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

36,147Searchable applications

333Recorded as pending

86%Approval rate · 30,123 approved or refused records

4,103Refused applications

26,020 approved · 4,103 refused · 1,902 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2014/2273/AD
Installation of 3 non-illuminated chevron signs, 3 non-illuminated hanging signs and 6 other non-illuminated signs and further alterations to the existing signage
13 Stonehills, Welwyn Garden City, AL8 6PD
Received 15 Oct 2014
Decided - GrantedS6/2012/2656/S73B
Time extension of planning permission S6/2009/2574/FP (Erection of new dwelling, three bay garage block, garden store together with retention and alteration of the existing stables, landscaping and all other ancillary works. Following demolition of partially constructed dwelling, adjoining stables and garage blocks)
Land at, Hornbeam Lane, Brookmans Park, HATFIELD, AL9 6JF
Received 20 Dec 2012
Decided - Granted6/2023/0520/COND
Submission of details pursuant to condition 31 (external lighting) on planning reference 6/2021/1987/VAR
1 Town Centre Hatfield AL10 0JZ
Received 7 Mar 2023
Decided - Granted6/2019/2324/EM
Reduce 1 x Hedge to 12 feet H1 Reduce 1 x Hazel Copice tree to 8ft T1 Fell 1 x Horse Chestnut tree T2 Fell 1 x Conifer tree T3
13 Dellcott Close Welwyn Garden City AL8 7BB
Received 20 Sept 2019
Decided - Granted6/2026/1419/COND
Submission of details pursuant to Condition 1 (Biodiversity Gain Plan), Condition 2 (Landscape and Ecological Management Plan (LEMP)), Condition 3 (Construction Traffic Management Plan (CTMP)) and Condition 4 (Tree Survey, Arboricultural Method Statement and Tree Protection Strategy) on planning permission 6/2026/0478/FULL
Howe Dell School The Runway Hatfield AL10 9AH
Received 11 Aug 2026
Decided - Granted6/2020/2963/EMT
Reduce 1 x Norway Maple by 4m height & 3m width.
4 Homerfield Welwyn Garden City AL8 6QZ
Received 11 Nov 2020
Decided6/2021/1053/TC
1 x Bay to fell to ground level and grind out stump 1 x Apple to fell to ground level and grind out stump 1 x Holly to fell to ground level and grind out stump 1 x Witch hazel to reduce by 2m in height 1 x Hazel to fell to ground level and grind out stump 2 x Apples to fell to ground level and grind stump 1 x Dead Apple to fell to ground level Group of Holly to remove all smaller stems and leave main single trunk. Trim single stem back to shape. 1 x Ash to fell to ground level and grind out stump 1 x Cherry to fell to ground level.
61 Parkway Welwyn Garden City AL8 6JF
Received 30 Mar 2021
Decided - Granted6/2022/0487/HOUSE
Installation of rear dormer to facilitate the conversion of the loft to habitable space
14 High Road Essendon Hatfield AL9 6HW
Received 1 Mar 2022
Decided - GrantedS6/2007/1581/AD
INSTALLATION OF INTERNALLY ILLUMINATED FASCIA SIGNS AND PROJECTING SIGN
LLOYDS PHARMACY, UNIT 12, PARK HOUSE COURT, COMET SQUARE, HATFIELD, HERTFORDSHIRE, AL10 9RQ
Received 25 Oct 2007
Decided - RefusedN6/2008/0071/FP
CHANGE OF USE FROM B1, B2, B8 TO CHILDRENS ACTIVITY CENTRE AND DAY NURSERY (D1)
UNIT 2, MALLOW PARK, WATCHMEAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1LT
Received 15 Jan 2008
Decided - Granted6/2022/1548/HOUSE
Erection of a single storey rear extension and garage conversion.
24 Mornington Digswell Welwyn AL6 0AJ
Received 1 Jul 2022
Decided - RefusedS6/2014/0131/FP
Erection of single storey side and rear extension and erection of front, sides and rear dormers
The Orchard, 51 Northaw Road East, Cuffley, Potters Bar, EN6 4LU
Received 27 Jan 2014
Decided - Granted6/2026/0935/EM
Erection of front porch
1 Little Wade Welwyn Garden City AL7 4LE
Received 28 May 2026
Decided - Granted6/2019/0710/HOUSE
Erection of a part single, part first floor side extension and part single, part two storey rear extension, granny annexe for ancillary use following demolition of existing garage.
1 Hall Grove Welwyn Garden City AL7 4PJ
Received 25 Mar 2019
Decided6/2024/1857/TC
1 x Hornbeam to reduce by approximately 2.5m in both height and width. Tree is growing close (now touching) neighbouring property
53 Parkway Welwyn Garden City AL8 6JF
Received 26 Sept 2024
Decided - Refused6/2024/0605/COND
Submission of details pursuant to condition 7 (Parking Allocation) on planning permission 6/2022/1774/RM
Land to the north east of King George V Playing Fields Northaw Road East Hertfordshire Cuffley EN6 4RD
Received 27 Mar 2024
Decided - Granted6/2016/1747/COND
Approval of details reserved by condition 3 (Landscape and Materials) and 4 (Bat Mitigation Strategy) on planning application N6/2015/0603/FP
Amesbury, Bride Hall Lane, Welwyn, AL6 9BX
Received 24 Aug 2016
Decided - GrantedN6/2010/0193/TP
REDUCE BACK TO OLD CUTS FROM PREVIOUS WORK TO OAK TREE (T2) COVERED BY TPO 99
1 Juniper Gardens Welwyn AL6 0XH
Received 2 Feb 2010
Decided - Granted6/2017/1818/EM
Erection of a chimney cap and installation of a security alarm box to front of property
186 Thistle Grove Welwyn Garden City AL7 4AJ
Received 16 Aug 2017
Decided - Refused6/2018/1250/PN8
Prior approval for the erection of a single storey rear extension measuring 2.5m in depth,3.6m in height,2.8 in eaves
38 Woods Avenue Hatfield AL10 8NA
Received 8 May 2018
Decided - Granted6/2019/0314/EM
Replacement of garage
32 Brockswood Lane Welwyn Garden City AL8 7BG
Received 12 Feb 2019
Decided - Granted6/2016/1010/HOUSE
Erection of single storey side garage extension and conversion of existing garage to habitable room
22 Starling Lane, Cuffley, Potters Bar, EN6 4JX
Received 23 May 2016
Decided - Granted6/2021/2971/HOUSE
Erection of a first floor side extension above the existing garage to be linked to the house at first floor level and incorporating a glazed link below at ground floor level
62 New Park Road Newgate Street Hertford SG13 8RF
Received 15 Oct 2021
Decided6/2026/0157/TC
Rear Garden 1 x Apple to reduce height by removing regrowth back by 1m. Reduce width by around 1.5m - apple to reduce maintaining current pruning maintenance programme. Front Honey Locust to reduce by 1.8m height and 1.5m width -honey locust to reduce size due to proximity to both houses. its growing both closer and blocking large amount of light in summer
114 Parkway Welwyn Garden City AL8 6HN
Received 29 Jan 2026

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

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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