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

36,767Searchable applications

335Recorded as pending

86%Approval rate · 30,628 approved or refused records

4,210Refused applications

26,418 approved · 4,210 refused · 1,976 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 25 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/1004/LAWP
Certificate or lawfullness for the erection of outbuilding in rear garden
28 Burycroft Welwyn Garden City AL8 7AW
Received 28 Apr 2022
Decided - Granted6/2026/0220/PN8
Prior approval for the erection of a single storey rear extension measuring 5.5m in depth, 3m in height and 3m to the eaves
4 Orchard Way Little Heath Potters Bar EN6 1NT
Received 9 Feb 2026
Decided - Granted6/2017/0393/TPO
Fell Oak tree covered by TPO 164 (1991)
Digswell House Monks Rise
Received 27 Feb 2017
Decided - Granted6/2017/1309/COND
Submission of details reserved by condition 3 (tree protection measures), on planning permission 6/2016/2231/FULL
Oaklands College The Campus Welwyn Garden City AL8 6AH
Received 15 Jun 2017
Decided6/2022/1905/TC
T1 x Apple to reduce by approximately 2m height and width. T2 2 x Holly to reduce by around 50% crown volume, trim sides in tight to create shape
4 High Grove Welwyn Garden City AL8 7DW
Received 16 Aug 2022
Decided - GrantedN6/2008/2190/FP
FORMATION OF ADDITIONAL VEHICLE HARDSTANDING
20 Somersham Welwyn Garden City AL7 2PZ
Received 17 Nov 2008
Decided - Granted6/2016/2406/FULL
Erection of a single storey side and rear extension and change of use of part of land to side of property, from amenity land to residential land and insertion of new hedging
63 Wellcroft Road Welwyn Garden City AL7 3JX
Received 15 Nov 2016
Decided - Refused6/2017/1338/HOUSE
Erection of single storey rear extension following demolition of existing rear conservatory, with conversion of existing loft and installation of rear dormer and solar panels to flat roof
72 Great Ganett Welwyn Garden City AL7 3DE
Received 21 Jun 2017
Decided - GrantedS6/2009/1679/FP
ERECTION OF RESIDENTIAL BLOCK CONSISTING OF TWO 2 BEDROOM FLATS WITH ASSOCIATED PARKING
Land rear of 45 Bradshaws Hatfield AL10 9QS
Received 4 Aug 2009
Decided6/2024/1695/TC
Crown reduction of 1 x Plum Tree by 25%. The tree is encroaching pavement and boundary and stopping light so requires reducing
64 Attimore Road Welwyn Garden City AL8 6LP
Received 4 Sept 2024
Decided - GrantedC6/1988/0815/FP
Two storey and single storey rear extension
3 Moorside, Welwyn Garden City, AL7 4QH
Received 1 Jan 1988
Decided - GrantedS6/2007/1021/FP
REVISED TAXI RANK LAYOUT PURSUANT TO PLANNING PERMISSION S6/2004/0001/FP (DEVEVELOPMENT OF HATFIELD TOWN CENTRE)
LAND ON NORTH SIDE OF, QUEENSWAY, HATFIELD, HERTFORDSHIRE, AL100LQ
Received 6 Jul 2007
Decided - Granted6/2019/0707/HOUSE
Erection of a single storey rear extension and fenestrations to garage following demolition of existing rear extension
6 Hyde Valley Welwyn Garden City AL7 4NA
Received 25 Mar 2019
Decided - Granted6/2016/1928/EM
Lift Lime tree crown by 2m and top growth by 33%. Reduce Copper Beeach tree by 20%
325 Knightsfield, Welwyn Garden City, AL8 7NJ
Received 15 Sept 2016
Decided - Granted6/2024/1088/EM
Installation of air source heat pump to rear of property to replace existing gas fired boiler
39 Barleycroft Road Welwyn Garden City AL8 6JX
Received 12 Jun 2024
Decided - Granted6/2024/1011/EM
Installation of an electric vehicle charging point to the side of the property
12 The Valley Green Welwyn Garden City AL8 7DQ
Received 30 May 2024
Decided - GrantedN6/2008/2408/FP
FORMATION OF NEW CYCLE STORE
Welwyn Wheelers Gosling Sports Park Stanborough Road Welwyn Garden City AL8 6XE
Received 11 Dec 2008
Decided - Granted6/2016/1376/EM
Removal of dead Silver Birch tree
87 Valley Road, Welwyn Garden City, AL8 7DR
Received 7 Jul 2016
Decided - GrantedS6/2013/2224/FP
Erection of rear conservatory
12 The Holdings Hatfield AL9 5HQ
Received 21 Oct 2013
Decided - Granted6/2022/2827/HOUSE
Erection of rear conservatory
55 Mymms Drive Brookmans Park AL9 7AE
Received 14 Dec 2022
Decided6/2018/2799/TPO
Fell 1 x Eucalyptus and 1 x Weymouth Pine Tree - Conservation Area
12 Barleycroft Green Welwyn Garden City AL8 6JY
Received 29 Oct 2018
Decided6/2024/1518/TC
T1-Rowan-Fell to ground level as it is dying
24 Longcroft Lane Welwyn Garden City AL8 6EA
Received 9 Aug 2024
Decided - Granted6/2026/0753/EMT
1 x Plum to fell.
33 Attimore Road Welwyn Garden City AL8 6LQ
Received 28 Apr 2026
Decided - Granted6/2019/0021/HOUSE
Erection of two storey front, side and rear extensions and alterations to the roof
79 The Ridgeway Cuffley Potters Bar EN6 4BD
Received 4 Jan 2019

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.
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