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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 31 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2026/1021/COND
Submission of details pursuant to Condition 9 (Drainage) on planning permission 6/2023/1352/VAR
Land to the north east of King George V Playing Fields Northaw Road East Hertfordshire EN6 4RD
Received 10 Jun 2026
Decided - Granted6/2022/2321/HOUSE
Retention of open pergola, covered area, driveway timber gates
106 Eddington Crescent Welwyn Garden City AL7 4SQ
Received 5 Oct 2022
Decided - Granted6/2024/0247/VAR
Variation of condition 2 (approved plans) on planning permission 6/2023/1006/HOUSE
44 Mill Lane Welwyn AL6 9ET
Received 6 Feb 2024
Decided - GrantedN6/2006/0657/FP
ERECTION OF A SINGLE STOREY REAR EXTENSION
42 Barnfield Road Welwyn Garden City AL7 3TQ
Received 24 May 2006
Decided - GrantedS6/2008/0296/AD
INSTALLATION OF INTERNALLY ILLUMINATED FASCIA SIGN
HOWE DELL SCHOOL, THE RUNWAY, HATFIELD, HERTFORDSHIRE, AL10 9AH
Received 14 Feb 2008
Decided - Granted6/2022/0999/HOUSE
Erection of a part two storey side & part two storey rear extension following removal of conservatory
3 Timbercroft Welwyn Garden City AL7 1NS
Received 27 Apr 2022
Decided - GrantedN6/2013/1763/LB
Alterations to rear elevation and division of existing utility room
The Coach House Digswell Place, Rectory Road, Welwyn Garden City, AL8 7SU
Received 13 Aug 2013
Decided - Granted6/2019/2920/HOUSE
Erection of front porch and single storey rear extension
87 Maryland Hatfield AL10 8DS
Received 20 Nov 2019
Decided - RefusedN6/2014/0841/HH
Prior notification for erection of single storey rear extension
16 Great Break, Welwyn Garden City, AL7 3EZ
Received 24 Apr 2014
Decided - Granted6/2016/0775/LAWP
Certificate of lawfulness for the proposed erection of single storey rear extension
7 Bunnsfield, Welwyn Garden City, AL7 2DZ
Received 19 Apr 2016
Decided - GrantedN6/2005/1453/FP
REPLACEMENT SHOPFRONT FOR EXISTING SALON.
45 Cole Green Lane Welwyn Garden City AL7 3PS
Received 23 Nov 2005
Decided - GrantedW6/2007/0172/EM
ERECTION OF SINGLE STOREY REAR EXTENSION AND NEW GARAGE DOOR
121 Handside Lane, Welwyn Garden City, AL8 6TA
Received 1 Feb 2007
Decided - Withdrawn6/2022/2369/EMT
1 x Holly to reduce by 2m in height, cut back overhanging branches by 1m
104 Parkway Welwyn Garden City AL8 6HL
Received 12 Oct 2022
Decided - GrantedW6/2007/0276/EM
INTALLATION OF TWO VELUX WINDOWS TO REAR ROOF ELEVATION
22 Newfields, Welwyn Garden City, AL8 6YT
Received 19 Feb 2007
Decided - Granted6/2024/1994/COND
Submission of details pursuant of condition 1 (materials) on planning permission 6/2024/1106/LB
56 Bell Lane Hatfield AL9 7AY
Received 16 Oct 2024
Decided - Granted6/2016/1210/TPO
Removal of Bay tree located in rear garden - Conservation Area
47 Handside Lane, Welwyn Garden City, AL8 6SH
Received 10 Jun 2016
Decided - GrantedW6/2014/1893/EM
Replacement front door
2 Sheepcote, Welwyn Garden City, AL7 4QD
Received 14 Aug 2014
Decided - Granted6/2026/0232/EMT
T1 x Cherry plum to reduce overlong branches by around 1.5m, lift to around 3m above ground level. Remove around 25% of water shoots from within canopy T1 x Crab apple to reduce by around 2m height and 1.2m width over lawn area, reduce section of neighbouring garden by 1.5m
142 Parkway Welwyn Garden City AL8 6HP
Received 9 Feb 2026
Decided - Refused6/2018/0399/HOUSE
Erection of a two storey side extension
3 Hornbeam Lane Brookmans Park Hatfield AL9 6JF
Received 6 Feb 2018
Decided - Granted6/2016/1022/FULL
Change of use from recruitment agency (A2) to health and beauty therapy salon
21A Wigmores North, Welwyn Garden City, AL8 6PG
Received 23 May 2016
Decided - GrantedS6/2009/2085/MA
ERECTION OF A GENERAL PURPOSE STORAGE BARN WITH PERMEABLE HARD STANDING AND LANDSCAPING
SPARROW FARM, NEWGATE STREET VILLAGE, HERTFORD, HERTFORDSHIRE, SG13 8RG
Received 16 Sept 2009
Decided - Granted6/2024/2055/EM
Erection of a single storey rear extension, installation of a rear bay window, partial conversion of existing garage/ outbuilding into a habitable room, installation of two roof light into the rear roof
18 Barleycroft Road Welwyn Garden City AL8 6JU
Received 24 Oct 2024
Decided - Refused6/2016/1682/EM
Erection of first floor rear extension and alterations to openings
16 Daniells, Welwyn Garden City, AL7 1PZ
Received 15 Aug 2016
Decided - Granted6/2017/1299/HOUSE
Erection of two storey side and rear extension
8 Vine Close Welwyn Garden City AL8 7PS
Received 14 Jun 2017

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