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

39,910Searchable applications

298Recorded as pending

86%Approval rate · 33,461 approved or refused records

4,783Refused applications

28,678 approved · 4,783 refused · 2,192 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2014/2325/FP
Erection of a new dwelling following demolition of existing garage
Land to the rear of, 209 St Albans Road West, Hatfield, AL10 0SZ
Received 21 Oct 2014
Decided - Refused6/2024/1961/COND
Submission of details pursuant of condition 1 (Arboricultural Statement and Tree Protection) on planning permission 6/2024/0944/HOUSE
34 The Ridgeway Cuffley Potters Bar EN6 4AX
Received 11 Oct 2024
Decided - Granted6/2019/1071/EM
Erection of a part single, part first floor side extension and part single, part two storey rear extension, granny annexe for ancillary use following demolition of existing garage.
1 Hall Grove Welwyn Garden City AL7 4PJ
Received 3 May 2019
Decided - Granted6/2017/2735/EM
Replacement front door
9 Pitsfield Welwyn Garden City AL8 7SJ
Received 23 Nov 2017
Decided - Withdrawn6/2019/3052/HOUSE
Erection of two storey side extension and single storey rear extension following demolition of existing garage and single storey rear extension with alterations to openings
581 Howlands Welwyn Garden City AL7 4HT
Received 2 Dec 2019
Decided - RefusedW6/2007/1078/EM
ERECTION OF PART TWO STOREY, PART SINGLE STOREY SIDE AND REAR EXTENSIONS
15 Barleycroft Road, Welwyn Garden City, AL8 6JX
Received 17 Jul 2007
Decided - GrantedW6/2008/1996/EM
ERECTION OF LOG CABIN IN REAR GARDEN
33 REDDINGS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LA
Received 17 Oct 2008
Decided - Granted6/2026/0709/EM
Replacement of existing broken garage door with new georgian style white wood effect steel sectional door. No changes to door opening size or elevations
3 Woodland Rise Welwyn Garden City AL8 7LE
Received 21 Apr 2026
Decided - Withdrawn6/2018/1736/LAWE
Certificate of lawfulness for the installation of rear covered area with hardstanding
11 The Moors Welwyn Garden City AL7 1QR
Received 2 Jul 2018
Decided - Refused6/2017/2889/EM
Re-landscaping of existing hard standing including works to hedgerow.
69 Woodhall Lane Welwyn Garden City AL7 3TG
Received 12 Dec 2017
Decided - GrantedW6/2014/2672/EM
Formation of hardstanding
8 Marsden Green, Welwyn Garden City, AL8 6YA
Received 11 Dec 2014
Decided - Split6/2017/1261/COND
Submission of details pursuant to condition 2 (materials) on planning permission 6/2016/1646/FULL dated 19/12/2016
Great Nast Hyde House Wilkins Green Lane Hatfield AL10 9RB
Received 9 Jun 2017
Decided - Granted6/2025/0340/EM
Driveway extension
108 Mill Green Road Welwyn Garden City AL7 3XE
Received 24 Feb 2025
Decided - Granted6/2024/0572/EM
Erection of single storey rear extension
116 Sweet Briar Welwyn Garden City AL7 3EA
Received 22 Mar 2024
Decided - Granted6/2016/0074/HOUSE
Erection of single storey rear extension with 2 roof lanterns following the demolition of existing conservatory
2 Thrush Lane, Cuffley, Potters Bar, EN6 4JT
Received 18 Jan 2016
Decided - Granted6/2025/0782/EM
Erection of outbuilding
11 Crookhams Haldens Welwyn Garden City AL7 1PG
Received 25 Apr 2025
Decided - Granted6/2022/0567/EMH
Demolition of porch and erection of new porch and WC
103 Mount Way Welwyn Garden City AL7 4LA
Received 10 Mar 2022
Decided6/2023/1686/TC
1 x Variegated Holly to cut to ground level as the tree is in decline
26 Sheepcote Welwyn Garden City AL7 4QD
Received 11 Aug 2023
Decided - Granted6/2018/2360/EM
Installation of solar photovoltaic panels to rear of pitched roof
314 Knightsfield Welwyn Garden City AL8 7NQ
Received 14 Sept 2018
Decided - Granted6/2024/0852/HOUSE
Erection of two storey front extension with insertion of new window and door to side elevations
16 Starling Lane Cuffley Potters Bar EN6 4JX
Received 7 May 2024
Decided - GrantedN6/2014/2635/TC
Reduce row of Cypress trees by 33%
WOODSIDE HOUSE, 69 - 106 Bridge Road, Welwyn Garden City, AL8 6UL
Received 5 Dec 2014
Decided - Granted6/2020/1062/TPO
Reduce 1x Oak Tree [T23] by 20% Covered by TPO 525
Old Rectory Drive Hatfield AL10 8BL
Received 12 May 2020
Decided - GrantedW6/2006/0456/EM
ERECTION OF TWO STOREY AND SINGLE STOREY SIDE EXTENSION
76 Herns Lane, Welwyn Garden City, AL7 2AH
Received 6 Apr 2006
Decided - Granted6/2021/2461/LAWP
Certificate of lawfulness for an extension to the roof of less than 50m³ in line with the General Permitted Development Order.
34 Fulling Mill Lane Welwyn AL6 9NS
Received 23 Aug 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