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

40,146Searchable applications

300Recorded as pending

86%Approval rate · 33,676 approved or refused records

4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 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 Counts reflect the last collected status; some records may be out of date.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 - WithdrawnS6/2005/0061/OP
OUTLINE APPLICATION FOR RESIDENTAIL DEVELOPMENT OF 0.68 HECTARE SITE WITH MEANS OF ACCESS DETAIL INVOLVING DEMOLITION OF EXISTING SCHOOL BUILDING - APPLICATION 1
HAZEL GROVE JMI SCHOOL, HAZEL GROVE, HATFIELD, HERTFORDSHIRE, AL109DX
Received 13 Jan 2005
Decided - WithdrawnS6/2005/1485/FP
FORMATION OF EXTENSION TO EXISTING CAR PARK
University of Hertfordshire College Lane Hatfield AL10 9AB
Received 1 Dec 2005
Decided - GrantedN6/2013/0077/TC
Removal of lower branch of Oak tree
21 Coneydale, WELWYN GARDEN CITY, AL8 7RX
Received 15 Jan 2013
Decided - Granted6/2023/1923/PN8
Prior approval for the erection of a single storey rear extension measuring 6 metres in depth, 3 metres in height and 3 metres to the eaves
6 Fern Dells Hatfield AL10 9HX
Received 18 Sept 2023
Decided6/2021/1171/TC
Holly tree - 10% reduction to each side and 15% reduction in height Wild damson tree - 30-40% reduction in height and width
38 Welwyn Hall Gardens Welwyn AL6 9LF
Received 12 Apr 2021
Decided6/2020/1676/TC
Fell 1 x Silver Birch Tree [T1] & 20/1347/EMT
43 Turmore Dale Welwyn Garden City AL8 6HT
Received 10 Jul 2020
Decided - Granted6/2023/2106/EMT
Removal of silver birch tree
6 Ashley Close, Welwyn Garden City, AL8 7LH
Received 17 Oct 2023
Decided - GrantedN6/2015/1450/TC
DD Application
21 Guessens Road, Welwyn Garden City, AL8 6QL
Received 6 Jul 2015
Decided - GrantedN6/2013/2049/TC
Reduce Yew tree by 20% and remove 4 branches
7 Barleycroft Green, Welwyn Garden City, AL8 6JY
Received 16 Sept 2013
Decided - Granted6/2019/1074/HOUSE
Erection of a single storey side extension
57 Rosedale Welwyn Garden City AL7 1DP
Received 3 May 2019
Appeal Decided - Allowed6/2021/0079/FULL
Erection of dwelling. Revisions to planning permission 6/2018/0383/FULL (retrospective)
8 Hill Rise Cuffley Potters Bar EN6 4EE
Received 12 Jan 2021
Decided - Granted6/2023/1913/COND
Submission of details pursuant to condition 2 (cycle storage) and condition 3 (refuse and recycling storage) on planning permission 6/2023/1491/FULL
5-6 Bradmore Green Hatfield AL9 7QW
Received 15 Sept 2023
Appeal Decided - AllowedS6/2013/1022/S73A
Removal of condition 6 (curtilage of the residential dwelling) from planning application S6/2002/0857/FP
Forest Hills, Newgate Street Village, Hertford, SG13 8RA
Received 14 May 2013
Decided - GrantedW6/2008/0316/EM
ERECTION OF TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSION
59 MONKSWOOD, WELWYN GARDEN CITY, HERTS, AL8 7EF
Received 18 Feb 2008
Decided - Refused6/2018/1881/FULL
Change of use from offices (B1) to hotel (C1) and erection of single storey rear extension
22 Parkway Welwyn Garden City AL8 6HG
Received 18 Jul 2018
Decided - Granted6/2025/0283/COND
Submission of details pursuant of condition 10 (fire hydrants) and 12 (SAP Calculations) on planning permission 6/2024/2017/MAJ
Land at Oakleigh Farm Codicote Road Welwyn AL6 9TY
Received 18 Feb 2025
Appeal Decided - DismissedN6/2014/0626/FP
Erection of single storey rear extension
73 Meadway, Welwyn Garden City, AL7 4NQ
Received 27 Mar 2014
Decided - Refused6/2017/2173/HOUSE
Erection of two storey side infill and rear extensions and installation of juilette balcony and 3x dormer to facilitate loft conversion following demolition of existing garage
104 Brookside Crescent Cuffley Potters Bar EN6 4QL
Received 26 Sept 2017
Decided - GrantedN6/2009/1953/TE
REMOVAL OF PRUNUS TREE LOCATED IN REAR GARDEN
3 PALMERSTON CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DL
Received 27 Aug 2009
Decided - GrantedN6/2004/1063/FP
ERECTION OF REAR CONSERVATORY
4 Little Rivers Welwyn Garden City AL7 1QJ
Received 13 Jul 2004
Under Consideration6/2025/0767/COND
Submission of details pursuant of condition 6 (Highways Vehicular Access Implementation) on planning permission 6/2021/3436/RM
Land North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ
Received 23 Apr 2025
Decided - GrantedN6/2007/0528/FP
ERECTION OF SINGLE STOREY SIDE EXTENSION WITH FORMATION OF HARDSTANDING.
10 Ingles, Welwyn Garden City, AL8 7HL
Received 30 Mar 2007
Decided - GrantedN6/2008/0589/FP
ERECTION OF GARAGE TO SIDE ELEVATION
110 SLOANSWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1ND
Received 19 Mar 2008
Decided - Granted6/2024/2163/HOUSE
Erection of a single storey rear extension and front porch
39 The Grove Brookmans Park AL9 7RL
Received 8 Nov 2024

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