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

21,658Searchable applications

297Recorded as pending

86%Approval rate · 17,543 approved or refused records

2,493Refused applications

15,050 approved · 2,493 refused · 1,108 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 building Local plan Our Local Plan Pre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation Area Article 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

Decided - Granted6/2025/1580/HOUSE
Erection of a single storey rear extension and alterations to fenestration
70 Rowans Welwyn Garden City AL7 1PD
Received 22 Jul 2025
Decided - Granted6/2023/1079/COND
Submission of details pursuant of condition 10 (Landscape and Ecology Management Plan) attached to planning application 6/2022/2249VAR (a variation of application ref: 6/2021/2125/MAJ)
Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF
Received 22 May 2023
Decided6/2023/0684/TC
T1 Apple tree - to reduce height and width by 50%
18 Pondcroft Welwyn Garden City AL7 3XJ
Received 27 Mar 2023
Decided - Granted6/2020/0250/COND
Submission of details pursuant to condition 3 (openings) on planning permission 6/2019/1372/LB
Abdale House Warrengate Road North Mymms Hatfield AL9 7TT
Received 29 Jan 2020
Decided - Granted6/2018/2922/PN8
Prior approval for the erection of single storey rear extension measuring 6m in depth, 3m in height and 2.5m to the eaves
47 Woodhall Lane Welwyn Garden City AL7 3TB
Received 13 Nov 2018
Under Consideration6/2025/2372/FULL
Change of Use from Bakery (Class E) to Dog Grooming Academy (Sui Generis) and Associated Shopfront Alterations
29 Bradmore Green Brookmans Park AL9 7QR
Received 11 Nov 2025
Appeal Decided - Dismissed6/2019/2229/HOUSE
Erection of poolhouse
West End Farm West End Lane Essendon Hatfield AL9 6AZ
Received 9 Sept 2019
Decided - Granted6/2023/1171/EMT
1x Crab apple - Removal of dead tree in rear garden
5 Densley Close Welwyn Garden City AL8 7JX
Received 2 Jun 2023
Decided6/2026/0837/TC
1 x Cherry to remove to ground level. Removing due to ongoing decline and low vigour
16 Pitsfield Welwyn Garden City AL8 7SJ
Received 12 May 2026
Decided - Granted6/2019/2724/TPO
Reduce crown of 2 x Birch trees ( TPO 818 2018 T1 & T2) by 4m in height and 3m in width
36 School Lane Welwyn AL6 9PH
Received 22 Oct 2019
Decided - Granted6/2025/0609/HOUSE
Erection of single storey front extension, conversion of garage into a games room and alterations to fenestration
23 The Ridgeway Cuffley Potters Bar EN6 4BB
Received 31 Mar 2025
Decided6/2018/0896/TPO
Fell 1 x Apple tree (T1), 1 x Conifer tree (T2) and 1 x Cherry tree (T3) to ground level - conservation area
32 Brockswood Lane Welwyn Garden City AL8 7BG
Received 5 Apr 2018
Decided - Granted6/2025/1098/EMT
Removal of Holly Tree
22 Russellcroft Road Welwyn Garden City AL8 6QU
Received 9 Jun 2025
Decided - Granted6/2022/0288/MAJ
Construction of High Bay Storage Warehouse over existing buildings
Brownfields Mill 45-55 Brownfields Welwyn Garden City AL7 1AN
Received 8 Feb 2022
Decided - Granted6/2022/1531/EMT
Removal of sycamore to ground level and reduce line of trees (unknown species) to 3 metres above ground level
39 High Oaks Road Welwyn Garden City AL8 7BT
Received 30 Jun 2022
Decided6/2021/2996/TC
1 x Beech to remove 2 x low limbs (see pic) over driveway, trees causing birds to leave lots of bird poo on cars parked below.
10 Mannicotts Welwyn Garden City AL8 7BW
Received 19 Oct 2021
Decided - Withdrawn6/2020/1825/EM
Placement/erection of metal bicycle store to rear of allocated car park to flats.
41 Parkway Gardens Welwyn Garden City AL8 6JW
Received 23 Jul 2020
Decided - Withdrawn6/2023/0548/FULL
Erection of single storey side extension
8 Adele Avenue Digswell Welwyn AL6 0AU
Received 10 Mar 2023
Decided - Granted6/2021/0333/EMT
Reduce 1 x maple tree by 30%
23 Elmwood Welwyn Garden City AL8 6LD
Received 3 Feb 2021
Decided - Withdrawn6/2016/2536/EM
Reduce 2 Red Oak trees by upto 30%
6 Brockett Close Welwyn Garden City AL8 7BN
Received 28 Nov 2016
Decided - Granted6/2020/2536/LAWP
Certificate of lawfulness for the erection of a loft extension
22 Raymonds Plain Welwyn Garden City AL7 4TF
Received 1 Oct 2020
Decided - Granted6/2026/1194/EM
(Retrospective) Installation of an electric vehicle charging point on the side elevation of the garage
10 Walden Road, Welwyn Garden City, AL8 7PF
Received 9 Jul 2026
Decided - Withdrawn6/2018/1203/LAWP
Certificate of lawfulness for installation of double window
5 Great Ley Welwyn Garden City AL7 4TJ
Received 3 May 2018
Decided - Granted6/2025/0303/EM
Erection of a side extension
82 Broadwater Crescent Welwyn Garden City AL7 3TU
Received 18 Feb 2025

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.
UK research
Published 16 Jul 2026Updated 13 Sept 2026
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 6 Aug 2026Updated 13 Sept 2026
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 13 Aug 2026Updated 13 Sept 2026

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