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

40,146Searchable applications

300Recorded as pending

86%Approval rate · 33,676 approved or refused records

4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 2 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 Counts reflect the last collected status; some records may be out of date.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

Appeal Decided - DismissedS6/2008/0413/FP
CHANGE OF USE OF AGRICULTURAL LAND FOR THE STATIONING OF A MOBILE HOME FOR RESIDENTIAL USE
WINDMILL FARM, PONSBOURNE PARK, NEWGATE STREET, HERTFORD, HERTFORDSHIRE, SG13 8QU
Received 13 Mar 2008
Decided - Refused6/2016/0950/HOUSE
Erection of two storey side and single storey rear extensions
10 Breakmead, Welwyn Garden City, AL7 3HG
Received 16 May 2016
Decided6/2018/0152/TPO
Fell 1 x Conifer tree - Conservation Area
19 Mandeville Rise Welwyn Garden City AL8 7JT
Received 16 Jan 2018
Decided6/2024/0158/TC
Fell 1 x ash
8 Walden Place Welwyn Garden City AL8 7PG
Received 29 Jan 2024
Decided - Withdrawn6/2024/0182/HOUSE
Erection of front boundary wall, railings, piers and installation of entrance gate
23A The Ridgeway Cuffley Potters Bar EN6 4BB
Received 30 Jan 2024
Decided - Refused6/2020/1288/EM
Erection of conservatory
40 Mill Green Road Welwyn Garden City AL7 3XF
Received 8 Jun 2020
Decided - GrantedC6/1988/0627/FP
Single storey extension for use as paint store
Bessemer Road, Welwyn Garden City
Received 1 Jan 1988
Appeal Decided - Dismissed6/2017/2513/FULL
Conversion of existing ground floor (Class A3) restaurant to form two (2xbed) flats (Class C3) including part demolition and extension at ground and first floor (rear) with associated external alterations.
33-34 Salisbury Square Hatfield AL9 5AF
Received 31 Oct 2017
Decided - RefusedS6/2004/0990/FP
ERECTION OF TREE HOUSE AT REAR GARDEN.
46 Brookmans Avenue Brookmans Park Hatfield AL9 7QJ
Received 30 Jun 2004
Decided - Granted6/2025/1100/HOUSE
Erection of a first floor rear extension and outbuilding
5 Somers Square Welham Green Hatfield AL9 7PS
Received 9 Jun 2025
Decided - GrantedS6/2014/2339/FP
Replacement of conservatory roof
77 The Ridgeway, Cuffley, Potters Bar, EN6 4BD
Received 23 Oct 2014
Decided - Granted6/2016/2064/TPO
To reduce back to previous pruning points lime trees T3, T5 and T6; to remove all epicormics growth from the base of the stems of lime trees T3, T5, T6, T8, T10, T11, T12 and T13; and crown lift to 2.5m horse chestnut trees T2, T4, T7 and T9 covered by TPO 222 (1998)
Hatfield Community Free School Briars Lane Hatfield AL10 8ES
Received 5 Oct 2016
Decided - Granted6/2018/2039/EM
Erection of single storey rear extension
54 Howlands Welwyn Garden City AL7 4RE
Received 2 Aug 2018
Decided - GrantedW6/2004/0607/EM
ERECTION OF A REAR/SIDE EXTENSION
14 Sherrardspark Road, Welwyn Garden City, AL8 7JP
Received 26 Apr 2004
Decided - Refused6/2015/1651/LAWE
Certificate of lawfulness for the existing use of storage and servicing of road sweepers
Go Plant Ltd Martinfield Welwyn Garden City AL7 1JG
Received 4 Aug 2015
Decided - GrantedW6/2014/1795/EM
Erection of shed in rear garden
3 Drycroft, Welwyn Garden City, AL7 4DH
Received 12 Aug 2014
Decided - Granted6/2026/0132/EMT
Corkscrew Willow to reduce by 2.5m height and 1.5m width
8 Homerfield Welwyn Garden City AL8 6QZ
Received 27 Jan 2026
Decided - GrantedN6/2005/1270/FP
INSTALLATION OF CCTV CAMERA, MOUNTED ON 6M COLUMN
LAND AT JUNCTION OFF, WIGMORES NORTH, AND HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE
Received 6 Oct 2005
Decided - Granted6/2022/2546/HOUSE
Amendment to front boundary fencing to improve visibility splays and replacement of rear fence
6A Homestead Road Hatfield AL10 0QL
Received 7 Nov 2022
Decided - Refused6/2019/2930/HOUSE
Erection of detached garage and associated works
Osborne House Osborne Road Little Heath Potters Bar EN6 1SE
Received 21 Nov 2019
Decided - Granted6/2019/2280/EIA
Screening opinion for Minster House
Minster House Minster Close Minster House AL10 9JN
Received 13 Sept 2019
Appeal Decided - DismissedS6/2007/1466/FP
ERECTION OF FOUR DETACHED DWELLINGS
LAND AT, 2 HILL RISE, 54, 56 & 58 PLOUGH HILL, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4EE
Received 2 Oct 2007
Decided - Granted6/2023/0430/COND
Submission of details pursuant to condition 2 (material sample), on planning permission 6/2022/1593/FULL.
16 Bell Lane Hatfield AL9 7AY
Received 24 Feb 2023
Decided - GrantedN6/2004/0326/FP
PROPOSED NEW WINDOWS TO SOUTH FLANK WALL
CHESTMINSTER LTD Bridgefields Welwyn Garden City AL7 1RX
Received 4 Mar 2004

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