England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates

33,930Searchable applications

313Recorded as pending

87%Approval rate · 28,389 approved or refused records

3,726Refused applications

24,663 approved · 3,726 refused · 1,766 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 21 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/0383/FULL
Erection of a three storey detached house with a raised patio following demolition of existing dwelling
8 Hill Rise Cuffley Potters Bar EN6 4EE
Received 6 Feb 2018
Decided - RefusedS6/2013/0233/FP
Erection of two storey side and rear extension, single storey rear extension and loft conversion
45 Kentish Lane, Brookmans Park, HATFIELD, AL9 6NG
Received 31 Jan 2013
Decided - Withdrawn6/2020/0919/FULL
Installation of a 5m high acoustic fence
20 Black Fan Road Welwyn Garden City AL7 1QA
Received 23 Apr 2020
Decided - Granted6/2016/1865/EM
Removal of Silver Birch tree
13 Beehive Lane, Welwyn Garden City, AL7 4BB
Received 9 Sept 2016
Decided - Granted6/2025/0837/COND
Submission of details pursuant to condition number 1 (landscaping), 2 (materials samples), 3 (noise), 4 (energy efficiency), 5 (refuse and recycling), 6 (cycle parking), 8 (external lighting), on planning permission 6/2023/2339/FULL
6 Stanborough Cottages Great North Road Welwyn Garden City AL8 7TE
Received 1 May 2025
Decided - Granted6/2022/0948/HOUSE
Removal of garage door and Installation of window and installation of new hardstanding for additional parking space.
2 Purdom Road Welwyn Garden City Hertfordshire AL7 4FH
Received 21 Apr 2022
Decided - Granted6/2024/0001/HOUSE
Enclosure of existing open porch, replacement of patio door with single door and window
4 Fallowfield Welwyn Garden City AL7 1EE
Received 2 Jan 2024
Decided - Granted6/2017/0967/EM
Reduce 2 x Maple trees by 25% and reduce 7 x Conifer trees by 40% plus removal of Conifer hedge
8 Little Dell Welwyn Garden City AL8 7HZ
Received 8 May 2017
Decided - Granted6/2023/0607/COND
Submission of details pursuant to condition number 1 (Arboricultural Method Statement & Tree Protection Plan) on planning permission 6/2022/2406/HOUSE
10 Brookmans Avenue Brookmans Park AL9 7QJ
Received 17 Mar 2023
Decided - Granted6/2020/2435/LAWP
Certificate of lawfulness for ground floor side windows, additions and alterations to the roof including a hip-to-gable enlargement, dormers, rooflights and 'Juliet' balcony
3 South Drive Cuffley Potters Bar EN6 4HP
Received 23 Sept 2020
Decided - Granted6/2016/0592/MAJ
Alterations to car park to amend layout and relocate an existing trolley shelter
ASDA, 98 Town Centre, Hatfield, AL10 0JW
Received 5 Apr 2016
Decided - Refused6/2021/0744/LAWP
Certificate of lawfulness for the erection of an outbuilding in the garden to replace the existing shed
26 Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 8 Mar 2021
Decided - Granted6/2026/1348/EMT
Fell dying Oak Tree
1 Thistle Grove Welwyn Garden City AL7 4AB
Received 31 Jul 2026
Decided - GrantedW6/2013/1804/TE
Remove first diseased trunk and reduce remaining trunk by 25% and fell diseased Cherry tree
11 Meadow Green, WELWYN GARDEN CITY, AL8 6SS
Received 20 Aug 2013
Decided - Refused6/2019/1443/HOUSE
Erection of rear conservatory to the rear of existing single storey rear extension
49 Briars Wood Hatfield AL10 8DH
Received 14 Jun 2019
Decided6/2020/2117/INT
Pavement Licence
Bills, 32 Howardsgate, Welwyn Garden City AL8 6BJ
Received 13 Aug 2020
Decided - Granted6/2017/2778/HOUSE
Erection of First Floor Side Extension and Single Storey Rear Extension.
12 North Ride Welwyn AL6 9RD
Received 28 Nov 2017
Decided - GrantedW6/2013/0639/EM
Alterations to window sizes and positions on side and rear elevations. Front elevation wall on extension to be set back 500m from existing front elevation wall
8 Valley Road Welwyn Garden City AL8 7DF
Received 27 Mar 2013
Decided - Granted6/2024/0414/EM
Replacement of existing white front door, door frame and uPVC windows with a white composite front door and frame and uPVC windows on a ‘like-for-like’ basis
9 Pinewood Welwyn Garden City AL7 3TL
Received 4 Mar 2024
Decided - Granted6/2017/1944/EM
Erection of outbuilding in rear garden, following demolitian of current shed.
111 Ingles Welwyn Garden City AL8 7HF
Received 31 Aug 2017
Decided - Refused6/2021/1500/COND
Submission of details pursuant to condition 3 (Landscape Management Plan), on planning permission S6/2013/323/DE
Former Depot, Mount Pleasant Lane, Hatfield, AL9 5BY
Received 11 May 2021
Decided - Granted6/2022/2654/COND
Submission of details pursuant to condition 1 (materials) and condition 2 (tree protection plan) on planning permission 6/2021/2466/FULL.
Scout Hut Northaw Road West Northaw
Received 22 Nov 2022
Decided - Granted6/2024/0244/EM
Replacement of dead/infested brown street-facing hedge with new green hedging
1 Great Break Welwyn Garden City AL7 3EZ
Received 6 Feb 2024
Decided - Granted6/2023/2145/TPO
T3 (3488) Wellingtonia - Longitudinal crack at 17m with little supporting wood, creating weak point - reduce height only by 7 metres. G7 (346) Wellingtonia - Low vitality, in significant decline and almost dead - fell to ground level. TPO 450 (2010)
The Frythe Frythe Avenue Welwyn AL6 9GG
Received 20 Oct 2023

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

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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