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

40,229Searchable applications

309Recorded as pending

86%Approval rate · 33,738 approved or refused records

4,810Refused applications

28,928 approved · 4,810 refused · 2,212 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 5 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/1060/EM
Proposed construction of part pitch roof over existing flat roof to existing garage and enlargement of rear ground floor window
41 Blakemere Road, Welwyn Garden City, AL8 7PQ
Received 18 May 2023
Decided - GrantedN6/2015/0938/DS
Approval of details reserved by condition 4 (materials), 5 (hard/soft landscaping), 6 (Construction Method Statement) and 7 (levels) of planning permission N6/2014/2741/FP
15 Wendover Drive Welwyn AL6 9LT
Received 1 May 2015
Decided - GrantedW6/2013/0960/EM
Erection of rear garden shed
34 Valley Road, WELWYN GARDEN CITY, AL8 7DN
Received 7 May 2013
Decided - Refused6/2025/2306/HOUSE
Erection of a two storey rear extension and porch following the demolition of existing conservatory
Lockleys Cottage 13A Wendover Drive Welwyn AL6 9LT
Received 30 Oct 2025
Decided - RefusedN6/2004/1710/FP
ERECTION OF TWO STOREY REAR EXTENSION
223 Heronswood Road Welwyn Garden City AL7 3JH
Received 19 Nov 2004
Decided - Granted6/2019/2589/FULL
Alterations of ATM shroud with LED halo illumination to sides and underside, alterations to shop front, shop entrance including ramp and post box, alterations to roof to facilitate HVAC units and installation of rear HVAC unit
60 Howardsgate Welwyn Garden City AL8 6BP
Received 15 Oct 2019
Decided - Granted6/2019/1838/FULL
Retention of an enclosed storage area
The Ashley Wilde Group, Emmanuel House, Travellers Close, Welham Green, Hatfield, AL9 7LD
Received 24 Jul 2019
Decided - Granted6/2020/1886/EMT
To fell 1 x Ash to ground level.
33 Thistle Grove Welwyn Garden City AL7 4AD
Received 29 Jul 2020
Decided - Granted6/2021/2165/HOUSE
Replacement porch canopy and erection of two storey rear extension
51 Hall Grove Welwyn Garden City AL7 4PQ
Received 16 Jul 2021
Appeal Decided - DismissedN6/2008/0629/MA
ERECTION OF 42 DWELLINGS COMPRISING OF 27 THREE BED HOUSES, 2 FOUR BED HOUSES, 12 TWO BED FLATS AND 1 ONE BED FLATS WITH ASSOCIATED LANDSCAPING, PARKING AND ACCESS
FORMER WELWYN FORD GARAGE, WELWYN-BY-PASS, WELWYN, HERTFORDSHIRE, AL6 9HP
Received 26 Mar 2008
Decided - GrantedW6/2014/1383/EM
Erection of ground floor rear and side infill extension
77 Longcroft Lane, Welwyn Garden City, AL8 6EL
Received 18 Jun 2014
Decided - GrantedN6/2008/0791/FP
ERECTION OF CONSERVATORY TO SIDE ELEVATION
69 Robbery Bottom Lane Welwyn AL6 0UL
Received 7 May 2008
Decided - Granted6/2016/2526/HOUSE
Erection of single storey side extension, loft conversion, installation of bay window and removal of small apple tree
1 Longcroft Lane Welwyn Garden City AL8 6EB
Received 28 Nov 2016
Decided - Granted6/2018/2616/VAR
Variation of condition 2 requiring the removal of the building, known as Kalanisi Building, by 30th November 2018 on planning permission S6/2014/1860/FP. The variation seeks to permit an extension of time requiring the removal of the building on or before 30th November 2021
Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA
Received 12 Oct 2018
Decided - Granted6/2018/0198/HOUSE
Erection of a single storey rear extension
117 Cole Green Lane Welwyn Garden City AL7 3JF
Received 22 Jan 2018
Under Consideration6/2026/1653/EM
Erection of a shed at read garden, replace rear garden gate and fencing and removing an internal Leylandii hedge
10 Handside Green Welwyn Garden City AL8 6SQ
Received 21 Sept 2026
Decided - RefusedS6/2005/1384/FP
ERECTION OF TWO STOREY REAR EXTENSION AND A REAR CONSERVATORY
22 Bramble Road Hatfield AL10 9SA
Received 7 Nov 2005
Decided - GrantedN6/2013/1203/DS
Discharge of condition 3 (materials) and 4 (hard and soft landscaping details)
27 Harmer Green Lane Digswell Welwyn AL6 0AS
Received 4 Jun 2013
Decided - GrantedN6/2015/1396/HOUSE
New raised deck within rear garden
8 Mardley Hill Welwyn AL6 0TN
Received 30 Jun 2015
Decided - GrantedS6/2014/2536/FP
Installation of two new windows and dormer window within the side elevation
2 Farm Close, Cuffley, Potters Bar, EN6 4RQ
Received 19 Nov 2014
Decided - GrantedN6/2007/0375/FP
ERECTION OF TWO STOREY REAR AND SINGLE STOREY SIDE AND REAR EXTENSIONS
82 Handside Lane Welwyn Garden City AL8 6SJ
Received 6 Mar 2007
Decided - WithdrawnS6/2015/1441/LAWE
Certificate of Lawfulness for the retention of conservatory
2 Chipmunk Chase Hatfield AL10 9GH
Received 6 Jul 2015
Decided - Granted6/2025/0321/MAJ
Detailed Planning Application for redevelopment of the former Shredded Wheat Factory site to include for demolition of some existing structures (including some Grade II Listed Buildings), and the provision of townhouses (Use Class C3), residential care accommodation for the elderly (Use Class C2) with associated communal facilities, Build to Rent accommodation (Use Class C3) with associated communal facilities, an aparthotel (Use Class C1), a retail and cycle hub unit (Use Classes E and Sui Generis), and the change of use of remaining existing retained buildings to retail, commercial and leisure uses (Use Classes E, F2 and Sui Generis) with associated cycle parking, car parking, access, landscaping and other supporting infrastructure. Linked with application 6/2025/1635/LB.
Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR
Received 19 Feb 2025
Decided - GrantedW6/2013/0773/EM
Erection of single storey rear extension and glazed timber roof to car port
24 Guessens Road, WELWYN GARDEN CITY, AL8 6RA
Received 19 Apr 2013

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.
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Published 16 Jul 2026Updated 13 Sept 2026
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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.
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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.
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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