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

40,154Searchable applications

303Recorded as pending

86%Approval rate · 33,678 approved or refused records

4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/1010/FULL
Conversion of existing single dwelling into two dwellings
2 De Havilland Close Hatfield AL10 0DR
Received 5 May 2020
Decided - RefusedS6/2008/0685/FP
ERECTION OF SINGLE STOREY REAR EXTENSION
3 WHITEGATE COTTAGES, GREAT BRAITCH LANE, HATFIELD, HERTFORDSHIRE, AL10 9BG
Received 5 Apr 2008
Decided - Refused6/2021/0243/EM
Formation of vehicle hardstanding
24 Springfields Welwyn Garden City AL8 6XP
Received 26 Jan 2021
Decided - Granted6/2021/2613/HOUSE
Erection of a first floor rear extension
105 Howlands Welwyn Garden City AL7 4RL
Received 8 Sept 2021
Decided - Granted6/2017/0230/EM
Removal of fir tree located in rear garden
8 Bushey Ley Welwyn Garden City AL7 3HW
Received 8 Feb 2017
Decided - GrantedW6/2008/1676/EM
RAISING THE ROOF OF EXISTING GARAGE AND INFILL EXTENSION BETWEEN GARAGE AND DWELLING, CONVERSION OF GARAGE INTO HABITABLE ACCOMMODATION AND ALTERATIONS TO GARAGE ELEVATION
50 WOODHALL LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3TF
Received 23 Aug 2008
Decided - WithdrawnS6/2015/0677/OP
Outline application for the change of use from vacant land to residential C3 (Dwellinghouses) use
25 Chantry Lane Hatfield AL10 9HS
Received 25 Mar 2015
Decided - Granted6/2021/0740/HOUSE
Erection of a single storey side extension and alterations to fenestration
102 Handside Lane Welwyn Garden City AL8 6SY
Received 8 Mar 2021
Decided - Refused6/2019/1615/TPO
Fell 1x Corsican Pine (TPO 450 T183)
9 Reeves Court Welwyn
Received 2 Jul 2019
Decided - GrantedS6/2013/0733/NM
Non material amendment following approval of planning permission S6/2012/1790/S73B - Amendments to apartment block
Former Veolia Waterworks, Bishops Rise, HATFIELD, AL10 9HJ
Received 12 Apr 2013
Decided - Granted6/2017/1059/TPO
Removal of two Hawthorn trees - Conservation Area
4 Mannicotts Welwyn Garden City AL8 7BW
Received 15 May 2017
Decided - Granted6/2021/3215/HOUSE
Erection of a single storey rear conservatory and raising roof of existing extension
22 Fearnley Road Welwyn Garden City AL8 6HW
Received 10 Nov 2021
Decided6/2024/0184/TC
Reduce 1 x Ash crown by 4m.
Flat 1 19 Meadow Green Welwyn Garden City AL8 6SS
Received 30 Jan 2024
Decided - Granted6/2016/0498/TPO
Removal of broken Oak tree branch covered by TPO 411 - Dead and Dangerous application
117 Handside Lane, Welwyn Garden City, AL8 6TA
Received 29 Mar 2016
Decided - GrantedS6/2014/1895/FP
Change of use of land to car washing, valeting (sui generis), works to include erection of a canopy
Ramada Hatfield St Albans Road West Hatfield AL10 9RH
Received 18 Sept 2014
Decided - GrantedN6/2004/0752/FP
ERECTION OF TWO STOREY OFFICE BUILDING AND ASSOCIATED CAR PARKING FOLLOWING DEMOLITION OF EXISTING BUILDING
23 Burrowfield
Received 24 May 2004
Decided - GrantedN6/2009/0324/FP
RETENTION OF SUMMERHOUSE/STORAGE SHED IN FRONT GARDEN
16 Turpins Chase Welwyn AL6 0RA
Received 16 Feb 2009
Decided - GrantedN6/2004/0404/FP
ERECTION OF A SINGLE STOREY REAR EXTENSION
60 Little Thistle Welwyn Garden City AL7 4AE
Received 22 Mar 2004
Decided - Granted6/2018/2653/COND
Submission of details pursuant to condition 1 (Archaeological Written Scheme) on planning application 6/2018/1932/HOUSE
5 Hawbush Rise Welwyn AL6 9PZ
Received 16 Oct 2018
Decided - Refused6/2022/2492/FULL
Retention of metal fence to front of property
Millwards House Great North Road Hatfield AL9 5SD
Received 31 Oct 2022
Decided - GrantedW6/2004/0466/EM
ERECTION OF SINGLE STOREY REAR EXTENSION
74 Parkway, Welwyn Garden City, AL8 6HH
Received 25 Mar 2004
Decided - GrantedS6/2007/0573/FP
PROPOSED LOCATION OF A TEMPORARY MOBILE FREEZER UNIT
Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA
Received 4 Apr 2007
Decided - GrantedN6/2005/1478/FP
ERECTION OF REAR CONSERVATORY
53 Woodland Rise Welwyn Garden City AL8 7LJ
Received 30 Nov 2005
Appeal Decided - Allowed6/2018/1266/HOUSE
Erection of a two storey rear and part side extension, garage conversion, rear balcony and alterations to fenestrations
4 Hurst Close Welwyn Garden City AL7 2HX
Received 14 May 2018

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