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

39,791Searchable applications

298Recorded as pending

86%Approval rate · 33,361 approved or refused records

4,769Refused applications

28,592 approved · 4,769 refused · 2,177 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/1311/EM
Reduce lateral overhang of Oak by 3-4m
33 Applecroft Road, Welwyn Garden City, AL8 6JZ
Received 29 Jun 2016
Decided - Granted6/2025/1823/EMT
1 x Walnut to reduce by approx 1.5m in height and width
6 Scotts View Welwyn Garden City AL8 6HF
Received 27 Aug 2025
Decided - Granted6/2015/2063/HOUSE
Erection of single storey rear extension
33 Thornton Road, Little Heath, Potters Bar, EN6 1JJ
Received 5 Oct 2015
Decided - GrantedS6/2015/0834/FP
Erection of two storey side and rear extensions and front porch
39 Wellfield Road Hatfield AL10 0BY
Received 16 Apr 2015
Decided - Refused6/2021/1564/HOUSE
Erection of ground floor rear extension, part garage conversion to habitable space and loft conversion with rear dormer
19 Fearnley Road Welwyn Garden City AL8 6HW
Received 17 May 2021
Decided - Granted6/2018/1704/PN3
Prior approval for erection of poly tunnels and provision of a trackway for horticultural purposes
A Brand And Sons Ltd Bulls Lane Hatfield AL9 7BB
Received 22 Jun 2018
Decided - GrantedS6/2008/0714/FP
ERECTION OF SINGLE STOREY FRONT EXTENSION
15 THEOBALD'S ROAD, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4HQ
Received 22 Apr 2008
Appeal Decided - AllowedS6/2007/1813/FP
ERECTION OF A SIDE EXTENSION TO PROVIDE END OF TERRACE DWELLING
48 Birchwood Close Hatfield AL10 0PP
Received 27 Nov 2007
Decided - Withdrawn6/2019/3059/EM
Erection of two storey side extension and single storey rear extension following demolition of existing garage and single storey rear extension with alterations to openings
581 Howlands Welwyn Garden City AL7 4HT
Received 3 Dec 2019
Decided - Granted6/2022/0402/HOUSE
Erection of front porch, single storey side extension, part two storey and single storey rear extension.
42 Hawbush Rise Welwyn AL6 9PP
Received 21 Feb 2022
Decided - GrantedN6/2014/2524/TC
Crown lift to 2m an apple tree and beech tree and fell a Leyland cypress.
61 Moorlands, Welwyn Garden City, AL7 4QJ
Received 19 Nov 2014
Decided - Granted6/2015/1576/TPO
Removal of Mayflower Hawthorn Tree (Conservation Area)
10 Barleycroft Green, Welwyn Garden City, AL8 6JY
Received 3 Aug 2015
Decided - Granted6/2020/1111/COND
Submission of details pursuant to condition 2 (scheme to protect against railway noise) on planning permission 6/2018/2170/FULL
37 Lambs Close Cuffley Potters Bar EN6 4HD
Received 18 May 2020
Decided - Granted6/2019/2059/VAR
Variation of conditions 2 (approved plans) and 3.a (no retained tree or shrub shall be cut down,uprooted or destroyed,nor shall any retained tree or shrub be pruned) on planning permission 6/2018/0647/VAR.
The Orchard House 53 Brockswood Lane Welwyn Garden City AL8 7BU
Received 19 Aug 2019
Decided6/2018/2960/TPO
Crown reduction 1x T1- Robina crown by 2-3m
49 Brockswood Lane Welwyn Garden City AL8 7BU
Received 16 Nov 2018
Decided - Granted6/2023/0236/EM
Installation of solar panels to rear roof of property
6 The Quadrangle Welwyn Garden City AL8 6SG
Received 31 Jan 2023
Decided - Granted6/2020/1622/LB
Brick and flint repairs to the north and west facing parapet wall.
Ayot Farm Bibbs Hall Lane Welwyn AL6 9BY
Received 7 Jul 2020
Decided - WithdrawnC6/1988/1085/FP
Two storey side extension
West End Farm, West End Lane, Hatfield, AL9 6AZ
Received 1 Jan 1988
Decided - Refused6/2016/2383/FULL
Conversion of loft to maisonette including rear dormer and roof lights
4 Station Close Brookmans Park Hatfield AL9 7SU
Received 10 Nov 2016
Decided - Granted6/2018/2044/HOUSE
Conversion of garage to habitable space including alterations to openings
21 The Swallows Welwyn Garden City AL7 1BX
Received 6 Aug 2018
Decided - Granted6/2023/0086/EM
Remove section of the hedge so pathway can be widened to accommodate mobility scooter.
27 Lodgefield, Welwyn Garden City, AL7 1SD
Received 12 Jan 2023
Decided - Granted6/2019/1923/FULL
Extension and alterations to the building to allow it to be converted into a single dwelling house with associated landscaping, hard surfacing and alterations to a section of the existing wall adjacent to the building to create a new gated opening for pedestrian access
The Wood Barn The Estate Yard North Mymms Park North Mymms Hatfield AL9 7TR
Received 6 Aug 2019
Decided - RefusedN6/2008/1375/TE
REMOVAL OF DEAD AND DAMAGED TREE
40 Reddings Welwyn Garden City AL8 7LA
Received 31 Jul 2008
Decided - Granted6/2024/0724/HOUSE
Installation of five solar panels on rear elevation
16 Gooseacre Welwyn Garden City AL7 4NB
Received 18 Apr 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