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Two very different ways to bring water into your garden
When people first start thinking about a pool, one of the earliest questions is simple. Should it sit on top of the ground, or should it be set down into it?
It’s a fair question. An above ground pool can be a quick, flexible way to get swimming at home. An in-ground pool is a bigger step, and it becomes a permanent part of your garden and your home. Both have their place, and both make lots of families very happy.
We install in-ground one-piece pools, so we’ll be honest about where we’re coming from. But we also want you to make the right choice for you. So in this guide we’ll compare the two fairly, look at the things that matter most day to day, and explain why many families decide to go in-ground.
A quick word on what we mean
A pool that sits above the ground is usually a freestanding structure. It might have a steel, resin or timber frame with a liner inside, and it can sometimes be partly sunk into a slope or surrounded with decking. An in-ground pool is set into an excavated hole, with its rim level with your paving or lawn. Ours arrive as a single moulded shell that’s lowered into place.
Each option starts from a different place
Before comparing the details, it helps to understand what each type is really designed for.
Built for flexibility
An above ground pool is built to be simpler to put up and, in some cases, to take down again. They often suit people who are renting, who aren’t sure how much they’ll use a pool, or who want something for the children while they’re young. Some are seasonal and packed away over winter. Others are more solid and stay up all year.
The range is wide. At one end you’ll find inflatable and pop-up pools for splashing about. At the other there are sturdy framed pools with proper filtration, surrounded by decking so they look more permanent. The better ones can give you real swimming fun for several summers.
Built to be part of the home
An in-ground pool is designed as a long-term feature. It’s planned around the garden, the house and the way you live. The water sits at ground level, so it feels like part of the landscape rather than something placed on top of it. Most families who choose this route see it as an investment in years of use, not a summer trial.
Somewhere in between
There are also sunken and semi-sunken designs, and raised pools with built-up walls. These can work well on sloping plots. If you’d like to see the wider picture, our guide to the types of swimming pools and their benefits covers the main choices.
An above ground pool and an in-ground pool look and feel very different
For many families, the look of the pool is what settles the decision. It’s worth thinking about how it’ll feel to see it from the kitchen window every day.
How it sits in the garden
A freestanding pool stands up from the lawn, often by a metre or more. You climb steps or a ladder to get in. That can work well, especially with some smart decking around it. But it does tend to break up the view across the garden.
An in-ground pool keeps sightlines open. The water is level with the terrace, so the garden still feels spacious. You can step straight in, sit on the edge with your feet in the water, or walk around it without climbing anything.
Getting in and out
Access matters more than people expect. Here’s what to think about:
- Steps or ladder. Raised pools usually rely on an external ladder or steps, plus a ladder inside.
- Built-in entry. In-ground pools can have wide internal steps or a bench, which are easier for younger children and older family members.
- Sitting and relaxing. A flush edge makes it natural to sit on the side and chat, which many people love.
Landscaping around it
With a raised design, the planting and paving need to work around a tall structure. With an in-ground pool, you can plan paving, lighting and planting as one scheme. It tends to look settled from day one.
Cost, lifespan and value work out differently over time
We don’t give prices in guides like this, because every garden is different. But we can explain how the costs tend to behave.
What you pay at the start
An above ground pool is usually the lower upfront outlay. There’s less digging, less groundwork and often a simpler install. An in-ground pool involves excavation, a solid base, pipework and a finished surround, so the initial investment is bigger.
What you pay over the years
Running and replacement costs are where things even out. Things to weigh up include:
- Lifespan. Many freestanding pools use liners and frames that need replacing after a number of years. A well-installed one-piece shell is built to last much longer.
- Heat loss. Water in a raised pool is surrounded by air on all sides, so it can lose heat faster. The ground around an in-ground pool helps insulate it.
- Equipment. Better filtration, heating and covers are easier to integrate into an in-ground project from the start.
What it adds to your home
A permanent, well-designed pool can be a real attraction for some buyers. A temporary structure is usually seen as garden equipment rather than part of the property. We’d never promise a pool will add value, as it depends on the house and the area, but it’s worth bearing in mind.
If you’d like a realistic picture of what an in-ground project involves for your garden, we’re always happy to give a tailored quote.
Warmth, comfort and upkeep matter more than you might think
The first summer is exciting whichever pool you choose. What really counts is how easy it is to enjoy year after year.
Keeping the water warm
In the UK, heating makes a huge difference to how much you’ll swim. A raised pool can be heated, but its exposed sides mean it often cools quickly on breezy evenings. An in-ground pool, paired with a good heating system and a well-fitted cover, holds its temperature far better. Our guide to swimming pool heating goes into the options in more detail.
Keeping the water clean
Both types need filtration, a sensible chemical balance and regular checks. Larger in-ground pools usually have a proper plant room with a correctly sized pump and filter, which keeps the water clear with less fuss.
If you’re handling pool chemicals yourself, please follow the label, wear gloves and eye protection, never mix chemicals, always add chemical to water rather than water to chemical, keep swimmers out until the water is balanced, and store everything away from children and pets.
Looking after the structure
Liners can puncture, sag or fade. Frames can rust or weather, especially through a wet British winter. It’s worth checking the bolts, joints and walls of an above ground pool every spring before you fill it up again. The surface of a one-piece shell is smooth and tough, which makes it easier to keep clean and less inviting for algae. Our guide to container swimming pools covers this in more detail.
Planning and practical questions come up for both
Wherever the pool sits, a few practical points are worth checking early on.
Planning permission
Many garden pools fall within permitted development, but not all. It depends on the size, the position, your property and whether you live in a conservation area or a listed building. Raised structures can raise their own questions because of their height. Always check with your local council before you commit. Our guide to swimming pool planning permission explains the basics.
Ground and access
A freestanding pool needs a completely level, firm base. Soft or sloping ground can cause problems. An in-ground pool needs access for a digger and for the shell to be delivered and lifted in, so we always look at this carefully during a site visit.
We’ll also think about drainage, trees and any services running under the lawn. Roots, soggy clay and hidden pipes are all easier to plan around at the start than to deal with halfway through a dig. A good survey takes the guesswork out, and it means your timeline and quote are based on your actual garden rather than a best guess.
Safety
Raised sides can act as a partial barrier, which some parents find reassuring. But ladders can be climbed, so supervision is essential either way. In-ground pools can have a safety cover, fencing or both. Whatever you choose, keep a close eye on children around water at all times.
Why many families choose an in-ground one-piece pool
When people weigh everything up, the reasons they give for going in-ground tend to be the same.
It feels like part of the home
A pool at ground level looks settled and considered. Guests often say it feels as if it’s always been there. It becomes the heart of the garden, somewhere to gather on summer evenings and somewhere to swim first thing in the morning.
A one-piece shell is quick to install
Our pools are made as a single moulded shell. That means less time on site, with far less disruption than a pool built from scratch. You can explore our full range of pools to see the shapes and sizes available.
It’s built for the long term
Families tell us they want something that’ll still be giving them joy in fifteen or twenty years. A solid shell, good equipment and proper aftercare make that far more likely. We look after servicing and repairs too, so you’re not on your own once the pool is in.
When a raised pool might suit you better
We’d rather you were happy than sold the wrong thing. Plenty of people start with something simple and upgrade later, and that’s a perfectly sensible path. A freestanding pool may be the better choice if:
- You’re renting, or planning to move in the next year or two.
- You want to test whether your family will really use a pool.
- Your garden has no access at all for machinery.
- You’re after something mainly for young children over a few summers.
There’s nothing wrong with any of these. They’re simply different goals.
Above ground pool questions we get asked a lot
Can a raised pool be sunk into the ground?
Some can be partly sunk, but many aren’t designed to cope with soil pressing against the walls. Always check with the manufacturer before digging, as it can affect the structure.
Is an in-ground pool much more work to look after?
Not usually. The daily jobs are much the same as for any pool. With a good filter, an automatic cover and a regular service, many owners find the routine simple. We offer aftercare and servicing to help.
Can I heat a raised pool?
Yes, most can be heated. They just tend to lose warmth more quickly, so a good cover makes a big difference.
How long does an in-ground one-piece pool take to install?
Much less time than a traditionally built pool, because the shell arrives ready made. We’ll give you a realistic timeline once we’ve seen your garden.
Do I need planning permission?
Often not, but it depends on your property and the pool’s size and position. Check with your local council before you go ahead.
Choosing between an above ground pool and in-ground with confidence
There’s no wrong answer here. A raised pool can be a lovely, flexible way to enjoy the water. An in-ground one-piece pool is a longer-term commitment that brings warmth, comfort and a garden that feels finished.
If you’re leaning towards in-ground, or you’d simply like to talk it through, we’d love to help. We’ll visit, look at your space and give you honest advice about what will work. There’s no obligation, and no question is too small.
Call us on 01483 323 676 or email hello@hilifepools.co.uk for a friendly, no-pressure chat, or get in touch online and we’ll come back to you.
