Clapham 10000 Mattress
5 Layers of Pocket Springs
OEKO-TEX® Standard 100 Certified | Spring Count (King): 12700
Clapham 10000 Mattress - Queen Mattress (60 x 80") is backordered and will ship as soon as it is back in stock.
Enhance your Harrison Spinks Clapham 10000 Mattress
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Standard Sizes | Custom Sizes | Uncommon Sizes | European Sizes
| Width x Length | |||
| Crib | 28 x 51" | 71.1 x 129.5 cm | |
| Half Queen | 30 x 79 ½" | 76.2 x 202 cm | |
| Twin/Single | 38 x 74 ½" | 96.5 x 189 cm | |
| Twin/Single Extra Long (XL) | 38 x 79 ½" | 96.5 x 202 cm | Also known as "Twin Long" |
| Double/Full | 53 x 74 ½" | 134.5 x 189 cm | Also known as "Standard" |
| Queen RV | 60 x 74 ½" | 152.5 x 189 cm |
RV mattresses are typically this size |
| Queen | 60 x 79 ½" | 152.5 x 202 cm | |
| King RV | 72 x 79 ½" | 183 x 202 cm | Gaining in popularity in RV's |
| California King (Western King)1 | 72 x 84" | 183 x 213 cm | |
| King (Eastern King) | 76 x 79 ½" | 193 x 202 cm | Standard Canadian & American King |
1 - Although California King is available in Canada, this size only represents a small portion of our king mattress sales.
Nearly all mattress sizes are rounded up. For example a Twin bed in real-world dimensions is usually 38 x 74" or a Double is 53 x 74". Queen and King are almost always 79 inches long. Most mattresses today are still primarily hand made, which will always lead to variances. Foam mattresses tend to adhere to sizing guidelines more accurately than spring mattresses.
Square, rectangle, round, cut corners to fit antique four poster beds, we're well-suited to work with our manufacturing partners to provide these unique requirements. Our handcrafted luxury natural mattress range from Berkeley Ergonomics, Harrison Spinks, and t•masc (made in Ottawa by Obasan) allows for just about any possibility.
Our custom mattress category is an excellent starting point for obtaining ideas and approximate pricing on special sized natural mattresses.
Our partner suppliers are able to craft a mattress in just about any of these uncommon mattress dimensions. Be sure to check out our custom mattress category as a starting point to source these sizes.
| Old Style Single2 | 36 x 72" | 91.4 x 182.9 cm |
| Twin/Single Waterbed | 36 x 82" | 91.4 x 208.3 cm |
| Half California King | 36 x 84" | 91.4 x 213.4 cm |
| Supersingle (3/4) | 47 x 74 ½" | 119.5 x 189 cm |
| Supersingle (3/4) Extra Long (XL) | 47 x 79 ½" | 119.5 x 202 cm |
| Supersingle Waterbed | 47 x 82" | 119.4 x 208.3 cm |
| Double/Full Extra Long (XL) | 53 x 79 ½" | 134.5 x 202 cm |
| Queen Waterbed | 58 x 82" | 147.3 x 208.3 cm |
| California Queen3 | 60 x 84" | 152.4 x 213.4 cm |
| King Waterbed | 70 x 82" | 177.8 x 208.3 cm |
| Alaskan King | 108 x 108" | 274.3 x 274.3 cm |
Note, sizing may vary dependent upon the manufacturer.
2 - 36 x 72" was a common size in the middle part of the 20th century. It is no longer a standard size.
3 - California Queen was used primarily as a replacement for wood-framed water beds and is nearly obsolete.
This table lists the European sizes we most frequently source for our customers here in Canada. Our TEAM 7 European Platform Beds are available in most of these sizes.
| Width x Length | ||
| EU - Single/Twin | 90 x 200 cm | |
| EU - Single Extra Long | 90 x 210 cm | |
| EU - Small Double | 120 x 200 cm | |
| EU - Double | 140 x 200 cm | |
| EU - King | 160 x 200 cm | |
| EU - Grand King | 180 x 200 cm | |
| NL - Extra-Large Double | 200 x 210 cm | TMASC King |
| UK - King | 152 x 198 cm | 60 x 78" |
| UK - Queen or Super King | 183 x 198 cm | 72 x 78" |
Visit our European & British Mattress & Bed Sizes page for more details.
About Discrepancies
It is normal for a particular mattress to not match up exactly to a size listed above. As many aspects of building a mattress are still done by hand, there will always be variations in sizing from one mattress to the next. Depending on the mattress manufacturer, deviations of 1" or more may still be considered as within the acceptable tolerance.
Clapham 10000 Mattress Specifications
The multiple layers of natural fillings and pocket springs found in this handcrafted masterpiece are listed in order from top-to-bottom, beginning with the fabric ticking, woven in-house by Harrison Spinks.
- Fine quality fabric ticking
- Harrison Spinks is the only bedmaker to weave their mattress fabric in-house
- The ticking is naturally fire-retardant, chemical-free
- Hand-tufted to all internal fillings and pocketed springs
- Turn-free (one-sided) design
- Designed to be rotated 180° only
- All-natural foam-free fillings
- Yorkshire wool layer
- British wool, hemp & flax blend layer
- Cotton, hemp & flax blend layer
- A deeply supportive pocket spring system, manufactured entirely in-house
- 5 layers of pocket springs
- HD 4000 bamboo micro springs
- HD 2700 zoned bamboo micro springs. Zoned springs provide enhanced support in the centre third of the mattress
- HD 2500 bamboo micro springs
- Sensa Intelligent spring core. This full-height pocket spring core forms the basis of support for the entire mattress
- Posturfil pocket springs. These provide a gentle base layer that behaves as a mini boxspring between the Sensa Intelligent spring core
- Spring counts (all layers combined):
- 10,000 pocket coils in queen size
- 12,700 pocket coils in king size
- Homegrown hemp filling is beneath the pocket spring layers at the base of the mattress
- Available on request in all North American, British and European mattress sizes. Custom sizes, including irregular shapes, are also available
- All Harrison Spinks mattresses are foam-free and glue-free
- Handcrafted in the United Kingdom
- Harrison Spinks owns and manages their 300-acre farm in North Yorkshire
- Harrison Spinks is the only UK bedmaker to operate their own farm, where they grow hemp and flax and raises prize-winning sheep
- The farm is located just 18 miles away from the factory in Leeds
About the Harrison Spinks Clapham 10000 Mattress
About the Harrison Spinks Clapham 10000 Mattress
About Harrison Spinks
Inventors, innovators and passionate perfectionists since 1840, Harrison Spinks are the inventors of the world-leading pocket spring technology, used throughout their mattress collections.
Harrison Spinks 300-acre farm is located in North Yorkshire, Great Britain. The factory campus is located just 18 miles west of the farm in Leeds.
About TMASC
Established in Edmonton in 2006, The Mattress & Sleep Company is a family owned and operated business with stores in Calgary, Edmonton, and Sherwood Park.
120 Night Comfort Trial
120 Night Comfort Trial
Harrison Spinks 120 Night Comfort Trial
The Mattress & Sleep Company believes Harrison Spinks craft the best traditional handmade foam-free mattresses in the world.
Their micro spring technology is unlike any other. The result is that Harrison Spinks British Luxury Collection beds are more substantial and comfortable than other luxury mattress offerings.
We also firmly believe that Harrison Spinks uniquely vertically integrated production results in astonishingly competitive pricing compared to their peers.
For these reasons, we offer exchanges in a limited context on Harrison Spinks mattresses:
- Harrison Spinks exchange privileges are available to our local (Calgary & Edmonton areas) customers only.
- A mattress protector must be purchased on the original mattress invoice and must be used at all times.
- An exchange must be initiated between 30 and 120 nights from the date of delivery.
- Exchanges are only available for Queen and King size mattresses.
- Split firmness (ie: half medium/half firm) Queen and King mattresses are ineligible for exchange.
- A 25% restocking fee will be levied against the prevailing Retail Price of the returned mattress.
- If the newly-selected mattress is priced lower than the returned mattress, we will issue an in-store credit for the difference (less the 25% restocking fee).
- Rips, stains or any such wear & tear invalidate this exchange privilege.
- Mattress toppers are ineligible for this exchange privilege.
- For added clarity, refunds are not permitted. The cost of delivering the newly-selected mattress and returning the original mattress is included in the 25% restocking fee.
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ClickTap to Close the Availability & Lead Times tab
Calgary Edmonton Sherwood Park Usually available for immediate collection at our Alberta galleries or prompt nationwide dispatch.
Calgary Warehouse Edmonton Warehouse Regularly held at our regional distribution centres; we specialize in white-glove local delivery, immediate collection, and nationwide freight. Learn more about our furniture & mattress delivery.
Regularly Stocked Clapham Variants

Queen Mattress (60 x 80")

King Mattress (76 x 80")
Clapham Lead Times
If a specific variant isn't listed as 'Regularly Stocked,' it is made to order just for you. Please allow 8-16 weeks for Harrison Spinks to produce and prepare your selection for dispatch.
On Display/Samples In-store
The Clapham 10000 Mattress is available to experience in-person (as a display model or physical sample) at these store locations: Calgary, Edmonton, and Sherwood Park.
Inventory Notice
Stock levels are updated frequently but are not real-time. Final availability and lead times will be confirmed at the time of order processing. Our team is available to assist with availability and lead times. Call us toll-free at 1-877-750-1212.

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