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

40,297Searchable applications

284Recorded as pending

86%Approval rate · 33,821 approved or refused records

4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2514/HOUSE
Erection of single storey front extension, two storey side extension and a single storey rear extension to wrap around with the ground floor extension, plus erection of garage following demolition of existing garage
7 Elm Drive Hatfield AL10 8NR
Received 31 Oct 2017
Decided - WithdrawnN6/2004/1516/FP
INSTALLATION OF 5M LIGHTING COLUMNS TO GARAGE FORECOURTS
Garages 1-16 at Stuart Road Welwyn AL6 9JL
Received 8 Oct 2004
Decided - Withdrawn6/2021/1989/VAR
Variation of condition 30 (energy and ventilation strategy), on planning permission 6/2021/2431/MAJ
Link Drive Car Park Link Drive Hatfield AL10 8TY
Received 30 Jun 2021
Decided - Withdrawn6/2020/0284/FULL
Installation of waste and recycling storage units
22 Briars Lane Hatfield AL10 8ER
Received 28 Jan 2020
Decided - GrantedN6/2014/1711/FP
Erection of single storey rear extension and conversion of attached outbuilding
2 Stanborough Green, Welwyn Garden City, AL8 6XG
Received 29 Jul 2014
Decided - GrantedN6/2007/1095/FP
ALTERATIONS TO ROOF TO CREATE LARGER FIRST FLOOR ACCOMODATION
17 Woodland Way Welwyn AL6 0RZ
Received 23 Jul 2007
Appeal Decided - DismissedS6/2014/2378/FP
Change of use from dwelling (class C3) to House in Multiple Occupation (class C4)
9 Freemans Acre Hatfield AL10 9JJ
Received 28 Oct 2014
Decided - GrantedS6/2008/0667/FP
RETENTION OF PART OF 2 METRE HIGH NORTHEAST BOUNDARY TIMBER FENCE
The Lodge The Drive Brookmans Park Hatfield AL9 7BD
Received 2 Apr 2008
Decided - Refused6/2019/2631/EM
Erection of front porch, formation of hardstanding and soft landscaping
87 Uplands Welwyn Garden City AL8 7EH
Received 21 Oct 2019
Decided - Granted6/2026/0811/HOUSE
Erection of a single storey rear extension, first floor front extension and a double storey front extension with portico porch and raising the roof to accommodate a roof conversion consisting of 3 no. roof-lights to the front elevation and two dormers to the rear elevation
114 Tolmers Road Cuffley Potters Bar EN6 4JR
Received 8 May 2026
Decided - WithdrawnN6/2004/1501/FP
INSTALLATION OF 5M LIGHTING COLUMNS TO GARAGE FORECOURTS
GARAGES AT, 37-76 BROOMHILLS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1RD
Received 8 Oct 2004
Decided - Granted6/2020/2279/COND
Submission of details pursuant to condition 36 (surface water drainage scheme) on planning permission 6/2017/1641/MAJ
Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB
Received 7 Sept 2020
Decided - WithdrawnN6/2014/0826/FP
Formation of concrete access road and area of hardstanding
Land at, Spinney Lane, Welwyn, AL6 9TB
Received 15 Apr 2014
Decided - WithdrawnS6/2015/0166/FP
Erection of two storey extension and loft extension
8 Endymion Road Hatfield AL10 8AS
Received 27 Jan 2015
Decided - GrantedS6/2015/0427/FP
Erection of new porch with WC following demolition of old porch
58 Cecil Crescent Hatfield AL10 0HG
Received 4 Mar 2015
Decided - Refused6/2020/3421/LAWP
Certificate of lawfulness for the construction of a new booster pumping station housed in a kiosk (measuring 4m x 3m x 2.4m less than 29m3) and associated works, including construction of concrete plinth for kiosk.
Mill Green Lodge Green Bush Hall Lane Hatfield AL9 5PA
Received 22 Dec 2020
Decided - Refused6/2017/2022/HOUSE
Erection of a two storey side extension and part two-storey, part single storey rear extension, and raised terrace and steps at rear.
5 Hawbush Rise Welwyn AL6 9PZ
Received 11 Sept 2017
Decided - GrantedN6/2015/0088/FP
Garage conversion
10 Gresley Close, Welwyn Garden City, AL8 7QB
Received 19 Jan 2015
Decided - Granted6/2021/1625/EM
Resurfacing of driveway. Like-for-like replacement windows. New front door.
20 Barnfield Road Welwyn Garden City AL7 3TQ
Received 20 May 2021
Decided - Granted6/2018/2155/FULL
Demolition of existing dwelling and erection of new five bedroom detached dwelling with attached garage and associated driveway
10 Mannicotts Welwyn Garden City AL8 7BW
Received 20 Aug 2018
Decided - RefusedN6/2007/0313/FP
TWO STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSION .
5 Mandeville Rise Welwyn Garden City AL8 7JT
Received 27 Feb 2007
Decided - Refused6/2018/0581/OUTLINE
Outline application for 18 detached dwellings with all matters reserved
Firs Farm Stables Woodside Lane Hatfield AL9 6DF
Received 28 Feb 2018
Decided - Granted6/2022/0010/FULL
Erection of 3 x 2 storey, 2-bed dwellings, 1 x 2 storey, 3-bed dwelling and 1 x 1-bed bungalow with associated landscaping works and parking
Garages Lockley Crescent and Drovers Way Hatfield AL10 0TL
Received 5 Jan 2022
Decided - Granted6/2021/0853/EMH
Erection of new outbuilding
23 Longcroft Lane Welwyn Garden City AL8 6EB
Received 16 Mar 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