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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

DecidedN6/2006/1509/CD
APPLICATION FOR VARIATION OF CONDITION 2 OF ROMPP PERMISSION 1/005-97 AND CONDITION 2 OF IDO PERMISSION 1/0349-93
CODICOTE QUARRY, ST ALBANS ROAD, CODICOTE, HERTFORDSHIRE
Received 9 Nov 2006
Decided - GrantedC6/1987/7001/AD
Illuminated fascia sign and double sided projecting sign
9 Stonehills, Welwyn Garden City, AL8 6NA
Received 1 Jan 1987
Decided - Granted6/2024/0831/HOUSE
Erection of side infill extension and single storey side/ rear extensions, raise in garage roof height to facilitate its conversion to habitable space, patio, landscaping and fenestration alterations
41 Moorlands Welwyn Garden City AL7 4PY
Received 2 May 2024
Decided - GrantedW6/2013/1226/EM
Installation of paving and rotating sphere to rear garden
21 Coneydale, Welwyn Garden City, AL8 7RX
Received 12 Jun 2013
Decided - GrantedN6/2013/0858/FP
Single storey front extension to existing garage, garage conversion to habitable accommodation, rear dormer window, change from pitched roof to flat roof above existing rear extension, removal of first floor rear window
7 Dellcott Close, WELWYN GARDEN CITY, AL8 7BB
Received 22 Apr 2013
Decided - Granted6/2016/0885/EM
Removal of Apple and Cherry trees located at the front of the property
38 Valley Road, Welwyn Garden City, AL8 7DN
Received 5 May 2016
Decided - Granted6/2021/2687/EM
Erection of a garden room to the rear of the garden
24 Turmore Dale Welwyn Garden City AL8 6HS
Received 16 Sept 2021
Decided - Granted6/2017/1464/PN8
Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3.3m in height and 2.83m to the eaves.
105 Woodhall Lane Welwyn Garden City AL7 3TH
Received 3 Jul 2017
Decided - Refused6/2018/2324/EM
Formation of front driveway following removal of hedgerow
279 Knightsfield Welwyn Garden City AL8 7RA
Received 11 Sept 2018
Decided - Granted6/2021/2557/HOUSE
Erection of single storey rear extension including creation of three rooflights, along with insertion of two rooflights to existing roof.
69 Theobalds Road Cuffley Potters Bar EN6 4HS
Received 1 Sept 2021
Decided - GrantedS6/2004/1616/FP
ERECTION OF SINGLE STOREY SIDE EXTENSION
101 Dellsome Lane Welham Green Hatfield AL9 7NE
Received 1 Nov 2004
Decided - GrantedC6/1988/1188/FP
Extension to factory by provision of covered loading bays
Broadwater Road, Welwyn Garden City, AL7 3BQ
Received 1 Jan 1988
Decided6/2018/0560/COND
Submission of details pursuant to condition 1a (remediation strategy), 1d (verification plan), 2 (verification report), 3 (monitoring and maintenance plan), 7 (borehole management scheme), 8 (revised/additional landscaping proposals), 11 (surface water drainage scheme), 12 ((surface water drainage scheme) and 13 (external lighting) on planning permission 6/2017/2317/MAJ, dated 25/01/2018
Tesco Omega Kestrel Way Welwyn Garden City AL7 1AB
Received 26 Feb 2018
Decided - Granted6/2019/1432/FULL
Subdivision of existing residential unit into 2 x 1 bedroom flats with shared access from existing ground floor entrance
55-56 Bradmore Green Brookmans Park Hatfield AL9 7QS
Received 13 Jun 2019
Decided - Refused6/2020/0851/LAWP
Certificate of lawfulness for the installation of 2x front facing roof lights and 2x rear dormers to facilitate loft conversion
40 Vineyards Road Northaw Potters Bar EN6 4PA
Received 7 Apr 2020
Decided - GrantedS6/2014/2005/LUP
Certificate of lawfulness for ancillary use of existing residential dwelling for registered childminding up to a maximum of 5 children plus the householder's own children
389 St Albans Road West, Hatfield, AL10 9RU
Received 10 Sept 2014
Decided - Granted6/2022/2488/TPO
T1 - Yew tree - Reduce back the garden side of the Yew tree located between the two Oaks bringing it back into shape (Removing no more than 2 meters growth) and to lift the canopy to about 2.5 meters. - This is to bring the tree back under control to let more light into the garden. T2 - Horse Chestnut - Reduce the Horse Chestnut tree at the rear of the garden by about 30% removing no more than 2 meters growth all round forming a rounded shape including thinning out the internal crown and lifting the canopy to 5 meters. We will be leaving appropriate growth points at the ends of the branches - This is to bring the tree back under control and to allow more light into the garden
Dairy Lodge Essendon Place High Road Essendon Hatfield AL9 6HU
Received 31 Oct 2022
Decided - RefusedN6/2009/1715/AD
RETENTION OF FREE STANDING ADVERTISMENT BOARD
LAND AT FORMER CEREAL PARTNERS UK, BRIDGE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1RR
Received 7 Aug 2009
Decided - Granted6/2019/0849/COND
Submission of details pursuant to condition 4 (Sustainable Drainage) on planning ref 6/2018/2150/MAJ
University Of Hertfordshire Mosquito Way Hatfield AL10 9AB
Received 9 Apr 2019
Decided6/2024/0563/TC
1 x Yew to reduce lateral growth on left and rear neighbours side by approximately 2m
18 Church Street Welwyn AL6 9LX
Received 21 Mar 2024
Decided - GrantedC6/1988/7029/AD
Illuminated fascia and projecting signs.
Howardsgate, Welwyn Garden City, AL8 6AT
Received 1 Jan 1988
Decided - Granted6/2021/3250/FULL
Installation of 3 x antennas on yoke bracket and 1 x GPS on antenna support pole, the removal of 3 x antennas, and 3 x existing antennas to be relocated to yoke bracket and retained as dummy antennas
University of Hertfordshire Roe Green College Lane Campus Hatfield AL4 0PJ
Received 15 Nov 2021
Decided - GrantedW6/2015/0768/TE
Cut back dead branches on Oak Tree in rear garden
320 Knightsfield, Welwyn Garden City, AL8 7NQ
Received 31 Mar 2015
Decided - GrantedS6/2013/2350/NM
Non material amendment following approval of planning permission S6/2013/0911/FP - Loft conversion and associated works including hip to gable conversion and front and rear dormer
65 Westland Drive, Brookmans Park, Hatfield, AL9 7UG
Received 11 Nov 2013

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

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Planning permission drawings: how to read plans
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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