Fully natural swimming ponds
Our central offer: naturally balanced swimming ponds where the regeneration zone, aquatic planting, gravel media and biological processes shape both water quality and landscape character.
Natural Swimming Ponds
Natural swimming ponds · Devon & Cornwall
Living water, made for swimming
Bespoke natural swimming ponds centred on planted regeneration, habitat and landscape—using simple circulation where it helps, and selective filtration only when the site and expectations justify it.
Beautiful because it works naturallyThe swimming experience, water treatment and landscape character are resolved together from the outset.
Bespoke natural swimming ponds
A swimming pond should feel like part of the landscape
SAS Aquatics creates natural swimming ponds and living water landscapes across Devon and Cornwall, combining a practical swimming area with planted regeneration, natural stone, gravel, aquatic planting and wildlife value.
Natural swimming ponds are living waterbodies, not chemically treated pools. Their appearance changes through the seasons; some algae, insects and wildlife are normal, and good performance depends on space, nutrient control, realistic maintenance and a design suited to the site.
Choose the right approach
Plant-led by default, with filtration used selectively
Our principal approach uses planted regeneration zones, natural processes and simple, robust circulation where useful. A more mechanically filtered hybrid is considered when space is restricted, the budget supports it and the client expects greater control over water appearance.
Hybrid natural swimming ponds
A more engineered option using carefully specified skimming, pumps and filtration where limited space or pool-like clarity expectations justify the additional cost, servicing and equipment access.
Swimming pond and pool conversions
Realistic assessment and transformation of suitable pools or waterbodies, from relining and planted-zone restructuring to simplifying failed filtration. Some sites require substantial rebuilding to convert economically.
Servicing and management
Sediment removal, planted-zone renovation, pump and skimmer servicing, leak investigation, equipment simplification and practical seasonal care for natural and hybrid systems.
A landscape investment
For clients planning more than a conventional pool
Natural swimming ponds suit people who want water to become a defining part of the property: somewhere to swim, observe wildlife and enjoy throughout the year—not an isolated blue rectangle used only in summer.
Not sure where to start? Tell us about the site →- Country homes, estates and high-quality rural landscapes
- Garden projects led by architecture, planting and sense of place
- Clients comfortable with seasonal, living water and practical maintenance
- Existing pools with potential for a more natural future
- Architects and landscape professionals seeking practical delivery input
Living water, thoughtfully engineered
How a naturally balanced swimming pond supports swimmable water
The landscape may look effortless, but a reliable living system depends on adequate planted treatment area, suitable depths and edges, control of nutrient-rich runoff, careful materials and practical circulation or skimming where useful.
Planting, gravel and useful space
A practical swimming area is paired with appropriately sized planted regeneration zones, aquatic plants and suitable gravel or mineral media. Natural systems need enough room for these processes to work.
Runoff and nutrient control
Source water, nearby slopes, drains, fields, leaf fall and surrounding soils are considered early. Preventing nutrient-rich runoff is usually more valuable than trying to treat its effects later.
Depths, edges and natural materials
Appropriate swimming depths, safe entry, stable edge profiles, waterproofing, natural stone and landscape transitions are developed together around access and long-term care.
Simple circulation where useful
Modest pumps, skimming or simple circulation may be recommended where they improve reliability. A fully natural pond does not always mean no equipment or intervention.
Natural swimming pond costs vary widely with size, ground conditions, access, structure, waterproofing, filtration, finishes, planting and wider landscaping. We establish the viable route before specifying finishes or presenting a formal estimate.
How we work
Feasibility before finishes
A successful swimming pond begins with honest decisions about space, water, structure, access, use and maintenance. Surface finishes come later.
Site and ambitions
We discuss the property, how you want to swim and use the space, preferred character, approximate scale, access, programme and budget.
Feasibility and route
A site visit helps establish levels, ground, water, services, landscape opportunities and whether fully natural, hybrid or conversion is the strongest route.
Design and specification
The swimming zone, regeneration or filtration, structure, circulation, edges, planting and construction sequence are resolved together.
Build and aftercare
Construction, commissioning and planting are followed by clear guidance and an appropriate plan for establishment and long-term servicing.
Professional feasibility assessment from £500 + VAT
We review the submitted information first, then confirm the appropriate visit scope and fee before anything is booked. Design, specification and specialist supporting work are scoped separately where required.
Follow-on credit: £250 + VAT is credited to the first works invoice when SAS Aquatics is commissioned within six months for qualifying construction or major refurbishment of £10,000 + VAT or more. Written reports, specialist work and travel supplements are excluded; eligibility is confirmed before the visit.
Start with the project detailsFollow-on credit: £250 + VAT is credited to the first works invoice when SAS Aquatics is commissioned within six months for qualifying construction or major refurbishment of £10,000 + VAT or more. Written reports, specialist work and travel supplements are excluded; eligibility is confirmed before the visit.
Common questions
Useful answers before we talk
How do natural, hybrid and conventional pools differ?
A predominantly natural swimming pond gives planted regeneration and biological processes the central role and accepts seasonal variation. A hybrid keeps natural landscape character but adds more mechanical and biological filtration for greater control. A conventional pool relies on chemical treatment and is designed for consistently pool-like conditions.
Can an existing swimming pool be converted?
Sometimes. We assess structure, waterproofing, levels, access, services and treatment space, then compare conversion with partial or complete rebuilding. Not every pool or pond can be converted economically without substantial work.
Are natural swimming ponds maintenance-free?
No. Leaves, sediment, planting, water balance, circulation and any equipment all need appropriate care. Seasonal changes, some algae, insects and wildlife are normal; natural does not mean unmanaged.
When should we involve SAS Aquatics?
Ideally before the wider garden or landscape design is fixed. Early involvement makes it easier to coordinate levels, views, access, services, planting and the overall investment.
Do natural swimming ponds need planning permission?
Sometimes. The answer depends on the property, scale of earthworks, drainage, location, landscape designations and any listed-building, ecological or engineering constraints. We can help identify when planning or specialist advice should be brought in.
Can fish live in a natural swimming pond?
Fish are usually avoided in the swimming system because they add nutrients, disturb planting and make clear-water management harder. If keeping fish matters to you, tell us during feasibility so the waterbodies and treatment approach can be planned appropriately.
Do you use native plants?
Plant selection is led by the water-treatment role, site conditions, landscape character and long-term maintenance. Native and locally appropriate species are used where they perform well, alongside other suitable plants where the system requires them.
How much does a natural swimming pond cost?
There is no useful fixed price without understanding the site and brief. Size, excavation, access, structure, waterproofing, filtration, finishes and landscaping all matter. Our budget guide explains the main cost drivers before a site-specific estimate.
Start a conversation
Begin with the property and the experience you want
Send the location, site photographs or plans, approximate scale and what attracts you to natural swimming. We will help you identify the strongest route for the project.