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

40,295Searchable applications

322Recorded as pending

86%Approval rate · 33,786 approved or refused records

4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2018/1974/VAR
Variation of condition 6 (requirements to windows) on planning permission 6/2015/1835/FULL
Birch Cottage Woodland Way Welwyn AL6 0RZ
Received 26 Jul 2018
Decided - Granted6/2020/2816/HOUSE
Erection of single storey rear extension and partial garage conversion including alterations to fenestration
7 Gresley Close Welwyn Garden City AL8 7QA
Received 28 Oct 2020
DecidedN6/2014/1066/TC
Lift Lime tree crown by 5 metres and reduce canopy by 30% plus removal of Magnolia tree
21 High Oaks Road, Welwyn Garden City, AL8 7BJ
Received 23 May 2014
Decided - WithdrawnN6/2004/0401/FP
CHANGE OF USE OF PART OF HIGHWAY TO FORM EXTERNAL DINING AND DRINKING AREA FOR UP TO SIX TABLES AND 12 CHAIRS
BURRELLS RESTAURANT LTD, 24 CHURCH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6PW
Received 16 Mar 2004
Decided - Granted6/2017/0142/FULL
Conversion of existing dwelling involving internal alterations to form 1x 1 bedroom and 1x 3 bedroom self contained flats, including conversion of integral garage to habitable room (Part Retrospective Application)
71 Park Meadow Hatfield AL9 5HB
Received 26 Jan 2017
Decided - Withdrawn6/2018/0579/FULL
Erection of a 4-bedroom dwelling following the demolition of existing stables and outbuildings
Land rear of Nos 10-18 Mymms Drive Brookmans Park Hatfield AL9 7AF
Received 28 Feb 2018
Decided - GrantedW6/2007/0624/EM
ERECTION OF A FIRST FLOOR SIDE EXTENSION
9 River View, Welwyn Garden City, AL7 1UA
Received 19 Apr 2007
Decided - GrantedW6/2011/2085/EM
Formation of vehicle crossover and hardstanding
186 Thistle Grove, Welwyn Garden City, AL7 4AJ
Received 19 Sept 2011
Decided - RefusedN6/2008/0784/LB
ERECTION OF SATELLITE DISH
The Thatched Cottage 3 Pennyfathers Lane Welwyn AL6 0EN
Received 15 May 2008
Decided - Granted6/2024/2320/FULL
Change of use from general amenity land to private driveway to accommodate parking for one motor vehicle and residential grass land and shrubs
80 College Lane Hatfield AL10 9PQ
Received 3 Dec 2024
Decided - WithdrawnW6/2013/1837/EM
Erection of front boundary wall
193 Thistle Grove, Welwyn Garden City, AL7 4AG
Received 27 Aug 2013
Decided - Granted6/2016/0325/EM
Removal of saplings from Ash and Sycamore tree
13 Cranborne Gardens, Welwyn Garden City, AL7 3NF
Received 26 Feb 2016
Decided - Granted6/2025/0312/LAWE
Certificate of lawfulness for the existing barns for mixed commercial, industrial and storage uses and the related use of the external areas around the barns also for associated mixed commercial, industrial and storage uses
Woodhall Farm Woodhall Lane Mill Green Hatfield AL9 5NU
Received 19 Feb 2025
Decided - Granted6/2022/1167/HOUSE
Erection of single storey garden room to accommodate a home gym and garden store
1 Chapelfield Close Welwyn Garden City AL7 4FU
Received 20 May 2022
Decided - GrantedN6/2009/1159/FP
CONVERSION OF OUTBUILDINGS INTO TWO, ONE BEDROOM DWELLINGS WITH ADJACENT PARKING
The Grange 3 Codicote Road Welwyn AL6 9LY
Received 4 Jun 2009
Decided - WithdrawnS6/2006/0609/FP
ERECTION OF TWO STOREY SIDE AND FRONT EXTENSIONS
FAIRFIELDS, VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PG
Received 2 May 2006
Decided - Granted6/2019/2450/EM
Replacement of hedge
65 Valley Road Welwyn Garden City AL8 7DR
Received 2 Oct 2019
Decided - Granted6/2025/1566/EM
Erection of a single storey rear extension
70 Rowans Welwyn Garden City AL7 1PD
Received 21 Jul 2025
Decided - Granted6/2021/0192/EMT
Fell 1 x apple tree
17 Barn Close Welwyn Garden City AL8 6ST
Received 21 Jan 2021
Decided - Granted6/2016/2059/PN8
Prior approval for the erection of a single storey rear extension measuring 4.6m. in depth, 3m. in height and 2.6m. to the eaves
6 Manor Road Hatfield AL10 9LN
Received 30 Sept 2016
Decided - Granted6/2017/1292/HOUSE
Erection of single storey side and rear extensions (retrospective)
26 Mill Lane Welwyn AL6 9ET
Received 13 Jun 2017
Decided - Granted6/2023/2122/HOUSE
Erection of an outbuilding
47 Mymms Drive Brookmans Park Hertfordshire AL9 7AE
Received 19 Oct 2023
Decided - GrantedW6/2008/2273/EM
REPLACEMENT GARDEN SHED
3 THE CLOISTERS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6DU
Received 20 Nov 2008
Decided - Granted6/2020/3381/EM
Replacement Canopy
17 Vine Close Welwyn Garden City AL8 7PS
Received 17 Dec 2020

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