By the PlungePoolUK.co.uk — Cold Plunge & Home Pool Reviews for Britain Team · Updated May 2026 · Independent, reader-supported

Best Plunge Pool Accessories UK: Covers, Chillers, Steps & More

Owning a plunge pool transforms your garden, but the accessories you choose make the difference between a well-maintained investment and one that quickly becomes a burden. Whether you're keeping water temperature stable, protecting your pool from debris, or making entry safer, the right gear pays for itself through convenience and longevity. Here's what actually works—and what's worth the money.

Pool Covers: Protection and Heat Retention

A decent cover is non-negotiable. It does two jobs at once: stops leaves and dirt falling in (which extends filter life and reduces chemical use), and significantly reduces heat loss overnight. In the UK climate, this matters more than most people realise.

Thermal insulating covers—typically made from bubble material or foam—retain around 30-50% more heat than basic mesh covers. They're bulkier to handle and do eventually degrade in sunlight (usually lasting 3-5 years), but if you're using your pool year-round or heating it, the fuel savings add up. Expect to pay £200-600 depending on pool size.

Mesh covers are lighter and cheaper (£80-250), fine for catching debris, though they don't insulate. They're genuinely easier for quick daily use, especially if you're covering and uncovering frequently.

Solar covers—thin reflective sheets—sit between the two. They warm the pool modestly and evaporate less water, but they're fiddly to deploy and store. Useful as a secondary layer, less useful as a standalone unless your pool is very small.

Get covers that fit snugly. Ill-fitting ones flap in wind, tear easily, and shift off. Measure twice.

Thermometers: Know Your Water Temperature

You'd be surprised how many people heat their pool without actually knowing if it's working. Floating digital thermometers (£15-40) are fine for casual checking. They're reliable and immediate. If you're using a heater, a fixed pool thermometer (£30-80) that mounts on the side removes guesswork and helps you spot faults quickly—if your heater's running but the temp isn't rising, that's a sign something's wrong with the unit itself, not the control settings.

WiFi-enabled thermometers (£50-150) let you monitor from your phone, which sounds unnecessary until a guest asks if the water's ready and you're upstairs. They also log temperature trends, genuinely useful if you're experimenting with different heating regimes.

Chillers: Cooling for Hot Months

The UK summer water-heating problem is real if you're a cold-water swimmer or if your pool's in direct sun. Active chillers (the kind that run a refrigeration cycle) cost £1,500-4,000+ to buy and roughly £1-2 per day to run. They work quickly and reliably but require serious commitment.

Passive cooling options are cheaper. A solar blanket removal at night lets evaporation do the work. A small fountain or water feature circulates warm surface water, exposing it to air. These are free or low-cost, just slow.

Immersion chiller units (heat-exchange coils you run cold water through) are mid-range—£300-800—and work only if you have access to ground-cold mains water, which most UK homes don't in summer anyway. Check your mains temperature; if it's above 15°C, a chiller won't help much.

Most UK plunge pool owners don't bother with active cooling. A pool in shade, good cover at night, and occasional hose-water top-ups usually keeps temperature reasonable even in July and August.

Ozone Sanitisers: Chemical-Light Water Treatment

Chlorine does the job and costs very little, but ozone systems reduce chlorine demand by 50-70%. How? Ozone breaks down organic matter before it builds chlorine demand, so your water stays cleaner with less chemical.

The trade-off: ozone units cost £400-1,200 to buy, need annual servicing, and require a basic inline circulation setup. They're loud (a faint buzzing hum). They're brilliant if you use your pool heavily or dislike the smell and irritation of chlorine, less critical if you use it sparingly.

Ozone doesn't replace chlorine entirely—you still need residual chlorine to protect water between uses. But it materially improves water quality and comfort, especially for families with sensitive skin.

Steps and Entry Solutions

Standard metal or plastic steps run £60-200 and bolt to the pool edge. They're functional, sometimes wobbly in older models, and fine if you're young and mobile.

Wide, graduating steps (£150-300) feel safer if you have elderly visitors or young children. Softer grip surfaces matter if the pool's in sun and gets slippery. Some steps fold away, useful in tight gardens.

Automatic step systems (£1,000+) lower and raise electrically. They're genuinely clever if you have mobility issues, but most UK gardens don't justify the expense and they're repair-prone.

Ramp systems (£200-500) work better than steps if you're disabled. They're slow to enter but reliable. Worth exploring if you need disabled access.

What Else?

A small debris net (£20-40) and pump filter cleaner pay for themselves immediately. A pool thermometer and decent cover are essentials. Everything else depends on your use pattern: if you're in daily, invest in circulation and water quality. If you're occasional, keep it simple.

The best accessory is the one you'll actually use. A £600 chiller gathering dust is wasted money; a £40 net you use twice weekly isn't.