduce Philadelphus by 1.5m in height to maintain size and shape for space 1 x Holly to fell to ground level, this is too close to the property. Rear garden Rear plum hedge to reduce by approximately 50% in height (top of chimney). Remove dead stems from hedge row. This is excessively outgrown and unmanageable Lawson cypress hedge to cut to ground level - This has lost the ability to be maintained and is now in decline.

    35 Crossway, Welwyn Garden City, AL8 7ED

    Received 26 Jun 2023
  3. Decided - Granted6/2025/0474/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    33 Burleigh Way Cuffley Potters Bar EN6 4LG

    Received 13 Mar 2025
  4. Decided - Refused6/2020/1550/HOUSE

    Erection of a replacement garage with a pitched roof which would provide office accommodation for working from home

    8 Willow Walk Welwyn AL6 9SQ

    Received 30 Jun 2020
  5. Decided - Granted6/2021/2277/TPO

    Copper Beech (T1) to reduce 2-3m in height, reduce sides by 1.5-2m and crown lift to 5.2m over highway and drive and remainder of crown up to 5.2m

    4 Wendover Drive Welwyn AL6 9LT

    Received 29 Jul 2021
  6. Decided - Granted6/2020/1552/TPO

    Reduce crown 1x Hornbeam Tree by 1.5m and 1m radial reduction Reduce crown 1x Oak Tree 1.5m and 1m radial reduction

    6 Copper Beeches Welwyn AL6 0SS

    Received 30 Jun 2020
  7. Decided - Granted6/2022/2626/EMT

    T1 - 1 x Apple to reduce by approximately 1.2m in height and width. Thin growth from old knuckles by approximately 15% T2 - 1 x Apple to reduce by approximately 1.2m in height and 1.5m on width over neighbouring garden. Thin growth from old knuckles by approximately 15%

    15 Moorend Welwyn Garden City AL7 4QL

    Received 17 Nov 2022
  8. Decided - Granted6/2019/2265/EM

    Fell 1 x Cherry Tree Fell 2 x Trees (species unknown) Remove 1 x Hedge and replace with fence

    3 Fearnley Road Welwyn Garden City AL8 6HW

    Received 12 Sept 2019
  9. Decided - Refused6/2025/1794/FULL

    Conversion of existing C3 Garage into E1 use, as a hair salon and conversion of shed to WC

    Garage at 41a Goldings Crescent AL10 8UB associated with 11 Link Walk

    Received 22 Aug 2025
  10. Decided - Granted6/2023/1535/EMT

    Removal of the dead branch from a tree (as indicated on the tree location plan).

    9 Stonemead, Welwyn Garden City, AL8 7LX

    Received 24 Jul 2023
  11. Decided - Granted6/2021/0885/EMH

    Resurfacing of existing hard standing

    31 Furzefield Road Welwyn Garden City AL7 3RL

    Received 18 Mar 2021
  12. Decided - Granted6/2022/0933/EM

    Re-arrangement of external wall

    36 Coltsfoot Welwyn Garden City AL7 3HZ

    Received 20 Apr 2022
  13. Decided - Granted6/2019/1401/LB

    External refurbishment including: part repair / part replacement of windows, installation of secondary glazing, rainwater goods refurbishment, soffit and fascia replacement, balconies refurbishment, canopies refurbishment, ground floor external hallway timber doors and panels decoration

    82-102, 83-103,104-124 and 105-125 Knightsfield Welwyn Garden City AL8 7HB

    Received 6 Jun 2019
  14. Decided - Granted6/2023/0675/COND

    Submission of details pursuant to condition 17 (Car plan showing disabled parking) on planning permission 6/2021/1987/VAR

    1 Town Centre Hatfield AL10 0JZ

    Received 27 Mar 2023
  15. Decided - Granted6/2019/2766/EM

    Erection of a first floor side extension with installation of 1 x roof light

    10 Graysfield Welwyn Garden City AL7 4BL

    Received 1 Nov 2019
  16. Decided - Granted6/2024/2111/HOUSE

    Erection of a single storey rear extension and installation of rooflight following the demolition of existing conservatory

    14 Wood View Cuffley Potters Bar EN6 4RE

    Received 1 Nov 2024
  17. Decided - Granted6/2024/2417/EM

    Single storey rear extension

    7 Stacklands Welwyn Garden City AL8 6XW

    Received 23 Dec 2024
  18. Decided - Granted6/2025/1895/HOUSE

    Erection of single storey side and rear extension and installation of juliet doors with pitched roof over on the first floor rear elevation of the dwelling.

    57 Mulberry Mead Hatfield AL10 9EH

    Received 4 Sept 2025
  19. Decided - Granted6/2024/1679/HOUSE

    Erection of a garden shed following the demolition of existing shed

    38 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 2 Sept 2024
  20. Decided - Granted6/2024/2002/EMT

    Reduce Robinia by 25%

    12 The Valley Green Welwyn Garden City AL8 7DQ

    Received 17 Oct 2024
  21. Decided - Granted6/2023/0632/TPO

    TPO556 (2016) G1: Crown Reduction of 0.5-1.5 metre and removal of Dead Wood and Dieback to 3 Yew trees shown as T1-3 on the plan. G2: Crown Reduction of 1-2 metres and removal of Dead Wood and Dieback to Alders, Swamp Cypress, and Sycamore shown as T4-10 on the plan

    16 The Green Welwyn AL6 9EA

    Received 21 Mar 2023
  22. Decided - Granted6/2020/3428/FULL

    Erection of ground floor rear extensions to fill up existing adjoining infill area within the curtilage of two attached houses.

    17, 19 Elm Gardens Welwyn Garden City AL8 6RX

    Received 22 Dec 2020
  23. Decided - Granted6/2021/2979/COND

    Submisson of details pursuant to condition 7 (external lighting scheme) and condition 8 (details of cycle stores) on planning application 6/2020/1251/FULL

    Primrose Cottage Kentish Lane Hatfield AL9 6EE

    Received 18 Oct 2021
  24. Decided - Granted6/2024/0555/HOUSE

    Single storey front extension to integral garage with dormer in roof over pitched roof with raised ridge and two rooflights added into rear pitched roof

    4 Whetstone Court Whetstone Close Welwyn AL6 0QY

    Received 20 Mar 2024

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