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

39,891Searchable applications

298Recorded as pending

86%Approval rate · 33,444 approved or refused records

4,780Refused applications

28,664 approved · 4,780 refused · 2,191 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2020/1203/PN11
Prior approval for change of use from office (B1a Use Class) to residential (C3 Use Class) to create 45x residential units
Everest House Sopers Road Cuffley Potters Bar EN6 4SG
Received 29 May 2020
Decided - RefusedN6/2008/1662/FP
ERECTION OF TWO STOREY SIDE EXTENSION
158 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RG
Received 21 Aug 2008
Decided - Granted6/2021/3370/EMH
Erection of a part two storey, part single storey rear extension and insertion of 1 x window on existing side elevation
2 Malmsdale Welwyn Garden City AL8 7QN
Received 30 Nov 2021
Decided - WithdrawnN6/2015/0631/FP
Erection of 4no two bedroom dwellings with parking following demolition of exisiting workshop and change of use from commerical to residential
2 New Road Welwyn Garden City AL8 7TX
Received 23 Mar 2015
Decided - Granted6/2021/1370/PN8
Prior approval for the erection of a single storey rear extension measuring 6m in depth, 2.95m in height and 2.95m to the eaves.
3 Railway Cottages Ellenbrook Lane Hatfield AL10 9NY
Received 28 Apr 2021
Decided - RefusedW6/2005/1085/EM
FORMATION OF HARDSTANDING AND ERECTION OF FRONT/SIDE BOUNDARY WALL AND PIERS
82 Lemsford Lane, Welwyn Garden City, AL8 6YL
Received 23 Aug 2005
Decided - GrantedW6/2009/1835/EM
ERECTION OF TWO STOREY REAR EXTENSION, SINGLE STOREY SIDE EXTENSION AND REPLACING SIDE DOOR WITH WINDOW
22 CONEYDALE, WELWYN GARDEN CITY, HERTFODSHIRE, AL8 7RZ
Received 21 Aug 2009
Decided - GrantedS6/2013/2699/FP
Installation of louvres and installation and construction of external plant area
The Colonnades Beaconsfield Close Hatfield AL10 8YE
Received 18 Dec 2013
Decided - Refused6/2020/0869/FULL
Erection of 1x dwelling
1 Oaklands Wood Hatfield AL10 8LU
Received 14 Apr 2020
Decided - Withdrawn6/2023/0255/HOUSE
Erection of single storey front-side extension
32 Turpins Chase Welwyn AL6 0RR
Received 2 Feb 2023
Decided - Granted6/2019/2177/TPO
Reduction of 1 x oak by 4m covered by TPO 724 (2018)
Woodland Adjacent to 1 Perrywood Walden Road Welwyn Garden City AL8 7PZ
Received 19 Aug 2019
Decided - Granted6/2021/3185/EM
Insertion of 1 x window involving removal of existing garage door
12 Meadow Green Welwyn Garden City AL8 6SS
Received 8 Nov 2021
Decided - GrantedS6/2007/0902/FP
ERECTION OF A NEW KITCHEN AND DINING HALL AFTER DEMOLITION OF EXISTING DINING HALL
Cuffley Camp Outdoor Centre Carbone Hill Northaw Potters Bar EN6 4PR
Received 19 Jun 2007
Decided - GrantedS6/2014/2460/AD
Installation of 5 x non illuminated replacement signage to Click & Collect
Tesco Stores Ltd., Great North Road, Oldings Corner, Hatfield, AL9 5JY
Received 5 Nov 2014
Decided - Granted6/2023/1543/EM
Insertion of window to side wall of the garage
56 Broomhills Welwyn Garden City AL7 1RD
Received 25 Jul 2023
Decided - GrantedN6/2009/2423/CD
PROPOSED CHANGE OF USE OF PART OF THE OFFICES AND PART OF THE WAREHOUSE TO WHEELCHAIR ASSESSMENT CENTRE
HERTFORDSHIRE BUSINESS SERVICES, MUNDELLS, WELWYN GARDEN CITY, HERTS, AL7 1FT
Received 4 Nov 2009
Decided6/2019/0216/TPO
Reduce Crown 1x Alder tree by 30%- Covered by conservation area
26 High Street Welwyn AL6 9EQ
Received 1 Feb 2019
Decided - RefusedN6/2009/1011/FP
ERECTION OF TWO STOREY REAR EXTENSION
69 BEEHIVE LANE, WELWYN GARDEN CITY, HERTS, AL7 4BN
Received 13 May 2009
Decided - Granted6/2022/1612/FULL
Replacement of shop front
1A Station Road Cuffley Potters Bar EN6 4HU
Received 7 Jul 2022
Decided - GrantedN6/2007/1088/FP
TWO STOREY SIDE EXTENSION WITH ONE STOREY GARAGE
55 Pentley Park Welwyn Garden City AL8 7SF
Received 20 Jul 2007
Decided - Granted6/2017/2043/TPO
3 x Oak trees (T2, T3 and T4) reduce by 30% and remove deadwood covered by TPO 348 (2006)
8 Mandeville Rise Welwyn Garden City AL8 7JU
Received 11 Sept 2017
DecidedN6/2009/1288/TE
REMOVAL OF TWO LOMBARDO POPLAR TREES IN REAR GARDEN
22 MARSDEN ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XZ
Received 24 Jun 2009
Decided - Refused6/2020/3237/VAR
Remove condition 13 from planning permission S6/0135/99/FP to undertake deliveries 24-hours a day
Asda Superstore 98 Town Centre Hatfield AL10 0JW
Received 3 Dec 2020
Decided - Refused6/2020/2028/PN8
Prior approval for the erection of a single storey rear extension measuring 8m in depth, 2.5m in height and 2.5m to the eaves.
22 The Avenue Welwyn AL6 0PP
Received 10 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