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

40,229Searchable applications

309Recorded as pending

86%Approval rate · 33,738 approved or refused records

4,810Refused applications

28,928 approved · 4,810 refused · 2,212 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2009/0354/EM
INSTALLATION OF DOOR AND WINDOW TO ENCLOSE EXISTING FRONT PASSAGE WAY
7 CROSSWAY, WELWYN GARDEN CITY, HERTS, AL8 7EB
Received 19 Feb 2009
Decided - Granted6/2021/0202/HOUSE
Erection of a single storey flat roof rear extension, new fenestration and Internal alterations
95 Broomhills Welwyn Garden City AL7 1RE
Received 22 Jan 2021
Decided - Refused6/2017/1533/EM
Installation of front and rear dormers and 2 x rear rooflights to facilitate garage and loft conversion to habitable space.
30 Sherrardspark Road Welwyn Garden City AL8 7JS
Received 10 Jul 2017
Decided - Granted6/2016/1831/HOUSE
Erection of single storey rear extension and insertion of replacement door to side elevation
14 Howlands, Welwyn Garden City, AL7 4RD
Received 7 Sept 2016
Decided - Granted6/2017/0416/TPO
Reduce Hornbeam tree crown by 25% - Conservation Area
2 Church Cottages Bibbs Hall Lane Welwyn AL6 9BZ
Received 3 Mar 2017
Decided - Granted6/2026/1122/COND
Submission of details pursuant of condition 5 (external materials) on planning permission 6/2025/1228/FULL
Land adjacent to 42 Lemsford Village Lemsford Welwyn Garden City AL8 7TR
Received 29 Jun 2026
Decided - RefusedN6/2009/2748/TP
REDUCTION OF BEECH AND OAK BY 50% COVERED BY TPO 24 AREA 4
1A The Drive Welwyn AL6 0TW
Received 31 Dec 2009
Decided - Granted6/2021/2381/HOUSE
Erection of a single storey rear extension to include raising of roof over attached outbuilding.
14 Pitsfield Welwyn Garden City AL8 7SJ
Received 12 Aug 2021
Decided - Granted6/2024/0103/COND
Submission of details pursuant to condition 2.1 (Remediation Strategy) on planning permission 6/2018/3110/MAJ
1 Claves Crescent Welwyn Garden City AL7 1WN
Received 15 Jan 2024
Decided - Granted6/2022/2249/VAR
Variation of condition 1 (parking), amendment of condition 3 (archaeological significance), amendment of condition 9 (phase 1 disabled access), removal of condition 10 (shipping containers), amendment of condition 13 (phase 1 main application site and Gosling Sports Centre, amendment of condition 17 (phase 2 materials), amendment of condition 20 (phase 3 submission of non-native species management plan, revision of phase numbers on condition 21 (hard and soft landscaping), 22 (cycle provision), 23 (motorcycle provision), 24 (car parking), 25 (parking), 26 (removal of temporary buildings), 27 (surface water) and variation of condition 33 (approved plans) on planning reference 6/2021/2125/MAJ
Hertfordshire Constabulary, Stanborough Road, Welwyn Garden City, Herts. AL8 6XF
Received 28 Sept 2022
Decided - Granted6/2017/1194/MAJ
Erection of 24 retirement living units (category II sheltered housing) with associated communal facilities, car parking and landscaping following the demolition of existing buildings
98-102 Great North Road Hatfield AL9 5DB
Received 1 Jun 2017
Decided - Granted6/2016/0611/TPO
Removal of Limb from Yew tree, crown reduce Sycamore tree crown by 30% plus fell two Conifer trees - Conservation Area
The Mill House 31 Mill Lane Welwyn AL6 9EU
Received 21 Mar 2016
Appeal Decided - Dismissed6/2021/3338/FULL
Erection of 2 x detached dwellings involving demolition of existing detached dwelling
44 Tolmers Road Cuffley Potters Bar EN6 4JF
Received 26 Nov 2021
Decided - Granted6/2017/0940/EM
Reduce rear hedge and 1 Plum tree by 50% plus trim group of plums away from roof and cut back by 2m
33 Attimore Road Welwyn Garden City AL8 6LQ
Received 4 May 2017
Decided - GrantedN6/2013/1298/TC
Fell One Oak tree and reduce Two Oaks trees by upto 30%
26 Reddings, WELWYN GARDEN CITY, AL8 7LA
Received 11 Jun 2013
Decided - Granted6/2021/1266/HOUSE
Erection of single storey rear extension
5 Swanley Bar Lane Little Heath Potters Bar EN6 1NN
Received 20 Apr 2021
Decided - Granted6/2018/2009/FULL
Change of use from drop-in centre (sui generis) to drop-in centre and temporary overnight accommodation (sui generis) and alteration to existing shopfront
Queensway House Queensway Hatfield AL10 0LR
Received 31 Jul 2018
Decided - GrantedW6/2008/1195/EM
ERECTION OF GARDEN SHED AND PERGOLA.
3 FEARNLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HW
Received 15 Jul 2008
Decided - GrantedS6/2014/2651/FP
Erection of single storey rear extension
10 East View, Essendon, Hatfield, AL9 6HJ
Received 8 Dec 2014
Appeal Decided - DismissedN6/2013/2020/FP
Erection of single and two storey rear extensions
112 Hollybush Lane, Welwyn Garden City, AL7 4JW
Received 17 Sept 2013
Decided - Granted6/2020/2615/HOUSE
Loft conversion including insertion of one rear facing dormer and roof light.
3 Barleycroft Green Welwyn Garden City AL8 6JY
Received 9 Oct 2020
Decided - Granted6/2018/2088/FULL
Erection of 2 x 2-bedroom dwellings
Land between 48a and 50 Birchwood Close, Hatfield, AL10 0PP
Received 9 Aug 2018
Decided - Granted6/2025/1366/EM
Erection of a garden room
1 Strawfields Welwyn Garden City AL7 1RB
Received 1 Jul 2025
Decided - Granted6/2025/1103/HOUSE
Erection of single storey side extension following the demolition of existing conservatory. Installation of rear dormer to facilitate loft conversion. Alterations to render and fenestration and rearrangement of existing solar panels
14B Northaw Road West Northaw Potters Bar EN6 4NR
Received 9 Jun 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

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.
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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.
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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.
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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