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

40,288Searchable applications

321Recorded as pending

86%Approval rate · 33,780 approved or refused records

4,816Refused applications

28,964 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/1069/HOUSE
Installation of ground floor window to facilitate the conversion of garage into habitable space
12 Ramsey Close Brookmans Park Hatfield AL9 6NP
Received 9 May 2022
Decided - Granted6/2020/2671/HOUSE
Single storey rear extension
68 Great Ganett Welwyn Garden City AL7 3DE
Received 14 Oct 2020
Decided - Withdrawn6/2020/1641/EM
Erection of a timber bike store and timber tool store
34 Sherrardspark Road Welwyn Garden City AL8 7JS
Received 8 Jul 2020
Decided - Granted6/2019/1914/EM
Fell 1x Beech tree Fell 1x Sycamore tree
134 Lemsford Lane Welwyn Garden City AL8 6YP
Received 5 Aug 2019
Decided - Granted6/2023/1416/FULL
Single storey extension to rear refrigeration area
126 Great North Road Hatfield AL9 5JN
Received 6 Jul 2023
Decided - GrantedN6/2009/0384/TC
REMOVAL OF SILVER BIRCH FROM REAR GARDEN
129 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TA
Received 16 Feb 2009
Decided - Granted6/2023/1183/HOUSE
Erection of first floor rear extension, single storey rear extension, roof alteration, front (x1) and rear (x3) rooflights
21 Great North Road Brookmans Park Hatfield AL9 6LB
Received 5 Jun 2023
Decided - Granted6/2024/1453/EM
Installation of an EV charge point to the front of the property for a motability vehicle
2 Walnut Court Welwyn Garden City AL7 4EZ
Received 31 Jul 2024
Decided - GrantedN6/2015/1349/FP
Erection of two storey side extension and single storey rear extension
3 Foxley Grove Digswell Welwyn AL6 0DW
Received 18 Jun 2015
Decided - Withdrawn6/2022/2818/LB
Erection of a substation, electric vehicle rapid charging hub (consisting of 8 high power chargers) and associated electrical equipment.
The Beehive Beehive Lane Welwyn Garden City AL7 4BW
Received 13 Dec 2022
Appeal Decided - DismissedS6/2013/1271/DS
Discharge of condition 4 (landscaping) of planning permission S6/2010/2881/FP
46 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QJ
Received 19 Jun 2013
Decided - GrantedS6/2013/1165/DS
Discharge of conditions 3 (materials), 4 (demolition), 5 (bat surveys), 12 (Arboricultural Method Statement), 15 (storage & disposal of manure), 18 (waste materials), 20 (stables first floor plan and 21 (access rights) of planning permission S6/2012/2656/S73B
Warrenwood Manor, Hornbeam Lane, Brookmans Park, Hatfield, AL9 6JF
Received 3 Jun 2013
Decided - Granted6/2022/0221/EMH
Installation of a new window to the front of the property
3 High Oaks Road Welwyn Garden City AL8 7BJ
Received 1 Feb 2022
Decided - GrantedS6/2012/2593/FP
Erection of new dwelling
Land to the rear of 8-10 Tolmers Avenue, Cuffley, POTTERS BAR, EN6 4QE
Received 10 Dec 2012
Decided - GrantedN6/2013/0290/TE
Reduce Eucalyptus tree by upto 75%
163 Parkway, WELWYN GARDEN CITY, AL8 6JA
Received 8 Feb 2013
Decided - Refused6/2024/0613/FULL
Erection of an additional storey at second floor to accommodate 3 residential units including alterations to internal access, new acoustic enclosure and bin and bicycle storage to rear.
31A Howardsgate Welwyn Garden City Hertfordshire AL8 6AP
Received 28 Mar 2024
Decided - Granted6/2020/1652/HOUSE
Retention of rear gable to part two storey, part single storey rear extension, front porch and single storey side extension
7 Maran Avenue Welwyn AL6 9HS
Received 1 Jul 2020
Decided - Granted6/2025/1425/EM
Replacement (like for like) of the five windows to the front of the house. This is a retrospective application, the original application was submitted and granted planning consent in 2013.
12 Elm Gardens Welwyn Garden City AL8 6RY
Received 4 Jul 2025
Decided - GrantedS6/2004/1328/FP
DEMOLITION OF EXISTING BUILDING AND THE ERECTION OF TWO DWELLINGS
33 Lemsford Road Hatfield AL10 0DL
Received 1 Sept 2004
Decided - Granted6/2025/0896/FULL
Part retrospective application for change of use from amenity land to residential land and installation of a driveway and a drop kerb
1 Badger Way Hatfield AL10 8RY
Received 15 May 2025
Decided - Granted6/2016/1650/LB
Alterations and repairs to existing barns.
Great Nast Hyde House, Wilkins Green Lane, Hatfield, AL10 9RB
Received 11 Aug 2016
Decided - Granted6/2023/0213/HOUSE
Erection of single storey rear extension
12 Templewood Welwyn Garden City AL8 7HX
Received 30 Jan 2023
Decided - Granted6/2022/2419/HOUSE
Installation of front facing gates and railings
7 Georges Wood Road Brookmans Park AL9 7BY
Received 19 Oct 2022
Decided - Granted6/2020/1974/HOUSE
Erection of a single storey rear extension
7 Rosecroft Lane Welwyn AL6 0UB
Received 8 Aug 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