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

37,315Searchable applications

335Recorded as pending

86%Approval rate · 31,118 approved or refused records

4,327Refused applications

26,791 approved · 4,327 refused · 2,011 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/1616/TPO
Removal of Scots Pine tree covered by TPO 24 (1976)
2 Mardley Heights Welwyn AL6 0TX
Received 9 Aug 2016
Decided - GrantedS6/2009/1822/FP
INSTALLATION OF CRICKET PRACTISE NETS
NORTH MYMMS CRICKET CLUB, NORTH MYMMS PARK, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7TP
Received 20 Aug 2009
Decided - GrantedS6/2010/0266/S73B
TIME EXTENSION TO PLANNING APPLICATION S6/2007/0071/FP, ERECTION OF REPLACEMENT DETACHED 5 BEDROOM DWELLING FOLLOWING THE DEMOLITION OF EXISTING DWELLING
29 HILL RISE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4EH
Received 15 Feb 2010
Decided - Granted6/2025/2628/EM
Hard standing to the front of the property for two vehicles
17 Ingles Welwyn Garden City AL8 7HE
Received 30 Dec 2025
Decided - Granted6/2016/2320/EM
Erection of rear conservatory
27 Moorlands Welwyn Garden City AL7 4PY
Received 4 Nov 2016
Decided - Granted6/2015/1658/EM
Installation of rooflight
111 Handside Lane Welwyn Garden City AL8 6SP
Received 3 Aug 2015
Decided - Granted6/2017/0036/HOUSE
Erection of a single storey rear and part side extension.
38 Heron Way Hatfield AL10 8QX
Received 10 Jan 2017
Decided - Granted6/2026/0583/LAWP
Certificate of Lawfulness for two single storey side extensions, replacement car port following removal of existing structures, new hardstanding and vehicular access gate.
Red Lodge High Road Essendon Hatfield AL9 6HU
Received 1 Apr 2026
Decided - Granted6/2024/0553/HOUSE
Erection of a single storey front-side extension on the north side
32 Turpins Chase Welwyn AL6 0RR
Received 20 Mar 2024
Decided - Refused6/2018/0333/HOUSE
Erection of a timber boundary fence following removal of existing.
37 The Ridgeway Cuffley Potters Bar EN6 4BB
Received 1 Feb 2018
Decided - GrantedW6/2013/1047/EM
Erection of rear conservatory
92 Pentley Park, WELWYN GARDEN CITY, AL8 7SG
Received 21 May 2013
Decided - Refused6/2016/1443/EM
Erection of two storey rear extension
5 Guessens Road, Welwyn Garden City, AL8 6QW
Received 14 Jul 2016
Decided - Refused6/2020/3261/LAWP
Certificate of lawfulness for the demolition of existing conservatory and erection of new ground floor rear extension, addition of new external door to side wall to replace existing pedestrian side gate.
4 Kingsley Court, Welwyn Garden City, AL7 4HZ
Received 4 Dec 2020
DecidedN6/2008/1923/TC
WORKS TO TREE.
LAND ADJACENT TO 2-42 THE CLOISTERS, WELWYN GARDEN CITY, HERTFORDSHIRE
Received 9 Oct 2008
Decided - Granted6/2021/1270/HOUSE
Erection of single storey front extension and first floor front fenestration alterations
7 Kindersley Close Welwyn AL6 9RN
Received 20 Apr 2021
Decided - GrantedN6/2008/2024/FP
ERECTION OF SINGLE STOREY REAR, SINGLE STOREY SIDE AND REAR EXTENSION AND ERECTION OF WALL AND GATE
The Lodge 2 Digswell Hill Welwyn AL6 9AL
Received 20 Oct 2008
Decided - GrantedN6/2013/2615/FP
Erection of single storey rear extension following demolition of existing conservatory
64 Gresley Close, Welwyn Garden City, AL8 7QB
Received 12 Dec 2013
Decided - Granted6/2021/1808/EMH
Erection of a single storey rear infill extension and alterations to openings on side and rear elevations
10 Broadfield Place Welwyn Garden City AL8 6LJ
Received 10 Jun 2021
Decided - Granted6/2020/0513/EM
Fell 1x Eucalyptus (T1)
3 Guessens Road Welwyn Garden City AL8 6QW
Received 24 Feb 2020
Decided - Granted6/2020/2221/COND
Submission of details pursuant to condition 16 (noise prevention measures) on planning permission 6/2019/1067/MAJ
Hill-Top Neighbourhood Centre High View Hatfield AL10 8HZ
Received 1 Sept 2020
Decided6/2024/1742/TC
T1 - Oak: reduce by 2m all over and thin crown by 15%
16 Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 10 Sept 2024
Decided6/2026/1314/TC
T1 - 1 x Hornbeam to reduce by approx 1.5m height, reduce width over roadway by approx 2.5m and 2m on remaining width Rear T2 - 1 x Beech to reduce lateral growth back from the property by approx 1.5m T3 - 1 x Bay to reduce height by approx 1.5m, trim remaining hard round leaving a more rounded finish
85 Handside Lane Welwyn Garden City AL8 6SH
Received 27 Jul 2026
Decided - WithdrawnN6/2007/0891/FP
CHANGE OF USE OF PART OF PUB CAR PARK TO FORM GARDEN. ALTERATION TO EXISTING WINDOW TO FORM NEW DOORWAY TO PROPOSED GARDEN/TERRACE
The East Great North Road Welwyn Garden City AL8 7TB
Received 13 Jun 2007
Decided - Granted6/2026/0364/PN15
Prior approval for the installation of a telecommunications base station comprising a 20m monopole supporting 9no antennas and 2 no dishes with wraparound cabinet at the base, together with 6 no equipment cabinets and ancillary development thereto
Land at Woods Avenue Hatfield AL10 8TY
Received 26 Feb 2026

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