Planning Appeals and Called-in Applications

Planning appeals

Please see below information of any undecided planning appeals being dealt with by way of a public inquiry, including details of the event and a link to the documents forming part of the appeal.

Land To North Of Little Green Lane, Croxley Green

This public inquiry has now closed. The documents associated with the Inquiry are below and the Decision will be published when it is available.

Outline Application: Development of up to 600 residential dwellings (Use Class C3(a)), construction of a 5-bedroom property for childrens social care and supported living (Use Class C3(b)). Two vehicular access points from Little Green Lane and further pedestrian / cycleway accesses.  A one form entry primary school (Use Class F1(a)) (plus expansion land for a two form entry primary school).  A mixed use local centre including provision for NHS health and social care services (Use Class E(e)), community building (Use Class F2), retail and cafe provision (Use Class E(a-c)), car parking and associated infrastructure. A country park, areas for play and recreation, allotments, community orchard and landscaping with associated infrastructure including sustainable urban drainage systems. (Layout, scale, appearance and landscape as reserved matters).

Inspectorate Reference: 6004972
TRDC Planning Application Reference: 24/2073/OUT
TRDC Appeal Reference: 26/0012/REF

Inquiry Timetable 28 August 2026 (PDF)

Council update in respect of S106 (PDF)

Core Documents:

List of Core Documents  9 September 2026 (PDF)

Core Documents List - Cover Errata Sheet (docx)

CD1 - Application Documents and Plans 

CD2 - Additional/Amended Reports and/or Plans submitted after validation and/or the decision

CD3 - Consultee Comments

CD4 - Committee Reports and Decision Notice

CD5 - The Development Plan

CD6 - Emerging Development Plan / Local Plan Process

CD7 - Other Local Planning Guidance and Evidence

CD8 - National Policy and Guidance

CD9 - Appeal Documents

CD10 - Relevant Appeal Decisions

CD11 - Relevent Court Judgements

CD12  - Local Planning Authority and Other Authority Proofs of Evidence & Rebuttals

CD13 -  Appellant Proofs of Evidence & Rebuttals

CD14 -  Other Documents

CD15 -  Documents submitted during the Inquiry

Called-in applications

Land East Of Oxhey Lane

Outline planning application for up to 256 homes (C3 use class) (including affordable and self/custom build housing), housing with care (C2 use class), a children's home (for looked after children) (C2 use class) together with associated access (including off-site highway works), parking, open space and landscaping (appearance, layout, landscaping and scale as reserved matters).

Inspectorate Reference: APP/P1940/V/26/3378268

TRDC Planning Application Reference: 25/1020/OUT

Live stream recordings:

Wednesday 1 July - Part 1

Wednesday 1 July - Part 2

Thursday 2 July - Part 1

Thursday 2 July - Part 2

Tuesday 7 July - Part 1

Tuesday 7 July - Part 2

Wednesday 8 July - Part 1

Wednesday 8 July - Part 2

Thursday 9 July

Core Documents:

List of Core Documents (PDF)

CD1 - Application Documents

CD2 - TRDC's Application Documents

CD3 - Planning Policy/Guidance Documents

CD4 - Other/Evidence Documents

CD5 - Relevant Appeal Decisions/Case Law

CD6 - Inquiry Documents

ID - Inquiry Documents

Determined appeals

Abbots Langley Data Centre

Parcel Of Land North Of Mansion House Farm, Bedmond Road, Abbots Langley - Outline application: Demolition and clearance of existing buildings and hardstandings to allow for the construction of a data centre of up to 84,000 sqm (GEA) delivered across 2no. buildings, engineering operations and earthworks to create development platforms, site wide landscaping and the creation of a country park. The data centre buildings include ancillary offices, internal plant and equipment and emergency back-up generators. Other works include an ancillary innovation, education and training centre of up to 300 sqm, internal roads and footpaths, cycle and car parking, hard and soft landscaping, security perimeter fence, lighting, drainage, substation, and other associated works and infrastructure (all matters reserved).
Inspectorate Reference: APP/P1940/W/24/3346061
TRDC Planning Application Reference: 23/1068/OUT
TRDC Appeal Reference: 24/0022/REF

The appeal was allowed, with outline planning permission granted, on 12 May 2025.

Appeal documents:

List of Core Documents (PDF)
A - Planning Application
B - Application Consultation Responses (Consultee)
C - Planning Appeals
D - National Planning Policy, Guidance and Legislation
E - Local Planning Policy, Evidence Base, Guidance and other related Documents
F - Decision Notice and Committee Report
G - Appeal and Case Law Decisions
H - Landscape
I - Need and Economics
J - Miscellaneous Documents
Inquiry Documents
Closing submissions were made virtually on Wednesday 23 October 2024 and can be viewed here.

Sarratt Appeals

Following a public inquiry late 2023, the appeals below were both allowed and outline planning permission was granted. To find the decision on the Inspectorate's website, please search for 3311477 at https://acp.planninginspectorate.gov.uk/

Appeal A:  
LAND AT REAT OF 17-49 CHURCH LANE, SARRATT - Outline application: Erection of up to 83 new dwellings and a new Doctors Surgery with vehicular access onto Sarratt Road (Appearance, Layout, Landscaping and Scale as reserved matters)
Inspectorate Reference: APP/P1940/W/22/3311477  
TRDC Planning Application Reference: 22/0601/OUT
TRDC Appeal Reference: 22/0047/REF

Appeal B:
LAND ADJACENT TO 97 CHURCH LANE, SARRATT - Outline application: Erection of up to 9 new homes, associated access, parking and landscaping (Appearance, Layout, Landscaping and Scale as reserved matters)
Inspectorate Reference: APP/P1940/W/22/3311479  
TRDC Planning Application Reference: 22/0602/OUT
TRDC Appeal Reference: 22/0048/REF

If you require any further information please contact the Development Management Team:
Email: enquiries@threerivers.gov.uk
Phone: 01923 776611