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

283Recorded 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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2014/1092/FP
Erection of single storey side extension following alterations to infill side path between existing garage and western elevation at ground floor
70 Digswell Park Road, Welwyn Garden City, AL8 7NS
Received 14 May 2014
Decided - Granted6/2022/1774/RM
Approval of reserved matters (appearance, landscaping, layout and scale) following outline planning permission S6/2015/1342/PP for residential development of up to 121 dwellings, associated infrastructure and a change of use from agricultural land to an extension of the King George V playing field. In addition, to approve details for Condition 9 (refuse and recycling), Condition 10 (noise), Condition 11 (air quality) and Condition 16 (LEMP).
Land to the north east of King George V Playing Fields Northaw Road East Hertfordshire Cuffley EN6 4RD
Received 27 Jul 2022
Decided - Granted6/2021/0691/HOUSE
Erection of a rear veranda
13 The Drive Welwyn AL6 0TW
Received 3 Mar 2021
Decided - Granted6/2022/0389/HOUSE
Erection of a single storey front extension including a new entrance porch
39 Calder Avenue Brookmans Park Hertfordshire AL9 7AH
Received 21 Feb 2022
Decided - RefusedW6/2006/0184/EM
ERECTION OF FIRST FLOOR EXTENSION AND SINGLE STOREY SIDE AND REAR EXTENSION AND REMOVAL OF EXISTING CHIMNEY
7 Homerfield, Welwyn Garden City, AL8 6QZ
Received 10 Feb 2006
Decided - Granted6/2024/1822/HOUSE
Erection of a single storey side and rear extension following the demolition of existing garage/greenhouse and conservatory. New garden side access gate within existing brick boundary wall. Removal of ex chimney stack from side/rear elevation
7 Ellenbrook Crescent Hatfield AL10 9RP
Received 23 Sept 2024
Decided - Granted6/2020/1773/EM
Installation of patio to front
31 Reddings Welwyn Garden City AL8 7LA
Received 20 Jul 2020
Decided - Granted6/2022/0932/EMT
Reduce 1 x holly by 33% to reduce and reshape
22 Dellcott Close, Welwyn Garden City, AL8 7BD
Received 20 Apr 2022
Decided - Refused6/2021/1022/LAWP
Certificate of lawfulness for a garage conversion, new window and extension of existing driveway
2 Elsons Mews Welwyn Garden City AL7 1FP
Received 29 Mar 2021
Decided - Granted6/2016/1397/TPO
Sycamore tree (T1) (multi stem) Reduction by 2-3m and thin by 10% - Conservation Area
174 Handside Lane, Welwyn Garden City, AL8 6SZ
Received 8 Jul 2016
Appeal Decided - Allowed6/2024/1343/HOUSE
Two storey side and rear extensions, works to the roof to include formation of crown roof with rear dormer and alterations to the fenestration
3 Tolmers Gardens Cuffley EN6 4JE
Received 12 Jul 2024
Decided - Granted6/2020/0197/HOUSE
Insertion of flue to boiler room of existing property, to facilitate new boiler
6 Hall Grove Welwyn Garden City AL7 4PN
Received 27 Jan 2020
Decided - Granted6/2018/0738/LAWP
Certificate of lawfulness for the installation of 3 front rooflights, 1 rear dormer window and a juliet balcony to facilitate conversion of loft to habitable space
10 Dellfield Road Hatfield AL10 8EW
Received 20 Mar 2018
Decided - Granted6/2022/0354/HOUSE
Erection of a ground floor rear extension and part garage conversion to habitable space and a loft conversion with rear dormer
19 Fearnley Road Welwyn Garden City AL8 6HW
Received 15 Feb 2022
Decided - Granted6/2024/0157/EM
Installation of solar panels
38 Parkway Welwyn Garden City AL8 6HQ
Received 24 Jan 2024
Decided - Granted6/2021/2107/COND
Submission of details pursuant to condition 12 (schemes for signs), on planning permission 6/2019/1851/VAR
The Holdings Cole Green Lane Welwyn Garden City AL7 4AL
Received 13 Jul 2021
Decided - Granted6/2017/0947/VAR
Variation of condition 16 (window details) on planning permission 6/2016/0345/MAJ dated 15/03/2017
41-43 Roe Green Lane Hatfield AL10 0SH
Received 5 May 2017
Decided - Refused6/2023/1552/COND
Submission of details pursuant of condition 1 (landscape) 2 (refuse and recycle) 3 (cycle parking) 4 (side window) 5 (material) and 6 (work) on planning permission 6/2022/2883/FULL
109 Woods Avenue Hatfield AL10 8QQ
Received 26 Jul 2023
Decided - GrantedW6/2014/1969/EM
Replacement of existing windows, front door and rear french doors with wooden, double glazed units
1 Fearnley Road, Welwyn Garden City, AL8 6HW
Received 29 Sept 2014
Decided - GrantedN6/2004/1343/FP
SINGLE STOREY FRONT EXTENSION
29 Birchall Wood Welwyn Garden City AL7 2HL
Received 6 Sept 2004
Decided - WithdrawnS6/1992/0261/FP
Change of use of barn to form dwelling
The Old Potting Shed, land adj. Garden Cottage, Woodside Place, Wildhill Hatfield
Received 1 Jan 1992
Decided - RefusedS6/2015/0100/HH
Prior approval for a single storey rear extension
29 Warren Close, Hatfield, AL10 0AL
Received 19 Jan 2015
Decided - Refused6/2017/2212/PN8
Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3.5m in heights, 2.5m to the eaves
7 Cranfield Crescent Cuffley Potters Bar EN6 4DY
Received 28 Sept 2017
Decided - Granted6/2022/0415/PN15
Prior approval for the installation of a 20m streetworks monopole supporting 6 no. antennas and 2 no. 0.3m dishes, 2 no. cabinets and associated ancillary works, the installation of a 2.4m fence enclosing the installation.
Outwood Road Swallowfields Welwyn Garden City Peartree AL7 1WL
Received 22 Feb 2022

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
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.
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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