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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 10 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2008/2227/DS
DISCHARGE OF CONDITIONS 2 (DETAILS OF PLANT & EQUIPMENT) AND 3 (TREATMENT OF COOKING FUMES) FROM PLANNING DECISION NOTICE S6/2005/675/DE
8 PARKHOUSE COURT, HATFIELD, HERTFORDSHIRE, AL10 9RQ
Received 24 Nov 2008
Decided - RefusedN6/2004/0012/FP
ERECTION OF TWO STOREY REAR AND SIDE EXTENSION
14 Sherrardspark Road Welwyn Garden City AL8 7JP
Received 6 Jan 2004
Decided - Granted6/2022/1480/COND
Submission of details pursuant of condition 13a (archaeology) on planning permission 6/2021/0516/VAR
Land to North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ
Received 24 Jun 2022
Decided - Granted6/2017/1790/TPO
Remove epicormic growth and dead wood from 2 x Oak Trees (1+2) and reduce height of 1 x Privet hedge to 5ft off the ground - Conservation Area
18 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 14 Aug 2017
Decided - GrantedS6/2014/1322/FP
Conversion of single dwelling house to form two self contained flats, 2 parking spaces and amenity space of 140sqm
11 Birchwood Avenue Hatfield AL10 0PL
Received 6 Jun 2014
Decided - GrantedS6/2015/1269/FP
Erection of single storey rear extension and roof extension for form gable end and provision of dormer windows to either side of roof including alteration to roof over front hand bay to match existing left
29 The Meadway Cuffley Potters Bar EN6 4ET
Received 15 Jun 2015
Decided - GrantedW6/2015/1316/TE
Fell conifer tree
124 Sweet Briar Welwyn Garden City AL7 3EA
Received 22 Jun 2015
Decided - Refused6/2018/0735/HOUSE
Erection of a single storey rear extension, following demolition of existing rear conservatory & loft conversion, and installation of a rear dormer.
10 Hurstlings Welwyn Garden City AL7 3LX
Received 20 Mar 2018
Decided - Withdrawn6/2025/0168/FULL
Reconfiguration of the rear units including demolition of the existing storerooms and replacement with new extension, demolition of internal walls and existing staircases and construction of a black aluminium galvanized staircase, proposed rear metal gate, metal railing on first floor and new aluminium frame and toughened glass to frontage
10-11 The Parade St Albans Road East Hatfield AL10 0ET
Received 31 Jan 2025
Decided - Granted6/2022/2354/VAR
Variation of condition 2 (roof) on planning permission 6/2022/0873/HOUSE
28 Bluebell Way Hatfield AL10 9FJ
Received 10 Oct 2022
Decided - Granted6/2015/2085/EM
Removal of Ivy from Ash tree and reduction of up to 3 lower branches.
52 Lemsford Lane, Welwyn Garden City, AL8 6YJ
Received 7 Oct 2015
Decided - Granted6/2016/1033/EM
Erection of two storey rear extension and conversion of garage into habitable space
6 Longcroft Lane, Welwyn Garden City, AL8 6EA
Received 23 May 2016
Decided - GrantedN6/2015/0891/FP
Extension of front dormer to infill between existing front dormers and installation of window
4 Hawbush Rise, Welwyn, AL6 9PN
Received 28 Apr 2015
Decided - Granted6/2025/0699/EM
Installation of solar panels on pitched roof
5 Little Rivers Welwyn Garden City AL7 1QJ
Received 14 Apr 2025
Decided - Granted6/2018/3159/COND
Submission of details pursuant to condition 1 (materials) and 2 (hard and soft landscaping) on planning permission 6/2018/1980/FULL
8 Mymms Drive Brookmans Park Hatfield AL9 7AF
Received 11 Dec 2018
Decided - Granted6/2022/0574/EMT
T1 - oak tree crown reduction by 2-3m and remove deadwood T2 - cherry tree - fell and grind, limbs starting to fall off and is slowly in decline
2 Reddings, Welwyn Garden City, AL8 7LA
Received 11 Mar 2022
Decided - Granted6/2023/1318/EM
Erection of a single storey flat roof rear extension to include a garage extension to the rear following the removal of existing conservatory
12 Guessens Road Welwyn Garden City AL8 6QR
Received 26 Jun 2023
Call In/Major Objection6/2026/0894/FULL
Change of use from Class E restaurant to mixed use of Class E restaurant and Sui Generis takeaway
14 Town Centre Hatfield AL10 0JZ
Received 20 May 2026
Decided - Granted6/2020/0587/FULL
Change of use from Class (A1) to sui generis a tanning salon
8 Harpsfield Broadway Hatfield AL10 9TF
Received 2 Mar 2020
Decided - Granted6/2022/0083/ADV
Installation of 1 x non-illuminated fascia sign, 2 x non-illuminated signage boards, 2 x vinyl signs and 1 x internally illuminated freestanding sign. 1 x new lantern, 2 x upward facing led floodlights and 3 x downward facing led floodlights
The Chequers 16 London Road Knebworth SG3 6JP
Received 13 Jan 2022
Decided - Granted6/2016/0251/EM
Erection of new rear garden (12 x 8) shed following removal of existing shed (10 x 6), and removal of 1m. of hedge at front of property
11 Russellcroft Road, Welwyn Garden City, AL8 6QY
Received 9 Feb 2016
Decided - Granted6/2019/2583/HOUSE
Erection of a front porch and single storey rear extension
89 Maryland Hatfield AL10 8DS
Received 11 Oct 2019
Decided - GrantedS6/2004/0817/OP
RENEWAL OF OUTLINE PERMISSION FOR ONE DETACHED SINGLE STOREY DWELLING
45A King James Avenue Cuffley Potters Bar EN6 4LN
Received 2 Jun 2004
Decided - Granted6/2018/2403/EM
Erection of greenhouse
1 Rosedale Welwyn Garden City AL7 1DW
Received 19 Sept 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.
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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