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

17,409Searchable applications

298Recorded as pending

86%Approval rate · 14,029 approved or refused records

1,929Refused applications

12,100 approved · 1,929 refused · 880 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Granted6/2025/1771/COND
Submission of details pursuant to condition 14i (Details of sound insulation and attenuation measures) on planning permission 6/2015/2213/MAJ
Rank Xerox Ltd Bessemer Road Welwyn Garden City AL7 1HE
Received 20 Aug 2025
Decided6/2019/2074/TC
Crown Reduction 1x Oak Tree by 25% Replace 1x Holly Tree with Birch Tree
1 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 20 Aug 2019
Decided - Granted6/2019/1139/HOUSE
Installation of roof light and front window to facilitate garage conversion
1 Wellcroft Close Welwyn Garden City AL7 3JZ
Received 10 May 2019
Decided - Granted6/2019/0619/LAWP
Certificate of lawfulness for the replacing of existing hedge with a wooden fence
17 Glebe Cottages Essendon Hatfield AL9 6HQ
Received 13 Mar 2019
Decided6/2025/0807/TC
Works involve digging a trench to install a root barrier; the excavation will sever roots of the tree T1 to the front of the property but this work is not expected to materially harm the tree. The location, depth & length are as described in the method statement. Reason for the works is the subsidence to the property
28 Barleycroft Road Welwyn Garden City AL8 6JU
Received 29 Apr 2025
Decided6/2021/0678/TPO
Reduce 2 x Silver Birch by 2m in height & 1m in width, fell 1 x Scots Pine tree to 1m above ground level covered by conservation area
23 Parkside Welwyn AL6 9DQ
Received 2 Mar 2021
Decided - Granted6/2018/3204/FULL
Erection of marquee and creation of external door openings to Bothies building
The Bothies and Walled Garden, North Mymms Park, North Mymms, AL9 7TR
Received 17 Dec 2018
Decided - Granted6/2025/2525/EMT
T1 Fell 1 x Hawthorn. T4 Remove 1 x Hornbeam hedge and replace with yew hedge. T2 Fell 1 x Crab apple tree. T3 Fell 1 x Hazel tree.
7 Sherrardspark Road, Welwyn Garden City, AL8 7JW
Received 5 Dec 2025
Decided6/2021/0937/TC
Reduce 1 x Fir by 50% Reduce 1 x Cherry by 50%
24 Marsden Green Welwyn Garden City AL8 6YA
Received 23 Mar 2021
Decided - Refused6/2022/0583/LAWP
Certificate of lawfulness for two single storey side extensions
Coverack 50 The Ridgeway Cuffley Potters Bar Hertfordshire EN6 4BA
Received 14 Mar 2022
Decided - Granted6/2019/2815/TPO
Reduce 1x Oak tree (T1) to 10.2m height and 9.2m spread (TPO 988)
27 Willow Way Hatfield AL10 9QD
Received 7 Nov 2019
Decided - Granted6/2021/1747/PN8
Prior approval for the erection of a single storey rear extension
10 Little Ganett Welwyn Garden City AL7 3DG
Received 3 Jun 2021
Decided - Granted6/2022/1933/COND
Submission of details pursuant of condition 6 (photovoltaic panels and electric vehicle charging points) on planning permission 6/2022/1283/VAR
34 Vineyards Road Northaw Potters Bar EN6 4PA
Received 18 Aug 2022
Decided6/2022/0149/TC
3 x Lawson Cypress to fell to ground level.
6 Handside Close Welwyn Garden City AL8 6SR
Received 20 Jan 2022
Decided - Granted6/2025/1438/HOUSE
Erection of single storey rear extension following demolition of existing conservatory
30 Osborne Road Little Heath Potters Bar EN6 1SF
Received 7 Jul 2025
Decided - Refused6/2025/2256/HOUSE
Reduction in height of the existing retaining boundary wall and alteration to and extending the garden boundary fencing.
4 The Chase Welwyn AL6 0QT
Received 23 Oct 2025
Decided - Granted6/2026/1053/EM
Front garden alterations
22 Ravenfield Road Welwyn Garden City AL7 3UE
Received 17 Jun 2026
Decided - Granted6/2021/3123/EMT
Reduction of Hornbeam, oak, silver birch and cherry tree by 33% and removal of beech tree
1 Barleycroft Green, Welwyn Garden City, AL8 6JY
Received 2 Nov 2021
Decided - Granted6/2021/2390/HOUSE
Conversion of roof space to habitable use to include 2 x rear dormers with juliet balcony including raising of roof ridge by 400mm
56 Mymms Drive Hatfield AL9 7AF
Received 13 Aug 2021
Decided - Granted6/2025/0298/EMT
1 x Lawson cypress tree in decline, remove to near ground level.
8 Guessens Road Welwyn Garden City AL8 6QR
Received 18 Feb 2025
Decided - Granted6/2023/1981/EMT
Reduce 1 x Silver Birch by 50%
20 Birdcroft Road Welwyn Garden City AL8 6EQ
Received 26 Sept 2023
Decided6/2022/0599/TC
Reduce 1 x Hawthorn tree to ground level. The tree is compromised from storm damage
24 Rooks Hill Welwyn Garden City Hertfordshire AL8 6ET
Received 14 Mar 2022
Decided - Granted6/2023/1120/COND
Submission of details pursuant to Condition1 (Tree Protection Plan & Aboricultural Method Statement) on planning permission 6/2022/2359/FULL
Timber Yard Coopers Lane Northaw Potters Bar EN6 4NE
Received 25 May 2023
Decided6/2024/0475/PN33
Change of use from commercial, business and service (Class E) to dwellinghouses (Class C3) residential use to form one dwelling
22A London Road Woolmer Green SG3 6JP
Received 9 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.
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