Pond Calculator

🏊 GRP Fibreglass Pond Calculator

Enter your pond dimensions to get an instant kit recommendation and full price breakdown,
including a 20% wastage allowance for a professional finish.

Step 1 — Enter your pond dimensions
m
m
m
Step 2 — Choose your colour (optional — included in price)
Jet Black
RAL 9005
✓
Dark Grey
BS 14C39
✓
Dark Green
Topfast BS18E51
✓
Trident Blue
BS18E51
✓

Colour is included in the kit price — no extra charge.

Is your pond base concrete? Concrete bases require Prymax Pond Sealer before applying GRP — we’ll calculate the right amount.
⚠️ Please enter valid dimensions — length, width and depth must all be greater than zero.
Pond Surface Area
—m²
With 20% Wastage
—m²
Kit Size Needed
—m²

Need a bespoke quote for a larger or irregular pond?

Talk to our team →