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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - RefusedN6/2013/1718/DS
Discharge of conditions 3 (materials), 5 (tree protection methods) of planning permission N6/2013/0242/FP -Erection of two storey side extension
36 Woodland Rise, WELWYN GARDEN CITY, AL8 7LF
Received 6 Aug 2013
Decided - Granted6/2017/0314/EM
Crown reduce Apple (T1) Pear (T2) Cherry (T3) Apple (T4) & Plum (T5) by 25%
80 Handside Lane Welwyn Garden City AL8 6SJ
Received 17 Feb 2017
Decided - Withdrawn6/2021/1177/FULL
Erection of 2 x two-storey detached houses, associated parking and access, on the land to the rear of 52 & 54 Bridge Road.
52 & 54 Bridge Road Welwyn Garden City AL8 6UR
Received 12 Apr 2021
Decided - GrantedS6/2009/1139/DS
DISCHARGE OF CONDITION 5 (ROOF DETAILS) OF PLANNING PERMISSION S6/2008/2412/FP
65 Pine Grove, Hatfield, AL9 7BL
Received 8 Jun 2009
Decided - RefusedS6/2014/2257/DS
Approval of details reserved by condition 12 (road construction and surfacing), 13 (fencing), 14 (parking), 15 (bike and bin stores) & 16 (kissing gate) of application S6/2012/1790/S73A
Former Veolia Waterworks, Bishops Rise, Hatfield, AL10 9HJ
Received 14 Oct 2014
Decided - Granted6/2016/1266/HOUSE
Erection of first floor side extension
15 Oak Road Woolmer Green Knebworth SG3 6LS
Received 24 Jun 2016
Decided - Granted6/2020/2318/HOUSE
Erection of a single storey rear extension, partial garage conversion following demolition of existing conservatory and alterations to openings
9 Somersham Welwyn Garden City AL7 2PZ
Received 10 Sept 2020
Decided6/2022/0717/TC
Removal of poplar tree (650mm girth; 14m high) including killing of tree stump) as marked T1 on the sketch plan Proposed Tree Replacement I propose to plant a replacement native tree that will mitigate the reasons stated above. I propose a Silver Birch
168 Parkway Welwyn Garden City Hertfordshire AL8 6HZ
Received 28 Mar 2022
Decided - GrantedW6/2014/1404/EM
Formation of vehicular hardstanding
24 Four Acres, Welwyn Garden City, AL7 4NW
Received 20 Jun 2014
Decided - GrantedS6/2004/1762/FP
TWO STOREY REAR EXTENSION
61 THE MEADWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4ET
Received 30 Nov 2004
Decided - Granted6/2020/1872/LAWP
Certificate of lawfulness for hip to gable and dormer roof extensions.
89 Lemsford Road Hatfield AL10 0DZ
Received 29 Jul 2020
Decided - GrantedS6/2008/1838/DS
DISCHARGE OF CONDITION 2 (MATERIALS) OF PLANNING PERMISSION S6/2007/1351/FP
THE FOLLY, WARREN WOOD, KENTISH LANE, ESSENDON, AL9 6JQ
Received 29 Sept 2008
Decided - Granted6/2017/1791/EM
Erection of a single storey rear extension, the installation of 2 rear rooflights to facilitate loft conversion and the demolition of a chimney.
68 Woodhall Lane Welwyn Garden City AL7 3TF
Received 15 Aug 2017
Decided - Granted6/2020/0700/EM
Installation of skylights to the rear
12 Digswell Road Welwyn Garden City AL8 7PA
Received 12 Mar 2020
Decided - Granted6/2018/0212/HOUSE
Alterations to existing single storey rear extension and erection of front porch.
11 Carleton Rise Welwyn AL6 9RP
Received 23 Jan 2018
Decided - Granted6/2022/0293/OUTLINE
Outline permission for the erection of 1 x dwelling with all matters reserved
Carramore House 50 Vineyards Road Northaw Potters Bar EN6 4PD
Received 8 Feb 2022
Decided - GrantedN6/2007/1960/FP
ERECTION OF REAR CONSERVATORY
ISABEL WING DOUGLAS TILBE HOUSE, HALL GROVE, WELWYN GARDEN CITY, HERTS, AL7 4PH
Received 20 Dec 2007
Decided6/2020/3423/TC
Apple (T2) - Fell and treat stump.
24 Dellcott Close Welwyn Garden City AL8 7BD
Received 22 Dec 2020
Decided - Granted6/2020/0254/HOUSE
Erection 2 x single storey rear extensions
42 London Road Welwyn AL6 9JA
Received 29 Jan 2020
Decided - Granted6/2020/2015/EMT
1 x Oak to reduce by 30% and lift to 4.5m
17 Woodland Rise Welwyn Garden City AL8 7LJ
Received 11 Aug 2020
Decided - Granted6/2016/1953/FULL
Retention of single storey equestrian storage barn
Warrenwood Manor, Hornbeam Lane, Brookmans Park, Hatfield, AL9 6JF
Received 21 Sept 2016
Appeal Decided - DismissedW6/2013/1303/EM
New porch canopy, new window to front elevation and brick up existing window on side elevation
70 Boundary Lane, Welwyn Garden City, AL7 4DP
Received 20 Jun 2013
Decided - RefusedN6/2009/1801/TC
REMOVAL OF TWO HORNBEAM TREES.
56 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PN
Received 20 Aug 2009
Decided - Granted6/2021/1974/TPO
Fell 2 x Oak (T1 & T10) Crown reduce 1 x Oak (T9) by 30% Crown thin 6 x Oak (T2, T3, T4, T5, T6, T7, T8) by 20% and remove deadwood
51 Peplins Way Hatfield AL9 7UR
Received 29 Jun 2021

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