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

40,250Searchable applications

321Recorded as pending

86%Approval rate · 33,746 approved or refused records

4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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

Decided6/2019/1850/TC
Reduce 2 x Lime trees by 33%
6 Dognell Green Welwyn Garden City AL8 7BL
Received 29 Jul 2019
Decided - GrantedN6/2004/1622/TP
WORK TO TREE, T12 HORNBEAM COVERED BY TPO 99
5 Juniper Gardens Welwyn AL6 0XH
Received 2 Nov 2004
Decided - RefusedN6/2014/1362/FP
Erection of first floor side extension
31 Digswell Road, Welwyn Garden City, AL8 7PB
Received 16 Jun 2014
Decided - Refused6/2024/1265/COND
Submission of details pursuant of condition 3 (gully catchment plan), 4 (cycleway link details), 5 (street furniture details) on planning permission 6/2022/0356/RM
Land south-west of Filbert Close Hatfield AL10 9SH
Received 5 Jul 2024
Decided - Refused6/2017/2201/HOUSE
Installation of rear dormer window to facilitate loft conversion
79 Homestead Road Hatfield AL10 0QP
Received 28 Sept 2017
Decided - Granted6/2016/1434/EM
T1 Betula pendula - Crown thin by 20% plus T2 Prunus cerasifera - Crown reduce by 2m to reduce loading on weak branch unions and reduce risk of failure
122 Sweet Briar, Welwyn Garden City, AL7 3EA
Received 7 Jul 2016
Decided - GrantedS6/2014/0917/FP
Erection of single storey side and rear extension, two storey front extension and alterations to front porch
8 Bradgate Close, Cuffley, Potters Bar, EN6 4RF
Received 22 Apr 2014
Decided - Granted6/2024/1067/HOUSE
Erection of single storey side and rear extension and addition of a side alleyway with access gates following the demolition of the existing garage
8 Cole Green Lane Welwyn Garden City AL7 3PW
Received 10 Jun 2024
Decided - Split6/2022/2355/COND
Submission of details pursuant to condition 7 (A off site highway improvement works and B approved plans) on planning permission 6/2021/2260/FULL
Stadium Service Station Stanborough Road Welwyn Garden City AL8 6XA
Received 10 Oct 2022
Decided - GrantedW6/2007/0374/EM
PART REMOVAL OF SIDE BOUNDARY HEDGE AND ERECTION OF FENCE
9 Great Ley, Welwyn Garden City, AL7 4TJ
Received 6 Mar 2007
Decided - GrantedS6/2009/1300/FP
ERECTION OF REAR CONSERVATORY
39 THE GROVE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7RL
Received 17 Jun 2009
Decided - Refused6/2024/0620/EM
Erection of a single storey rear extension, part two storey side extension and front porch
31 Marsden Green Welwyn Garden City AL8 6YD
Received 29 Mar 2024
Decided - GrantedN6/2015/0462/FP
Erection of single storey front extension, part two storey and part single storey rear extensions and alterations to vehicle hard standing
133 The Vineyard, Welwyn Garden City, AL8 7PX
Received 4 Mar 2015
Decided - GrantedW6/2013/2657/TE
Reduce group of Ash and Elder trees to 3ft, reduce Fig tree, Cherry tree, Magnolia tree, Bay tree and Sweet Chestnut tree crowns by 20% also reduce Mulberry bush crown by 40%, Laurel bush by 2 metres plus fell Willow tree, 2 Conifer trees and a Bamboo tree
11 & 12 The Pastures, Welwyn Garden City, AL7 4PX
Received 16 Dec 2013
Decided - Granted6/2025/2615/EM
Addition of porch
112 The Vineyard Welwyn Garden City AL8 7PU
Received 23 Dec 2025
Decided - Granted6/2017/2526/EM
1 x Macracarpa to fell to ground level, 1 x Pine to reduce by 1.5m height & 1m width, 1 x Cherry to reduce back over patio by 1.5m and 1 x field maple to lift over footpath by 3m
183 Howlands Welwyn Garden City AL7 4RL
Received 1 Nov 2017
Decided - Granted6/2024/0019/EM
Erection of single storey rear extension with insertion of rooflights, garage conversion and alterations to openings to side elevation
20 Coltsfoot Welwyn Garden City AL7 3HZ
Received 3 Jan 2024
Decided - Granted6/2019/2606/MAJ
Erection of stable block, erection of new fencing and gates to frontage following removal of existing gates, and laying of hard-surfacing for vehicle access, all in association with change of use of land from agriculture to riding and grazing of horses for personal leisure use
The Bellbrook, Bulls Lane, Hatfield, AL9 7AZ
Received 14 Oct 2019
Decided - Granted6/2016/1888/TPO
Removal of Laurel stump - Conservation Area
46 Brockswood Lane, Welwyn Garden City, AL8 7BG
Received 14 Sept 2016
Decided - Granted6/2021/0992/EMH
Formation of hardstanding to front of the property
58 Lemsford Lane Welwyn Garden City AL8 6YJ
Received 25 Mar 2021
Decided - Granted6/2021/3548/HOUSE
Erection of part single, part two storey rear extension and front porch
46 Bishops Rise Hatfield AL10 9HH
Received 23 Dec 2021
Decided - Granted6/2021/1260/HOUSE
Erection of first floor side to rear extension
51 Pooleys Lane Welham Green Hatfield AL9 7LG
Received 19 Apr 2021
Decided - GrantedW6/2007/0384/EM
ERECTION OF SHED/WORKSHOP AT REAR OF GARDEN
5 Meadway, Welwyn Garden City, AL7 4NQ
Received 7 Mar 2007
Decided6/2020/3036/TC
1 x Maple to reduce by 1.5m height & 2m width
160 Howlands Welwyn Garden City AL7 4RG
Received 17 Nov 2020

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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