England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates

31,892Searchable applications

303Recorded as pending

87%Approval rate · 26,649 approved or refused records

3,492Refused applications

23,157 approved · 3,492 refused · 1,680 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 20 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/2190/EM
Fell 1 x Sycamore tree Reduce 1 x Hornbeam tree by 4m height & 2.5m width
53 Handside Lane Welwyn Garden City AL8 6SH
Received 3 Sept 2019
Decided - Granted6/2025/0042/HOUSE
Erection of a part single and part two storey rear extension, with alterations to rear openings
144 Holwell Road Welwyn Garden City AL7 3RW
Received 13 Jan 2025
Decided - Refused6/2022/0885/HOUSE
Conversion of the loft involving an extension to the existing side dormer window and the insertion of a new side dormer window
16 Burleigh Way Cuffley Potters Bar Hertfordshire EN6 4LG
Received 13 Apr 2022
Decided - WithdrawnN6/2015/1486/FULL
Erection of 3 dwellings following demolition and replacement of original dwellings with associated garaging and parking
37 Church Street Welwyn AL6 9LS
Received 10 Jul 2015
Decided - Granted6/2026/1235/EMT
1 x Acacia to reduce by 2m height and 1.5m width. Remove snapped limb
19 Beehive Green Welwyn Garden City AL7 4BE
Received 14 Jul 2026
Decided6/2026/1154/TC
1 x Willow to reduce canopy to leave a standing trunk of around 3m above ground level.
40 Attimore Road Welwyn Garden City AL8 6LP
Received 2 Jul 2026
Decided - Granted6/2019/1856/EM
Replacement of hard and soft landscaping
7 Stacklands Welwyn Garden City AL8 6XW
Received 29 Jul 2019
Decided6/2021/0370/TC
Fell 1 x Norway Maple. Fell 1 x Hawthorn. Reduce 1 x Cherry by 3m and remove major deadwood and compromised branches. Reduce 1 x Ash by 3m.
Parkway Community Health Clinic Birdcroft Road Welwyn Garden City AL8 6EH
Received 5 Feb 2021
Decided - Granted6/2016/0202/EM
Installation of new front door
5 Homerfield, Welwyn Garden City, AL8 6QZ
Received 5 Feb 2016
Decided - Granted6/2023/0624/EM
Alterations to existing front driveway consisting of replacing part of the hard paving to increase the area of soft landscaping.
36 Marley Road, Welwyn Garden City, AL7 4BS
Received 21 Mar 2023
Decided - GrantedW6/2015/1224/TE
Removal of dead Plum tree
17 Meadow Green Welwyn Garden City AL8 6SS
Received 9 Jun 2015
Decided - GrantedS6/2014/0130/DS
Discharge of condition 3 (hard & soft landscaping), 4 (materials) & 6 (cross sections of proposed floor levels) of planning permission S6/2011/0678/S73B
2 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BZ
Received 22 Jan 2014
Decided - Granted6/2021/3316/HOUSE
Erection of a single storey garage involving demolition of existing garage
12 Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE
Received 24 Nov 2021
Decided - Granted6/2016/0319/ADV
Installation of 2no illuminated planters, 18no low on foot directional signs (free-standing), 2no tall bus stop totems, 8no illuminated car park entrance totems and 6no non-illuminated road side directional totems
Falcon Way and Kestrel Way, Welwyn Garden City, AL7 1GA
Received 26 Feb 2016
Decided - Granted6/2017/1604/LAWP
Certificate of lawfulness for erection of timber garden room with decking following demolition of existing summer house and replacement of existing gate
139 Handside Lane Welwyn Garden City AL8 6TA
Received 24 Jul 2017
Decided6/2020/2947/TC
T1 Pine - Reduce in height by 4m for maintenance T2 Eucalyptus - Reduce in height by 4 metres for maintenance T3 Leylandii - Reduce by 50% to maintain a good height
139 Parkway Welwyn Garden City AL8 6JB
Received 4 Nov 2020
Decided - Granted6/2019/0696/LB
Replacement of windows and front porch
31 Station Road Welham Green Hatfield AL9 7PQ
Received 21 Mar 2019
Decided - Granted6/2017/0271/EM
Erection of single storey, part two storey rear extension and alterations to existing openings.
25 Fordwich Road Welwyn Garden City AL8 6EX
Received 13 Feb 2017
Decided - Granted6/2021/0435/COND
Submission of details pursuant to condition 1 (framing and window details) on planning permission 6/2020/2183/FULL
Little Guessens 6 Codicote Road Welwyn AL6 9NB
Received 11 Feb 2021
Decided - Granted6/2025/2316/FULL
Change of use from general amenity land for the extension of hardstanding with the remaining land being retained as open garden
20 West Mead Welwyn Garden City AL7 4SA
Received 3 Nov 2025
Decided - Granted6/2022/1152/COND
Submission of details pursuant to condition 9 (cycle store) on planning application 6/2020/0456/FULL
75 Oaklands Avenue Hatfield AL9 7UH
Received 19 May 2022
Decided - Granted6/2022/0852/EMT
Fell oak tree (T1)
312 Knightsfield Welwyn Garden City AL8 7NQ
Received 7 Apr 2022
Decided - RefusedW6/2013/0094/EM
Erection of two storey rear extension following removal of existing conservatory
53 Cypress Avenue, WELWYN GARDEN CITY, AL7 1HN
Received 10 Jan 2013
Decided - Granted6/2022/2420/COND
Submission of details pursuant to condition 1 (Construction Management Plan), 2 (Bat survey), 3 (external materials) and 7 (external lighting) on planning permission 6/2021/1312/FULL
16 School Lane Welwyn AL6 9PH
Received 19 Oct 2022

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

View all applications

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