Best Hot Tubs for UK Gardens in 2025

Updated

Nov 5, 2025 5:41 PM

Written by Nathan Cafearo

A comprehensive, expert-driven guide to the best hot tubs for UK gardens in 2025—covering energy efficiency, capacity, ease of use, and what to consider before buying.

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Why Invest in a Hot Tub for Your Garden?

Hot tubs have become a sought-after addition to UK gardens, offering a touch of luxury, a focal point for gatherings, and year-round relaxation. With innovations in energy efficiency and a wide range of sizes and styles, there’s a model to suit every space and budget.

Quick List: Top Hot Tubs at a Glance

Model	Capacity	Energy Efficiency	Wi-Fi Control	RRP	Key Features
Lay-Z-Spa Miami AirJet	2–4	40% more efficient	No	£379.99	Compact, under £400, easy to use
Lay-Z-Spa Toronto	5–7	60% more efficient	Yes	£899	Rigid foam, Wi-Fi, robust, spacious
Lay-Z-Spa Zurich EnergySense	2–4	40% more efficient	No	£559	Compact, stylish, energy-saving cover
Lay-Z-Spa Helsinki	5–7	Standard	No	£729.99	Large, faux-wood finish, classic comfort

Prime Day Hot Tub Deals

Lay-Z-Spa Miami AirJet is currently on sale, offering excellent value for small families or tighter gardens. Often discounted below the £400 mark, it’s a perennial favourite for first-time buyers.

In-Depth Reviews: Best Hot Tubs for 2025

1. Best Overall Inflatable Hot Tub – Lay-Z-Spa Miami AirJet

Capacity: 2–4 people
Water: 669L
Energy Efficiency: 40% more efficient than older models
Key Features: Fast, simple setup; digital controls; FreezeShield for winter use; built-in cup holders.
Expert verdict: Ideal for newcomers, compact spaces, and those prioritising ease of use over tech features.
RRP: £379.99

2. Best Rigid Foam Hot Tub – Lay-Z-Spa Toronto

Capacity: 5–7 people
Water: 1,300L
Energy Efficiency: Up to 60% more efficient
Key Features: Rigid ThermaCore walls, Wi-Fi/app controls, stylish wood-effect exterior, padded pillows.
Expert verdict: Sturdy, spacious, and with genuine energy savings for frequent users.
RRP: £899

3. Best Small Hot Tub – Lay-Z-Spa Zurich EnergySense

Capacity: 2–4 people
Water: 669L
Energy Efficiency: 40% more efficient
Key Features: Grey suede-effect, compact, energy-efficient lid, basic controls.
Expert verdict: Aesthetically pleasing and practical for couples or small gardens.
RRP: £559

4. Best Large Hot Tub – Lay-Z-Spa Helsinki

Capacity: 5–7 people
Water: 1,123L
Energy Efficiency: Standard (no advanced insulation)
Key Features: Faux-wood look, thin walls for increased capacity, classic controls.
Expert verdict: Excellent for larger gatherings, now more affordable as newer, more efficient models emerge.
RRP: £729.99

How to Choose the Right Hot Tub

Types of Hot Tub

Inflatable: Affordable, portable, easy to store. Price: £300–£1,200.
Rigid Foam: More robust, better insulation, slightly higher cost.
Resin/Plug-and-Play: Durable, higher capacity, semi-permanent, £1,500–£5,000.
Built-in: Permanent fixtures, require professional installation, highest cost.

Sizing and Capacity

Manufacturer capacity claims are often optimistic. For comfort, size up if possible—especially for families or frequent hosts.
Water capacity affects both running costs and heating time. Typical two-person tubs hold under 700L; six-person tubs can exceed 1,200L.

Energy Efficiency

Newer models feature insulated lids and sidewalls (like Lay-Z-Spa’s EnergySense or ThermaCore) to reduce running costs.
Estimated running costs for efficient inflatables: £2–3/day at 40°C (based on May/June 2023 rates).

Other Considerations

Safety: Never exceed 40°C. Children under 8 should not use hot tubs; those over 8 should have water below 36°C and limit sessions to 15 minutes.
Maintenance: Regularly test and balance chemicals. Plan to drain and refill every 2–3 months.
Ongoing costs: Chemicals, filters, replacement parts, and water/energy bills must be considered.
Health: Consult your doctor if you have cardiovascular issues, high blood pressure, or diabetes before using a hot tub.

Where to Buy Hot Tubs

Amazon UK: Wide range, frequent deals on Lay-Z-Spa and Wave Spa.
Argos: Good selection of Lay-Z-Spa and accessories.
B&Q: Regular offers on MSpa and Lay-Z-Spa.
Homebase: Stocking major brands.
Robert Dyas: Inflatable and resin models.

FAQs

Do hot tubs use a lot of electricity?

Efficient models cost roughly £2–3 per day to run at 40°C, though actual cost varies by water volume, insulation, and usage habits. Keep the lid on when not in use to save energy.

Are inflatable hot tubs worth it?

For most UK consumers, yes. They’re affordable, easy to set up and store, and offer relaxation and fun without the expense or commitment of a built-in spa.

Final Thoughts

A well-chosen hot tub can transform your garden into a relaxing haven. Focus on real-world efficiency, build quality, and suitability for your space—and always consider the ongoing costs before you buy.

Next Steps:

Compare current deals from trusted UK retailers.
Consider energy efficiency and ongoing costs, not just the purchase price.
Read full user and expert reviews before committing.

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