At Auckland Inground Pools, we build beautiful, long-lasting concrete pools, and one of the first and most important questions we help owners with is: how deep should the pool be?
Choosing pool depth is about more than looks. It affects safety, how you’ll use the pool (play, lessons, laps, relaxing), ongoing maintenance, and whether you can legally install certain features (like a diving board). Below, we walk you through practical options, our recommendations for family-friendly concrete pools, and the rules you need to know in Auckland and the Waikato.
Quick overview — the short answer
- For general family use, we usually recommend a pool with a shallow end around 0.9–1.2 m and a deep end 1.6–1.8 m if you want a mix of play and casual swimming. This provides good usability for kids, adults, and teaching.
- If you want a lap pool, aim for 1.2 m to 1.5 m in depth (a constant depth is common for laps)
- For diving or a diving board, you need much greater depth — typically at least ~2.4 m (8 ft) for a backyard board; competition springboards/platforms require far greater depths. If diving is important, plan your concrete pool specifically for it.
Why depth matters (the practical side)
Safety — shallow water is safer for beginners and small children, but it can be too shallow for comfortable adult swimming and turning. Deep water is fun for older kids, but can be hazardous for toddlers.
Use cases — think about priority: playing/learn-to-swim, lap training, family entertaining, play features (slides/jump platforms), or diving. Each use has different depth requirements.
Cost and build complexity — deeper pools require more excavation, concrete, backfill and sometimes specialised structural engineering. That’s especially true for concrete pools, which are custom-built and can be formed to any depth and profile, but whose costs increase with depth and complexity.
Resale and household longevity — a versatile mid-range depth (shallow ~1.0–1.2 m, deep ~1.6–1.8 m) suits most families and is often the best compromise if future owners’ needs are unknown.
Typical depth plans we recommend for concrete pools
- Family recreational pool (our most common)
- Shallow: 0.9–1.1 m — safe for kids, comfortable stepping in.
- Deep: 1.6–1.8 m — good for casual diving from pool edges, play and stronger swimmers.
- Why: A balance between the child-friendly shallow end and the deep end is useful for adults.
Learner/kids’ pool
Constant or gradual depth 0.4–0.9 m for toddlers and beginners (note: any pool that can hold 400 mm / 0.4 m or more of water is treated as a pool under NZ rules, see Laws).
Lap/fitness pool
Constant 1.2–1.5 m — allows efficient lap swimming and tumble turns without touching bottom.
Diving area
If you want a diving board or platform, plan for ≥2.4 m (8 ft) at the dive end for small backyard boards, deeper for higher springboards or platforms; competition diving needs considerably more depth. If diving is on your wish list, talk to us early because the pool geometry, pool length and clearances all change.
Concrete pool-specific considerations
- Custom shaping: concrete allows gradual slopes, ledges, tanning shelves, and variable-depth designs that suit multi-use families. We can sculpt safe transition slopes (e.g., 1.0 m to 1.7 m) to maximise usable floor area.
- Durability & maintenance: A deeper concrete pool will need proportionally more water treatment and may have slightly higher heating costs. However, concrete pools are very durable and can be refurbished later if the depth or features need to be changed.
- Safety features: We often include internal seating, safety ledges, and clearly marked depth changes. These are cheap additions that improve safety and usability.
The legal and compliance picture (Auckland & New Zealand)
Pool rules changed significantly in recent years, and it’s essential you plan around the correct legal obligations:
Barrier requirement (400 mm rule)
In New Zealand, any pool that can be filled to 400 mm (0.4 m) or more requires a physical barrier (fence, gate, or barrier) to stop unsupervised access by young children. This applies whether the pool is full or empty and includes portable pools. The Building Code and MBIE guidance set out these expectations. Always check the latest MBIE guidance for details.
Legislative framework
The original Fencing of Swimming Pools Act 1987 has been repealed, and its functions have been folded into the current Building Act / Building Code processes, as well as local council regulations. This means pool fencing and barriers are managed under the Building Act/Code framework, with local councils enforcing compliance.
Auckland Council / local consent & inspections
For new in-ground concrete pools, you will normally require a building consent before construction begins. Council guidance also covers barrier specifications (height, climbable objects, gate latches, self-closing gates) and inspection regimes. Councils also have guidance on when inspections occur and may inspect pool barriers every few years
Practical compliance actions we take for you: when we build a concrete pool, we coordinate required consents and ensure pool plans show barrier positions, gate details, depth markings and compliance features, helping you avoid delays or remedial work later.
How we approach choosing depth with our clients
We ask how you’ll use the pool — teaching kids, lots of play, lap swimming, diving, or entertaining.
We consider the property — yard size, existing contours, underground services and access for excavation.
We balance safety and budget — deeper pools cost more; we look for the best compromise that meets your family’s needs.
We plan for future-proofing — features like a uniform mid-depth (1.4–1.6 m) can suit many needs if you’re unsure about future use, or we can add removable ledges and seating.
We handle compliance — we design and document to meet Building Code and council rules so your concrete pool passes inspection.
FAQs
Q: Do I need council consent to build a concrete pool in Auckland?
A: Yes — most in-ground concrete pools require a building consent. You should submit plans that include details on barriers and fences. We help clients prepare consent documentation and liaise with the council.
Q: Is there a minimum depth for a family pool?
A: There’s no government “minimum depth” for family pools, but there’s a legal threshold (0.4 m) that triggers barrier requirements. For practical family use, we recommend a shallow end of ~0.9–1.2 m and a deep end of ~1.6–1.8 m for mixed use.
Q: Can I have a diving board on a residential pool?
A: You can, but you must ensure the pool meets safe diving-depth standards (backyard guidance commonly recommends ~2.4 m or more for a diving board) and that other clearances and safety considerations are met. Diving significantly affects pool design, so plan for it from day one.
Q: What about toddlers — do I need a super shallow end?
A: If toddlers will be using the pool, many families add a separate shallow learner area or tanning shelf (0.2–0.6 m) or a removable safety cover. Remember, any area that holds ≥0.4 m of water needs a compliant barrier. We often design dual-level entries and wide steps to make toddler supervision easier.
Q: How much does deeper mean for cost and maintenance?
A: Expect higher excavation and concrete costs for deeper pools, and slightly higher water treatment and heating costs. Concrete pools are durable and can be refurbished, but the initial cost depends on size, depth and complexity. We’ll provide a detailed quote after a site visit.
Q: Can I change the pool depth later?
A: Changing a concrete pool’s depth later is difficult and expensive. That’s why we recommend finalising depth requirements during the design stage. Some smaller adjustments are possible during resurfacing, but major depth changes usually require major structural work.
Final recommendations (from our experience)
- If you want one pool to satisfy everyone, aim for a shallow end ~1.0–1.2 m and deep end ~1.6–1.8 m, it’s safe, family-friendly and works for teaching, play and casual laps.
- If you’re after fitness and lap swimming, consider a constant-depth pool 1.2–1.5 m deep to avoid touching the bottom.
- Avoid adding a diving board unless you can provide depth of at least 2.4 m and meet all safety clearances; for competition-level diving, you’ll need much greater depths.
- Talk to us early, depth shapes practically everything about design, cost and compliance. We prepare plans to meet Auckland Council and Building Code requirements (including the 400 mm/0.4 m barrier rule), so you’re not left fixing problems later
If you’d like, we can:
- Sketch three depth-layout options tailored to your yard and family needs (play-first, lap-first, or mixed), or
- Do a site visit and provide a firm quote for a concrete pool with the exact depth profile you prefer.
Tell us how you and your family plan to use the pool (kids’ ages, swimmers vs non-swimmers, desire for a diving board or lap lanes), and we’ll put together recommended depth plans and a compliance checklist for Auckland Council. Contact Auckland Inground Pools
Ph: 09 294 7572
