Purpose-built data centre colocation for modern compute
Colocation in locations throughout the UK. Bring your hardware to the UK's most efficient environment. From standard air-cooled racks to 100kW immersion pods.
- 0–0kW+
- High-density racks deployed
- Liquid & immersion
- Native cooling infrastructure
- Live capacity
- Ready for immediate occupation
- ISO 0 / 0 / 0
- Certified operations
Flexible environments for any scale or spec
Whether you need a single rack for networking or a private hall for AI training, we provide the scalable infrastructure to support your growth.
Standard colocation - air cooled
Best for enterprise, networking and storage. Density of 4kW – 10kW per rack.
High-performance (HPC) - liquid / immersion
Best for AI training, rendering and GPU clusters. Density of 20kW – 100kW per pod.
Private suites - wholesale / edge
Best for large scale or remote edge deployments. Custom or built to spec.
Native immersion & DTC cooling environments
While legacy colocation sites struggle to cool modern GPUs, we deploy immersion baths (25kW–100kW) and Direct-to-Chip (DTC) environments built specifically for your high-density compute.
Unsure if your hardware needs liquid cooling? Get a technical review of your infrastructure to see if you can save money by increasing density.
- Transition ready - start in air-cooled staging racks and move to liquid cooling whenever your hardware is ready
- Cost efficiency - consolidating workloads into high-density pods cuts space, power and operational expenses
- Proven reliability - consistent thermal performance that protects GPUs and high-density hardware under sustained load
Full-service management, zero friction
We provide a full service wrap by default.
Precision thermal control, delivered to the processor
Direct-to-Chip cooling delivers liquid directly to the processor and GPU cold plates, allowing you to run high-power workloads with precision thermal control.
Instead of relying on airflow, heat is removed at the source, enabling dense compute environments to operate more efficiently and more predictably.
A pricing model that rewards density
We charge for power, not real estate. The more efficient your deployment, the more cost-effective your colocation.
Retail
Flexible rack-by-rack leasing for standard IT. Start small and scale anytime, with consistent power and cooling, low barriers to entry, fully managed security and monitoring, and simple, transparent billing.
Wholesale
Secure white space for enterprise scale. Private, dedicated rooms with high-capacity power feeds, custom cooling options, integrated network reach and full operational autonomy.
High-density
Zero rack cost, power-only billing. Optimised for AI, GPU and HPC with immersion and DTC cooling available, lower total cost of deployment, maximum power efficiency and faster time to productivity.
Reason to choose us
Everything you need to run high-density compute without the operational drag.
ISO-certified security
24/7 manned access, CCTV, and strict ISO certified controls.
Always-on uptime
N+1 power and cooling with full fire detection and suppression.
Smart hands support
Reboots, cabling, swaps - handled by on-site engineers.
Assisted migration
Staged moves planned and executed with our engineering team alongside yours.
Carrier-neutral connectivity
Choice of carriers and cross-connects, with integrated network reach across our sites.
Full-service wrap
Everything handled under one roof - zero friction, zero hassle.
Micro. Modular. Hybrid. Sustainable.
Designed with power constraints in mind, our new generation data centres are energy efficient, utilising advanced cooling technologies. A 76 sq m footprint available across the UK from 1kW to 100kW+, with sites available nationwide.
Built for the next generation of compute
We focus on continuous improvement of our data centres, constantly looking at making improvements to energy efficiency, reduction of power costs and better network connectivity.
We also recognise that deployment of environments where customers require them is also key, so we have adopted a build-on-demand model to accommodate fast and agile deployment of fit-for-purpose highly sustainable micro data centres within our existing commercial property footprint.
Built around regulated and performance-critical estates
Latest insights
Fresh thinking on high-density compute, cooling, and modern data centre strategy.
Data Centre Migration Checklist - How to Plan a Low-Risk Move
Use this data centre migration checklist to plan dependencies, power, connectivity, rollback and validation for a lower-risk move.
How Much Does Immersion Cooling Cost? Capex, Opex, and TCO Explained
See what drives immersion cooling cost in the UK, from CapEx and OpEx to TCO, and compare the real cost of supporting high-density compute.
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AI Colocation in the UK: How to Choose Infrastructure That Will Not Hold Your GPUs Back
Carbon-Z delivers AI colocation in the UK with liquid cooling up to 120kW per rack. Built for GPU clusters, AI training, and sustained high-density workloads.
From 8kW To 120kW: When Your GPU Cluster Outgrows Standard Colocation
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Liquid Cooling For Data Centres: A Buyer's Guide
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What 120kW Per Rack Actually Looks Like: Power, Cooling, And Cabling Specifications
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Are Colocation Data Centres the Same as Servers?
Colocation data centres and servers fill different roles in IT infrastructure. Learn how each works, when colocation is the right choice and what to look for.
Carrier-Neutral Data Centre Benefits: Why Network Choice Matters
Explore carrier-neutral data centre benefits, from provider choice and route diversity to stronger hybrid connectivity.
What Is Immersion Cooling? A Practical Guide for High-Density Infrastructure
What is immersion cooling? Learn how it works, when it makes sense, and how it supports high-density infrastructure.
How to Improve Network Resilience in Data Centres
How to improve network resilience in data centres through diverse connectivity, tested failover, configuration control and wider observability.
Where to Colocate in the UK: A Guide to the Top Data Centre Hubs
Choosing a UK colocation hub now turns on power and cooling, not postcode. We map the four hub types and how to match each to your workload.
Why AI and HPC Workloads Need Immersion Cooling
AI and HPC racks now draw 40 to 140 kilowatts. We explain why air cooling has hit its ceiling and where immersion genuinely earns its place.
What Does It Actually Cost to Run an AI Model?
Running an AI model costs more than most organisations expect. We break down GPU hardware, power, cooling, and egress to show where the money actually goes.
What Is Colocation? The Complete UK Guide 2026
Colocation lets you house your servers in a managed UK data centre. Our guide covers costs, cooling, security, cloud comparisons, and how to choose a provider
Air Cooling vs Liquid Cooling: Which Does Your Infrastructure Actually Need?
Air cooling vs liquid cooling: which does your infrastructure need? We break down rack density, PUE, and total cost to help you make the right call.
Colocation vs Cloud - Where Your Workloads Actually Belong
Colocation vs cloud isn't a philosophy debate. We break down the real cost, compliance, and performance factors that determine where your workloads belong.
The thirst for AI
AI is revolutionary in its capabilities. It is becoming integrated to all the applications that we use…
Combating obsolete Data Centres
Dive into how immersion cooling slashes energy use and unlocks high rack densities for AI, GPU and HPC workloads.
Open Day
Exciting News! Join us for a Journey into the Future of Hosting and Cooling at Swindon Data Centre Open Day!
Atoms
Carbon-Z Atoms are modular, build-on-demand data centre units with up to 1MW capacity and flexible cooling options built for rapid deployment and scalability.
Frequently asked questions
What is data centre colocation and who is it for?
Colocation allows businesses to house their own servers and infrastructure within a professionally managed data centre. It is suitable for organisations that need reliable power, cooling and connectivity without building and maintaining their own facility.
What types of workloads can your infrastructure support?
Our environments are designed to support a wide range of workloads, including enterprise IT systems, cloud platforms, AI training, GPU clusters and high-performance computing applications.
How do I know if I need high-density or standard colocation?
If your infrastructure runs at higher power levels or includes GPU-based workloads, high-density environments may be more suitable. Standard colocation is typically used for lower-power enterprise and networking systems.
Can I transition from air-cooled racks to liquid cooling later?
Yes, deployments can start in air-cooled environments and move into Direct-to-Chip or immersion cooling as your hardware requirements increase.
How does your pricing model work?
We charge based on power consumption rather than physical rack space, allowing you to optimise costs by increasing the efficiency and density of your deployment.
What level of support is included with colocation services?
Our facilities provide on-site technical support, including smart hands services for tasks such as reboots, hardware checks and basic maintenance, alongside 24/7 monitoring and security.
Ready to upgrade your infrastructure?
Stop overpaying for legacy efficiency. Get a quote for colocation, immersion or a custom build in under 24 hours.