Pond design - shape and size (2024)

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How to design a pond shape to suit you:

  • Lay a hosepipe on the ground to look at the pond design shape from all angles.
  • Check for access around it.
  • View from inside (upstairs and downstairs).
  • Walk around outside it to check path width.
  • Consider the sharpness of any curves to the pond edge.
  • Think about mowing the lawn along this curve - is it too tight for the mower?
  • In a small garden space make your pond design as simple as possible - circle, square, rectangle or kidney.
  • Too much fuss in a shape can lead to the area feeling too busy.
  • Check whether your site is level.
  • The finished pond will have a water line that finds a level which may not be apparent to the naked eye.
  • A rockery or sloping cobble beach may help on a sloping site. Or link 2 smaller ponds together with a stream.

Use a similar method to think about the shape of the preform pond you might buy from a Garden Centre. Go with an idea of the shape & size that suits your space best.

Pond design - shape and size (1)
informal planted pond with bog garden surround

Design informal ponds for plants and wildlife:

  • Use more curved shapes for the informal pond design.
  • Curves look more relaxed and lend themselves to more informal, wildlife-friendly planting.
  • Design a sloping shelf or exit route with cobbles and spreading plants on at least one side of the pond for wildlife creatures.
  • Surround the wildlife pond by planting from a bog zone or moist planting area as an emergence area.
  • Include flat shelves below water level to create a range of shallow water planting levels all around the pond.
  • Depth does not need to be more than 60cm(2ft) deep.
  • Plan a sitting area near the pond.
  • This is often a favourite place to sit and watch the wildlife.

For more information go to our page: How to dig an informal wildlife pond with planting shelves.

Pond design - shape and size (2)
wildlife shallow edged pond linking the water with the land

Design a formal pond:

  • Structured shape and pond design - squares or rectangles.
  • Often fish ponds or raised planted ponds.
  • A fish pond would need to be 80cm(3ft) deep or more if for koi.
  • A part of their interest is in the formal design of the structure itself (see image above).
  • Include flat shelves creating a range of shallow water planting levels for plants.
  • Place the shelves in the corners or down 1 or 2 sides.

For more information go to our page: Construct a formal pond.

Pond design - shape and size (3)
design a formal raised pond

Pond design - size:

  • Make the pond cover as large a surface area as you can.
  • By the time you have finished and included the edge of the water area of the pond it always looks smaller than you expect.
  • It is easier to maintain the water temperature and ecosystem balance in a larger surface area pond.
  • The largest pond would be one built as a Natural swim pond - see our page on Swimming Ponds.

  • Think about a patio container pond for small garden spaces – it can be on a balcony or roof terrace. A focal point in the garden or placed in a secluded quiet corner near a seating area.
  • More detail on the Container Ponds page.

Pond design - shape and size (2024)

FAQs

What shape should my pond be? ›

In a small garden space make your pond design as simple as possible - circle, square, rectangle or kidney. Too much fuss in a shape can lead to the area feeling too busy. Check whether your site is level. The finished pond will have a water line that finds a level which may not be apparent to the naked eye.

What is a good size for a pond? ›

The average size of most ponds is 10′ x 15′ (roughly 150 square feet) with the deepest point being 24″. If you have underwater shelves for plants they usually go 12″ down. But these averages can be skewed due to: Streams increasing the overall size.

What is the best shape for a natural pond? ›

The best shape for a garden pond depends on the look and feel you want to create. Geometric shapes such as squares, rectangles and circles tend to be best for formal ponds. Curved or irregular ponds such as kidney shapes are better for more natural looking ponds.

What is the best shape for a wildlife pond? ›

Ideally a wildlife pond should have lots of shallow water, with wide shallow margins and gently sloping edges. If you want a pond that is a half metre or more deep it needs to be much bigger or you'll end up with very steep sides.

What should a healthy pond look like? ›

The signs of a well-balanced pond include healthy fish, clear water, thriving plants, and minimal pests such as algae. Keep reading to learn about the key features and equipment that help keep a pond running smoothly.

What makes a pond beautiful? ›

Lean Heavily Into Gravel and Stones

Filling your pond with small gravel of different sizes, shapes, and hues give it a gorgeous texture and color. Creating a stone border with larger stones will allow it to stand out while maintaining a natural aesthetic and safety when standing around the water feature.

How deep should a homemade pond be? ›

Pond depths should range from 2 to 4 feet deep, depending on your fish. Fish need space to swim, so deeper is better. Koi ponds should be at least 4 feet deep.

What is the best slope for a pond? ›

Slopes should range from a minimum ratio of 2:1 (2 feet of horizontal per 1 foot drop) to a maximum of 3:1 (3 feet of horizontal per 1 foot drop). Minimize the amount of edge by constructing a circular or rectangular shaped pond.

How can I make my pond more wildlife friendly? ›

Sloping sides – at least one side of the pond should have a long, shallow slope. This allows easy access for wildlife and, when water levels fluctuate, creates a damp habitat for smaller creatures. If you're making a container pond that isn't sunk into the ground, add a ramp on the outside and the inside.

What is the best land for a fish pond? ›

b) Impervious Soil Impervious soils consist of silt or clay or a mixture of one or both of these with a small percentage of sand and or gravel. Such soils have good water retaining properties and sites with this type of soil are suitable for constructing fish ponds.

What is the best stone for a wildlife pond? ›

Natural Stones
  • Granite: Known for its hardness and variety of colours, granite is a popular choice for ponds as it withstands weathering and maintains its colour over time. ...
  • Limestone: Limestone is lighter in colour and can help to brighten up shaded pond areas.

What is the recommended pond slope? ›

Slopes should range from a minimum ratio of 2:1 (2 feet of horizontal per 1 foot drop) to a maximum of 3:1 (3 feet of horizontal per 1 foot drop). Minimize the amount of edge by constructing a circular or rectangular shaped pond.

What is the best shape for a koi pond? ›

Koi fish ponds are often circular or bean-shaped. You are not, however, confined to them. You can play around with the shape to see what you like and dislike. You can have a square or irregularly shaped Koi pond.

What makes a good pond? ›

Location – shade over part of the pond helps to reduce problems with algae and suits many pond plants and animals. But make sure that at least part of the pond is in full sun. This will help the water warm up quickly in spring, making it more attractive to spawning frogs and toads.

What shape should a pond be in Feng Shui? ›

The ideal shape for the pond is round, but you can have different shapes if you like. According to feng shui, the depth and flow of the pond water will directly affect your wealth and income so you may want to ensure you get it right from the beginning.

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