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

40,297Searchable applications

283Recorded as pending

86%Approval rate · 33,821 approved or refused records

4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2013/1098/TE
Removal of diseased Willow tree
71 Beehive Lane, WELWYN GARDEN CITY, AL7 4BN
Received 29 May 2013
Decided6/2020/2870/TC
Removal of a dead conifer tree.
54 Sherrardspark Road Welwyn Garden City AL8 7LB
Received 3 Nov 2020
Decided - Granted6/2023/0114/COND
Submission of details pursuant to condition 4 (Noise) on planning permission 6/2018/2611/FULL
265 Knella Road Welwyn Garden City AL7 3NS
Received 17 Jan 2023
Decided - GrantedW6/2008/1384/EM
ERECTION OF SINGLE STOREY REAR EXTENSION
544 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4ET
Received 7 Aug 2008
Decided - Granted6/2024/1566/HOUSE
Alterations and extension to existing outbuilding including installation of new air conditioning unit
26 Dellcott Close Welwyn Garden City AL8 7BD
Received 16 Aug 2024
Decided - Granted6/2022/2759/FULL
Erection of two industrial units for light industrial processes (E(g)(iii)) / general industrial (B2) / storage & distribution purposes (B8) and ancillary office space, with associated parking, access and supporting infrastructure
Plot 5610 Gypsy Moth Avenue Hatfield AL10 9BS
Received 5 Dec 2022
Decided - Refused6/2026/0555/COND
Submission of details pursuant to Condition 9 (Management and maintenance plan for the SuDS features and drainage network) on planning permission 6/2023/1352/VAR
Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD
Received 26 Mar 2026
Decided - Granted6/2026/0088/COND
Submission of details pursuant to condition number 1 (Arboricultural Method Statement and Tree Protection Strategy) on planning permission 6/2025/1028/HOUSE
18 Oaklands Rise Welwyn AL6 0RN
Received 20 Jan 2026
Decided - Granted6/2018/0965/COND
Submission of details pursuant to conditions 3 (hard and soft landscaping) and 7 (scheme for protecting occupiers from noise) on planning permission S6/2011/0678/S73B, dated 02/06/2011
Brookmans Manor 2 Georges Wood Road Brookmans Park Hatfield AL9 7BZ
Received 12 Apr 2018
Decided - Granted6/2024/2161/TPO
Beech to reduce height by 1 metre and thin by 20%, and reduce lateral growth by 1-1.5 metres towards house (covered by TPO 653 T1)
49 Canonsfield Road Welwyn AL6 0PY
Received 8 Nov 2024
Decided - GrantedN6/2009/2411/TE
TO REDUCE CROWN OF SYCAMORE BY ONE THIRD
6 HANDSIDE GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SQ
Received 6 Nov 2009
Decided - Refused6/2020/0163/HOUSE
Erection of a single storey, part two storey rear extension and alterations to openings
105 Ludwick Way Welwyn Garden City AL7 3PL
Received 23 Jan 2020
Decided - GrantedS6/2013/0105/FP
Extension to front porch
10 Travellers Lane, HATFIELD, AL10 8SF
Received 17 Jan 2013
Decided6/2024/0220/TC
T1 - Lime - On boundary - Growing at an angle - Would like to crown reduce removing up to 2.5m T2 - Lime - On boundary - Over extended branches - Would like to crown reduce to balance removing up to 2.5m T3 - Lime - On boundary - Would like to crown reduce removing up to 2.5m and remove moderate deadwood G1 - Ash group, small 3 or 4 - On boundary - Would like to fell T4 - Oak - Garden - Would like to remove deadwood G2 - Mixed group approx 12, Ash, Yew, Hornbeam, Beech, Oak - Front grounds - Hornbeam and Ash have grown together, concerns of a weak point - Would like to remove Hornbeam and Ash and any deadwood over target areas
Asquith House Guessens Road Welwyn Garden City AL8 6QA
Received 5 Feb 2024
Decided - GrantedW6/2014/2563/EM
Conversion of outbuilding to habitable use
124 Lemsford Lane, Welwyn Garden City, AL8 6YP
Received 21 Nov 2014
Decided - Granted6/2022/0113/PN8
Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3m in height and 3m to the eaves following the demolition of existing rear extension.
33 Codicote Road Welwyn AL6 9TT
Received 18 Jan 2022
Decided - GrantedS6/2004/0861/FP
ERECTION OF REAR CONSERVATORY
7 Ivy Walk Hatfield AL10 9FX
Received 8 Jun 2004
Decided - Granted6/2022/1361/HOUSE
Erection of a part single, part two storey rear extension
21 Manor Road Hatfield Hertfordshire AL10 9LJ
Received 13 Jun 2022
Decided - GrantedW6/2007/1305/EM
SINGLE STOREY FRONT AND REAR EXTENSIONS
2 Parkfields Welwyn Garden City AL8 6ED
Received 31 Aug 2007
Decided - Granted6/2018/1046/HOUSE
Erection of a rear single storey extension and roof pitch alterations following demolition of existing conservatory
The Doves Hill Farm Lane Welwyn AL6 9BU
Received 23 Apr 2018
Decided - RefusedS6/2007/1107/FP
ERECTION OF SINGLE STOREY FRONT EXTENSION
NORTHAW C OF E SCHOOL, VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PB
Received 23 Jul 2007
Decided - GrantedS6/2014/1807/FP
Erection of single storey side/rear extension, new porch and windows. Conversion of garage to habitable accommodation and installation of three dormer windows
62 Holloways Lane, Welham Green, Hatfield, AL9 7NS
Received 13 Aug 2014
Decided - GrantedW6/2004/0891/EM
ERECTION OF SINGLE STOREY REAR EXTENSION FOLLOWING REMOVAL OF EXISTING CONSERVATORY.
27 Russellcroft Road, Welwyn Garden City, AL8 6QX
Received 9 Jun 2004
Decided - Granted6/2025/2476/EMT
Group of Lawson cypress to fell. Replacing with a new beech hedge.
16 Moorend Welwyn Garden City AL7 4QL
Received 25 Nov 2025

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

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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