SLIMLINE & SMALL WATER TANKS
Tanks Designed For Your Home Sized From 320L - 4,500L
Water tanks designed specifically for suburban homes across Perth and Western Australia
Our Slimline and Small Water Tanks fit neatly down the side of your house, under eaves, or into compact backyards where space is limited.
Available in sizes from 320L to 4,500L, these space-saving rainwater tanks make it easy to reduce mains water use and secure your own supply for gardens, toilets, laundry or drinking water.
Proudly made in Perth, WA, our polyethylene rainwater tanks are UV resistant for harsh Western Australian conditions, drinking water safe and fully compliant with AS/NZS 4020 standards. Delivered ready to connect and suitable for placement directly onto paving, simply attach your downpipe and start collecting rainwater, no custom concrete pad required.
Backed by a 10-year guarantee, a West Coast Poly compact water tank is a simple, reliable way to take control of your household water supply. Built for WA homes. Built to last.
Looking For A Larger Tank? For Tank Sizes 4,500L to 50,000L Head To Our Large Capacity Water Tanks Page
We make it easy to start collecting rainwater
SLIMLINE WATER TANKS
| VOLUME | PRICE Inc GST | HEIGHT/INLET | WIDTH | LENGTH |
|---|---|---|---|---|
| 1,500L Slimline | $1,269 | 1.87M | 0.80M | 1.40M |
| 2,500L Spacesaver | $1,929 | 2.08M | 0.72M | 2.38M |
| 3,000L Terrace | $2,099 | 2.10M | 0.80M | 2.56M |
| 4,500L Mega Slim | $2,759 | 2.04M | 0.99M | 3.10M |
STANDARD FITTINGS
Fully installed in tank at time of delivery
All fittings are WaterMark approved
ROUND WATER TANKS
| VOLUME | PRICE Inc GST | DIAMETER | WALL HEIGHT | HEIGHT/INLET |
|---|---|---|---|---|
| 320L Mini | $629 | 0.59M | 1.23M | 1.31M |
| 550L Tall | $739 | 0.62M | 1.99M | 2.04M |
| 720L Courtyard | $779 | 0.80M | 1.50M | 1.60M |
| 1200L Midi | $919 | 1.07M | 1.45M | 1.60M |
| 2500L Suburban | $1,229 | 1.42M | 1.62M | 1.89M |
| 3700L Backyard | $1,499 | 1.65M | 1.75M | 2.07M |
STANDARD FITTINGS
Fully installed in tank at time of delivery
All fittings are WaterMark approved
COLOUR RANGE AVAILABLE:
-
SMOOTH CREAM
(Classic Cream®) - WHEAT
-
WHITE SURFMIST
(Surfmist®) -
MERINO
(Paperbark®) - BEIGE
-
BIRCH GREY
(Dune®) -
NATIVE GREY
(Wallaby®) - BASALT
-
AUTUMN BROWN
(Jasper®) - HERITAGE RED
-
MIST GREEN
(Pale Eucalypt®) -
RIVER GUM
(Wilderness®) -
HERITAGE GREEN
(Cottage Green®) - TORRIS BLUE
-
METAL GREY
(Ironstone®) -
MOUNTAIN BLUE
(Deep Ocean®) -
GULL GREY
(Shale Grey®) - LIGHT GREY
- ARMOUR GREY
-
SLATE GREY
(Woodland Grey®) -
CHARCOAL
(Monument®) -
BLACK
(Night Sky®)
Colours shown are an indication only, colours may vary. If colour required not shown, contact us for more options.
STANDARD FIT-OUT
A standard fit out consists of the overflow and drain bung on the right hand side and the tap at the front in the middle, the leaf strainer is placed at the inlet on the top of the tank (as per diagram).
If a standard fit out is not suitable this can be changed at time of order placement, there is no additional charge for this.
Round Tanks
320L MINI
550L TALL
720L COURTYARD
1,200L MIDI
2,500L SUBURBAN
3,700L BACKYARD
Slimline Tanks
1,500L SLIMLINE
2,500L SPACESAVER
3,000L TERRACE
4,500L MEGA SLIM
STANDARD FITTINGS
Lever Action Tap 19mm
Leaf Strainer
19mm Drain Bung
Mosquito-proof overflow
50mm for sizes
720L & 1,500L
Mosquito-proof overflow 90mm for sizes 2,500L & 3,000L
Screw Top Lid
See grid below for fitting sizes for individual Tanks.
Round Tanks
| Fittings | 320L Mini | 550L Tank | 720L Courtyard | 1,200L Midi | 2,500L Suburban | 3,700L Backyard |
|---|---|---|---|---|---|---|
| Tap | 19 | 19 | 19 | 19 | 19 | 19 |
| Overflow | 50 | 50 | 50 | 50 | 90 | 90 |
| Drain Bung | 19 | 19 | 19 | 19 | 19 | 19 |
| Tap Height | 355 | 300 | 340 | 355 | 475 | 600 |
| Leaf Strainer | 200 | 200 | 200 | 400 | 400 | 400 |
| Screw Top Lid | 255 | 255 | 255* | 455 | 455* | 455 |
Slimline Tanks
| Fittings | 1,500L Slimline | 2,500L Spacesaver | 3,000L Terrace |
|---|---|---|---|
| Tap | 19 | 19 | 19 |
| Overflow | 50 | 90 | 50 |
| Drain Bung | 19 | 19 | 19 |
| Tap Height | 375 | 390 | 390 |
| Leaf Strainer | 200 | 200 | 200 |
| Screw Top Lid | 255* | 255 | 255* |
ADDITIONAL OPTIONS
Other fittings available on request
1. COLLECT & PROTECT YOUR RAINWATER
Keep debris out of your rain harvesting system so it stays clean.
Leaf Eater Advanced
Total Rain
2. DIVERT YOUR RAINWATER
Divert contaminated roof run off, keeping your tank clean.
FIRST FLUSH WATER DIVERTER
Carrot Water Diverter
3. FINAL STAGE FILTRATION
Ensure your water is ready to use through proper filtering.
Davy Twin Filter Housings
Davey UV Water Disinfection KUV57A
Other filtration solutions available upon request.
PUMPS
West Coast Poly offer advice and sales on a range of quality Davey and Onga Pumps for the purpose of household water pressure, garden watering and other applications.
Davey XP45T
Onga JMP100
Davey XF171
Davey HP65-06T Torrium 2
DELIVERY
West Coast Poly offers an efficient delivery service direct to you. A Delivery Fee of $143 Inc GST applies to all Residential Tanks (320L – 4,500L Slimline) delivered direct to customers address/premises in the Perth Metro Area and Regional WA Areas within 800km of our Canning Vale Factory.
The 4,500L Mega Slimline tank is curbside delivery only.
If you order your urban tank direct from your local distributor, it can be delivered direct to their Agency for you to collect or you can make alternative arrangements for delivery.
For more information see our Delivery Information
WARRANTY
Our Residential Water Storage Tanks sized 320L to 4,500L Slimline come with a 10 year guarantee. Please see the Warranty Information sheet for more information.
BENEFITS OF CHOOSING A WEST COAST POLY TANK
Space Saving Design
Mesh Leaf Strainer For Clean Rainwater
UV Resistant & Drinking Water Safe
Makes Rainwater Harvesting Simple
Bug Proof Overflow Vent
WA Made With A 10 Year Guarantee
Easy Access Water Tap
Can Be Placed Directly Onto Pavers
Customised Tank Fit Out Options
WE SET THE STANDARD HIGH
WHY CHOOSE WEST COAST POLY
West Coast Poly has earned an impressive reputation as one of the leading and largest manufacturers of polyethylene storage tanks in Western Australia.
You will be dealing with a company with advanced manufacturing systems and unmatched manufacturing ability.
Talking with experienced local personnel who understand the home-grown conditions for the rural, residential and mining/industrial sectors of Western Australia.
Assured that our service and manufacturing practices are of the highest standards, guaranteeing a top-quality, well-designed product.
DOWNLOAD OUR LATEST
2026 PRICE LIST
Grab a copy of our current Price List here! All our products, pricing and dimensions at your fingertips.