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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 1 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2004/0779/FP
SINGLE STOREY EXTENSION TO GARAGE.
18 The Shaws Welwyn Garden City AL7 2HR
Received 5 Jul 2004
Decided - WithdrawnW6/2008/0803/EM
ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS
3 LONGCROFT GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EP
Received 23 May 2008
Decided - Granted6/2025/2034/HOUSE
Erection of a front porch and conversion of the existing garage to a storage room.
8 Bluebell Way Hatfield AL10 9FJ
Received 23 Sept 2025
Decided - WithdrawnS6/2014/0391/LUP
Certificate of lawfulness for erection of single storey rear extension
5 Chester Close, Little Heath, Potters Bar, EN6 1DT
Received 21 Feb 2014
Decided - GrantedW6/2013/2459/EM
Alterations to front garden to incorporate landscaping
10 High Oaks Road, Welwyn Garden City, AL8 7BH
Received 14 Nov 2013
Decided - GrantedS6/2007/1228/FP
SINGLE STOREY SIDE AND REAR EXTENSION, RELOCATION OF SINGLE GARAGE AND ALTERATIONS TO FENESTRATION
146 Brookside Crescent Cuffley Potters Bar EN6 4QL
Received 15 Aug 2007
Appeal Decided - Dismissed6/2022/1735/HOUSE
Erection of garden room/store
Digswell Bridge Digswell Lane Welwyn AL6 0SW
Received 25 Jul 2022
Decided - Granted6/2024/0673/EM
Installation of 9 solar panels on rear roof, 9 solar panels on garage roof below parapet, and electric vehicle charging point
38 High Oaks Road Welwyn Garden City AL8 7BS
Received 9 Apr 2024
Decided - GrantedN6/2004/0695/FP
TWO STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSION.
32 Valley Road Welwyn Garden City AL8 7DN
Received 10 May 2004
Decided - Refused6/2023/0422/PN15
15m high slim-line monopole, supporting 3 no. antennas, 3 no. equipment cabinets and ancillary development thereto
Digswell Road Knightsfield Welwyn Garden City AL8 7HZ
Received 23 Feb 2023
Decided - Granted6/2022/0183/HOUSE
Installation of seven rooflights
Monkswell The Ridgeway Cuffley Potters Bar EN6 4BH
Received 26 Jan 2022
Decided - Granted6/2016/1160/HOUSE
Erection of single storey rear extension and single storey side/rear extension
10 Raymonds Close, Welwyn Garden City, AL7 4TH
Received 13 Jun 2016
Decided - Granted6/2018/2241/FULL
Erection of an ancillary Vehicle Maintenance Unit to serve the existing distribution unit
Ocado Ltd Gypsy Moth Avenue Hatfield AL10 9BD
Received 31 Aug 2018
Decided - Granted6/2015/2126/HOUSE
Conversion of garage into living accommodation, single storey front and side extensions involving new garage, first floor front extension.
1 Glebe Road Welwyn AL6 9PB
Received 13 Oct 2015
Decided - Granted6/2025/1034/EM
Erection of a single and two storey side and rear extension with garage conversion
5 The Lawns Welwyn Garden City Hertfordshire AL8 7HU
Received 2 Jun 2025
Decided - Granted6/2020/2061/EMT
Reduce 1 x Ash, 2 stems growing over left boundary by 2m
32 Great Ganett Welwyn Garden City AL7 3DE
Received 14 Aug 2020
Decided - GrantedS6/2014/2514/FP
Erection of a single storey side extension
43 Talbot Road, Hatfield, AL10 0RA
Received 17 Nov 2014
Decided - Refused6/2020/2308/LAWP
Certificate of lawfulness for the erection of a detached pool house.
99 The Ridgeway Cuffley Potters Bar EN6 4BG
Received 9 Sept 2020
Decided - Granted6/2018/0093/LAWP
Certificate of lawfulness for the installation of rear dormer and two front roof lights to facilitate loft conversion and replacement of rear windows
61 Northaw Road West Northaw Potters Bar EN6 4NP
Received 11 Jan 2018
Decided - Granted6/2018/1955/COND
Submission of details pursuant to condition 5 (surface water drainage scheme) on planning permission 6/2017/0547/FULL and 6/2018/0633/VAR
Land adjacent to 82 Great North Road Welwyn AL6 0TA
Received 25 Jul 2018
Decided - RefusedN6/2007/0679/FP
INSTALLATION OF A SOLAR PANEL TO FRONT ROOF ELEVATION (RETROSPECTIVE APPLICATION)
58 Kirklands Welwyn Garden City AL8 7RD
Received 1 May 2007
Decided - GrantedN6/2014/2478/TC
Re pollard Lime tree back to previous pruning points
11 The Old Drive, Welwyn Garden City, AL8 6TB
Received 13 Nov 2014
Decided - Granted6/2023/1963/FULL
Change of use from café (Class E) into a one bedroom dwelling (Class C3) with alterations to fenestration
25 Park Street Hatfield AL9 5AT
Received 25 Sept 2023
Decided - Withdrawn6/2021/2266/PN8
Prior approval for the erection of a first floor rear extension measuring 3m in depth, 7.7m in height, 5.2m to the eaves.
105 Howlands Welwyn Garden City AL7 4RL
Received 28 Jul 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