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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/1987/EMT
T1-Beech- Crown reduce by 2-3 metres all round to maintain size and shape
14 The Valley Green, Welwyn Garden City, AL8 7DQ
Received 26 Sept 2023
Decided - GrantedS6/2007/1850/FP
ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION
4 Manor Road, HATFIELD, HERTFORDSHIRE, AL10 9LN
Received 3 Dec 2007
Decided - Granted6/2024/0799/EM
Erection of single storey extension following demolition of existing rear conservatory. Replacement of 3 existing windows and front door, hard landscaping to be upgraded
11 Handside Lane Welwyn Garden City AL8 6SE
Received 29 Apr 2024
Decided - Refused6/2019/2618/PN8
Prior approval for the erection of a single storey rear extension measuring 4.5m in depth, 3.3m in height and 2.9m to the eaves
12 Hill Ley Hatfield AL10 8LX
Received 16 Oct 2019
Decided - Refused6/2022/0235/HOUSE
Erection of a single storey rear extension
17 Danesbury Park North Ride Welwyn Hertfordshire AL6 9SA
Received 2 Feb 2022
Decided - Refused6/2023/1159/FULL
Change of use from B8 (warehouse) to B2 (garage repairs for automobiles)
17A Southfield Welwyn Garden City AL7 4ST
Received 1 Jun 2023
Appeal Decided - AllowedS6/2009/2014/FP
ROOF EXTENSION OVER EXISITNG GARAGE
13 TOLMERS GARDENS, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JE
Received 15 Aug 2009
Decided - GrantedS6/2004/0758/FP
ERECTION OF SINGLE STOREY SIDE EXTENSION.
79 Stonecross Road Hatfield AL10 0HP
Received 25 May 2004
Decided - Withdrawn6/2025/0952/EM
Erection of single front garage roof extension
47 Elm Gardens Welwyn Garden City AL8 6RX
Received 22 May 2025
Decided - RefusedE6/1948/0206/
Use of dwelling house as nursery school
29 Elmwood Welwyn Garden City AL8 6LD
Received 29 Apr 1948
Decided - Granted6/2023/0464/HOUSE
Retention of an ancillary outbuilding in the rear garden
5 Church Close Cuffley Potters Bar EN6 4LS
Received 1 Mar 2023
Decided - Granted6/2015/1973/TPO
Fell three Cypress trees and one apple tree plus reduce Apple tree by 20% and Willow tree by 30% - Conservation Area.
2 Broadfield Place, Welwyn Garden City, AL8 6LJ
Received 22 Sept 2015
Decided - GrantedW6/2013/1580/EM
Erection of single storey rear extension and front porch
14 Fordwich Road, Welwyn Garden City, AL8 6EY
Received 22 Jul 2013
Decided - Refused6/2016/2317/MAJ
Erection of front extension to existing supermarket to create an enclosed entrance lobby and extension to existing customer cafe
Morrison Supermarket 40 Black Fan Road Welwyn Garden City AL7 1RY
Received 3 Nov 2016
Decided - Granted6/2022/1025/COND
Submission of detail pursuant to condition 5 (noise) and condition 6 (materials) on planning permission 6/2019/0166/FULL
Units 9-11 Peartree Farm Welwyn Garden City AL7 3UW
Received 3 May 2022
Decided - Granted6/2017/0968/EM
Erection of wooden garage at rear of garden.
50 Thistle Grove Welwyn Garden City AL7 4AN
Received 8 May 2017
Decided - GrantedN6/2015/0396/FP
Erection of orangery
51 Leigh Common, Welwyn Garden City, AL7 4NL
Received 25 Feb 2015
Decided - Granted6/2017/0614/EM
Formation of block paved driveway and associated landscaping to accommodate a second vehicle, following the removal of existing hardscaping.
8 Great Ganett Welwyn Garden City AL7 3DF
Received 27 Mar 2017
Decided - Granted6/2022/1342/HOUSE
Erection of a single storey garage, two storey front and rear extension with conversion of loft into habitable space
55 Holloways Lane Welham Green Hatfield Hertfordshire AL9 7NR
Received 9 Jun 2022
Decided - Granted6/2018/1517/COND
Submission of details pursuant to condition 7 (construction management plan) and 10 (Surface water drainage scheme) on planning permission 6/2016/2690/MAJ
Empire House Bessemer Road Welwyn Garden City AL7 1FY
Received 6 Jun 2018
Decided - GrantedC6/1987/0609/FP
External alterations including replacement of existing windows with smaller units
The Focolare Trust, The Focolare Centre, 69 Parkway, Welwyn Garden City, AL8 6JG
Received 1 Jan 1987
Decided - GrantedW6/2004/1054/EM
ERECTION OF REAR CONSERVATORY
37 Carve Ley, Welwyn Garden City, AL7 3HL
Received 12 Jul 2004
Decided - Granted6/2025/1593/MAJ
Erection of a two storey dwelling, an annexe and a detached garage together with associated landscaping and ancillary works following demolition of the existing dwelling, annexe, stable block and detached garage.
4 Barneswood Digswell Welwyn AL6 0EU
Received 24 Jul 2025
Decided - RefusedS6/2007/1086/FP
ERECTION OF 2 NO. 2 BEDROOM BUNGALOWS WITH ADDITIONAL PARKING PROVISION
Hollier Court Old French Horn Lane
Received 19 Jul 2007

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