Dolle Montreal Grey Spiral Stair Kit (1200mm) - Solid Beech

8 - 10 Weeks
Estimated Delivery 8 - 10 Weeks

Developed by a team of leading interior designers, the Montreal is a beautiful spiral staircase showcasing the very best in Scandinavian design. The Montreal's minimalist, clean and simple lines mean this stair will look stunning in virtually any situation.

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Due to the complexity and variations of this product, you will need to discuss your individual requirements with our technical department before proceeding. We will then be able to provide you with a price and specification that exactly suits your situation. Please use the contact form or telephone us during our normal office hours. We look forward to hearing from you.

01243 785 246

For international shipping, contact us to discuss your needs.

Dolle Montreal Grey Spiral Stair Kit - Information
Construction: Manufactured in Steel & Timber (Solid Beech)
Spiral Rotation: Clockwise or Anti-clockwise
Application: Indoor use
Metalwork Colour: Grey (RAL 9006)
Stair Diameter: 1200mm
Floor to Floor Heights: 2100mm to 2820mm (Standard Kit)
2730mm to 3525mm (requires additional Tread Kit(s))
- see Technical Data section
No. of Treads 
(Standard Kit):
11 Treads + 1 Landing Tread
Landing Tread: Triangular design complete with its own balustrade section
Tread Detail: 40mm thick varnished solid beech treads
Handrail Type: Flexible grey 40mm PVC handrail
Balustrade Detail: Made up of 25mm steel balusters (Grey colour)
Extras: Comes with fully illustrated assembly instructions
Additional Balusters Kit: see Technical Data section for details 
Upper Floor Balustrade: see Extra Options section for details 
Riser Bar Kit: A Riser Bar is fitted to each tread so it conforms to the 100mm gap rule (distance between the treads not exceeding 100mm).
N.B You will need to check with your local building authority to make sure the Dolle Montreal for your application is acceptable with Riser Bars.
Installation assistance: Please view the Manufacturers Installation Video
Dolle Montreal Grey Spiral Stair Kit - Technical Info
Metalwork Colour: Grey (RAL 9006)
Floor Heights achievable: 2100 - 2350mm (9 Treads + Landing Tread - 10 Rises)
2310 - 2585mm (10 Treads + Landing Tread -11 Rises)
2520 - 2820mm (11 Treads + Landing Tread -12 Rises)
2730 - 3055mm (12 Treads + Landing Tread -13 Rises)
2940 - 3290mm (13 Treads + Landing Tread -14 Rises)
3150 - 3525mm (14 Treads + Landing Tread -15 Rises)
Diameter: 1200mm Ø
Opening Size: 1300 x 1300mm *
Individual Rise: Adjustable from 210mm to 235mm
Tread Angle: Adjustable between 21° to 31°
Distance between Balusters: 127mm (can be reduced by purchasing additional balusters - see below)
Tread Thickness: 40mm

* Recommendation from Manufacturer.

Additional Balusters Kit:

Montreal Balusters2

The above Image shows the Montreal Spiral Stair Kit fitted with 1 x Additional Baluster Kit. This will reduce the spacing between each baluster from 127mm down to 76mm.

Dolle Montreal Grey Spiral Stair Kit - Extras
Products Price (£)
1200mm Diameter - Grey Metalwork colour - 12 Rises £1560.00
1200mm Diameter - Grey Metalwork colour - 13 Rises £1810.00
1200mm Diameter - Grey Metalwork colour - 14 Rises £2060.00
1200mm Diameter - Grey Metalwork colour - 15 Rises £2310.00
Additional Components
Additional Balusters Kit - reduces the spacings between the main balusters £110.00
Riser Bar Kit - (11 Bars) - One fitted to each tread (except the first) so it conforms
to the 100mm gap rule (Building Regs)

Above Prices include VAT

If you require the Stair Kit with any of the Components featured in the chart below then an order will need to be placed by contacting the Sales office on 01243 785 246 or alternatively emailing: There will be an additional carriage charge applied when purchasing these Components individually (not with a Stair Kit) and the lead time is likely to be extended.

Upper Floor Balustrade Components **
Component Price (£)
Upper Floor Balustrade Kit - 1000mm - Starter Pack
Incudes 10 x Balusters plus fixings,
1 x Corner Connection Piece / No Handrail
Upper Floor Balustrade Kit - 1000mm - Extension Pack
Incudes 9 x Balusters plus fixings / No Handrail
Handrail Kit (straight length) - 2000mm length £30.00
Corner Connection Piece - used to connect handrails
together at a 90 degree angle
Infill Baluster - used to fill the space between the connection
of the Stair Handrail to the Handrail on the landing floor

Above Prices include VAT

** Upper Floor Balustrade - Description:

The Montreal Starter pack is used when beginning the landing balustrade at the top of the Staircase. If you require longer than one metre in a straight run then an Extension pack can be used in addition as a continuation of the balustrade.

Please refer to our Upper Floor Balustrade Examples document for the Montreal Spiral Stair as a guide.

This product is not on a 1-3 working days schedule.
It comes directly from our supplier as we do not hold stock.

This is a made to order / bespoke product (not marked as ‘Estimated Delivery 1-3 days’) and once the manufacturing process has been started, you will not be able to cancel your order. If a cancellation enquiry is made and manufacturing has not started then we will issue a full refund back onto the same payment type as the product(s) were first purchased.

The delivery timescale is referenced at the top of the product page and will be confirmed to you at the time of order. 

Please read our full terms and conditions regarding the delivery procedure.

The delivery will be made by a transport carrier organised by the manufacturer, so it is important that you provide a contact telephone number.
As the transport carrier will contact you 24 hours prior to the delivery being scheduled.
Deliveries are usually made between 8:00am to 6:00pm Monday to Friday (excludes Bank Holidays).

Orders can be placed on our website for delivery destinations within the UK Mainland (England, Wales and Scotland).
For delivery destinations situated in the Highlands & Islands, Isle of Wight, Channel Islands, Isle of Man and Northern Ireland, please contact our Sales Office by email - to obtain a transport costing for the product.

For European or most Worldwide delivery destinations please email our Sales Office - with your enquiry detailing the product you are interested in, together with your full delivery address and contact information.
We can then return a Quotation for the product and delivery costs once this has been sourced from the transport company.

Important - please read before purchase
It is your responsibility to ensure that any local authority approvals necessary have been obtained. This will vary according to your application and we advise you to always check before going ahead with a purchase.

Fixed Ladders, Space Savers, Spirals and Loft Stairs are covered in the building regulations and we recommend you confirm with the Local Building Control Department regarding their suitability for any project prior to specifying.

Therefore it is your responsibility to ensure that any local authority approvals necessary have been obtained. This will vary according to your application and we advise you to always check before going ahead with a purchase.

Many of our products have been widely used in the past in conjunction with Building Control, but the interpretation of the requirements for any particular situation remains solely with your Local Building Control Department.