Mercia Premium Helios Summerhouse 10x10

  • Stunning, spacious modern summerhouse.
  • Unique curved, tongue and groove roof.
  • Large glazed double doors with fitted windows and lock and key.
  • Chrome door handle and hinges.
  • 6 fitted windows made from safety styrene glazing.
Free Delivery: Up to 6 weeks due to high demand
Most UK Mainland destinations - learn more

Out of stock

As low as £1,669.00 Regular Price £1,799.00

Size: W2970 D3150 H2100 mm Highest/widest points approx.
Exact colour may vary.

I'll be in the gardenWhat better place to enjoy long evenings with friends and a barbecue than in the Mercia Premium Helios Summerhouse 10x10

A wonderful, contemporary timber summerhouse with plenty of light from the large windows and glazed doors. Ample space to create a fabulous home office - where better to work than in the serene setting of your garden.


  • Contemporary design with curved roof
  • Dip treated timber
  • 12mm shiplap tongue and groove cladding which offers strength and weatherproofing
  • 28 x 44mm framing
  • 12mm tongue and groove floor and roof
  • Good quality mineral felt
  • 6 styrene glazed, fixed 3/4 length windows
  • Glazed double doors
  • Lock and key
  • Factory fitted windows and doors
  • 10 year anti-rot guarantee 
  • Supplied flat packed - 2 person assembly recommended


  • Width (front): 9' 9" (2.97m)
  • Depth (side): 10' 4" (3.15m)
  • Front height: 6' 9" (2.06m)
  • Back height: 5' 9" (1.74m)
  • Double door width: 3' 9" (1.19m)
  • Door height: 5' 8" (1.70m)

All listed metric dimensions include the roof overhang.

An installation service and portabase are available for this summerhouse - please see Accessories above for details.

A portabase offers a sturdy and robust base without the need for concrete.

Please note, should you wish to purchase a portabase and have the summerhouse installed, there is an additional charge for the installation of the portabase - please see Accessories above for details.

Should you opt for the installation service, the lead time for delivery will be between 2-3 weeks and installation will be arranged within a couple of working days from the date your building is delivered.
The Mercia Premium Helios Summerhouse 10x10 is supplied pre-treated with a water based timber treatment for protection during transit. In order to receive the full 10 year anti-rot guarantee, it is necessary that you treat the garden building with a high quality, spirit-based, timber preservative prior to or shortly after construction.

It is recommended the summerhouse is built on solid and level ground, ie. concrete or garden slabs.
This summer house is one of 3 Helios summer houses for sale - please see Related Products below.
Please see our complete range of Mercia summerhouses.
Mercia are a Nottinghamshire based timber garden building manufacturer, dealing in a range of huge quality wooden sheds, summerhouses, greenhouses, award winning wooden playhouses, log cabins and fencing to suit every garden and every budget.

For this product, free delivery is available to most UK mainland addresses.

A surcharge will be added at the checkout for the following postcodes: Northern Ireland BT, AB, CF, DD, DG, DT6-8, EH, EX, FK, G, GY, JE, IM, IV (no delivery IV41-56), KA (no delivery KA27-28), KW (no delivery KW15-17), KY, LD, LL, ML, PA (no delivery PA20, 41-78), PH (no delivery PH42-44), PL, PO30-41, SA, SY, TA, TD, TQ and TR (no delivery TR21-25) postcodes

No delivery available to: Republic of Ireland, TR21-TR25, ZE, HS, KW15-17, IV41-56, KA27-28, PA20, PA41-78, PH42-44

Delivery to Isle of Man, Jersey, Guernsey, Scilly Isles, Shetland Isles, Orkney Isles, Outer Hebrides, Scottish Islands IV41-51, 55-56, KA27-28

Deliveries to the above offshore islands can only be made to the nearest UK mainland port - a surcharge will be added for this at the checkout. It is your responsibility to arrange onward delivery at your own cost from the UK mainland port to your home address. When placing your order it is important you supply us with the port address you would like your delivery to be shipped from together with your home address. You will be contacted by the delivery team who will give you the relevant details about your order.

A surcharge will be added for all log cabin orders as above

On receipt of order

Customers will be contacted between 2 to 3 working days after the order has been placed to arrange a suitable delivery date. Customers can also book their own delivery via the delivery portal which will be emailed or texted to you.

Deliveries are made Monday - Friday between 7am and 7pm. Customers will be emailed or texted on the morning of the delivery giving a 2 hour delivery time slot. The driver will aim to contact customers 30 minutes before arrival.

Customers must be available to check and sign for the delivery unless written confirmation has been received from the customer that the item can be left securely.

Delivery will be made to the nearest point that is adjacent to the roadway and clear of obstruction. Carriers will not move products around or through the property.

Please use the delivery time as a guide. Although we endeavour to deliver within the lead time stated, or on a specific date if you have been contacted directly by a supplier, delays can occur that are out of our control. We cannot accept any liability for any delay in delivery for any reason.

For more information on delivery please see our Delivery FAQs.

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