Estimated Delivery 2 - 3 Weeks

Arke Kompact Adjustable Modular Stair Kit


2 - 3 Weeks

The highly versatile Arke Kompact, can be installed in a number of configurations to suit those tricky or tight access applications. A choice of various colour combinations mean that the stair will fit in seamlessly with both traditional and contemporary décor.

For international shipping, contact us to discuss your needs.

Arke Kompact Modular Stair Kit - Information
Construction: Manufactured in Steel & Timber (Beech)
Colour Option:
Black (RAL 9017)
White (RAL 9010)
Grey (RAL 9006)
Overall Stair Width: 740mm (Kompact 74) or
890mm (Kompact 89)
Useable Tread Width: 700mm (Kompact 74) or
850mm (Kompact 89)
Floor to Floor Heights: 2250mm to 3030mm (Standard Kit)
2420mm to 3730mm (requires additional Tread Kit(s))
- see Technical Data section
Individual Rise: adjustable from 170mm to 235mm
Configuration Choice: Kompact L - 90 degree turn
Kompact U - 180 degree turn
see "Kompact Example Layouts" - Downloads section
Adjustable Tread Goings: Kompact 74 - 180mm to 220mm
Kompact 89 - 220mm to 260mm
No. of Treads 
(Standard Kit):
12 Treads (13 Rises)
Handrail Type: 42mm Solid Beech 
Light Natural or Dark tinted colour options
Baluster Type: 20mm Steel Balusters (black // white // grey colour options)
Tread Detail: Solid 42mm thick Beech Treads (varnished
either in a Light Natural or Dark tinted colour option 
- see Product Images
Optional Railing Kits: see "Kompact Optional Railing Kits" - Downloads section
Optional Upper Floor Balustrade Kit: Supplied in a 1200mm length (comprises of 10 balusters, handrail & fixings)
Optional 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) - see Product Images
N.B - A Riser Bar will not be required to be installed under the 1st tread of the Kompact Stair Kit

Note: You will need to check with your local building authority to make sure the Kompact Modular Stair Kit for your application is acceptable with Riser Bars.

Information and installation downloads:
(Size: 510.6 KB)
Arke Kompact Modular Stair Kit - Heights
Staircase HeightNo. of TreadsNo. of RisesAdditional Tread
Kits Required
1910 mm - 2550 mm 10 11 -
2080 mm - 2790 mm 11 12 -
2250 mm - 3030 mm * 12 13 -
2420 mm - 3270 mm 13 14 1
2580 mm - 3490 mm 14 15 2
2750 mm - 3730 mm 15 16 3

 The standard Kompact Stair Kit is supplied with 12 Treads suitable for a floor height between 2250mm to 3030mm. If you have a lower floor height, then the Kompact Stair Kit can be adapted to suit this by just using less treads than the 12 supplied.

Arke Kompact Modular Stair Kit - Extras
ProductsPrice (£)
Kompact 74 (12 Treads) - 'L' Configuration £1782.00
Kompact 74 (12 Treads) - 'U' Configuration £1782.00
Kompact 89 (12 Treads) - 'L' Configuration £2160.00
Kompact 89 (12 Treads) - 'U' Configuration £2160.00
Kompact 74 - Extra Tread Kit ** £162.00
Kompact 89 - Extra Tread Kit ** £204.00
Optional Railing Kit - with 5 balusters ** £78.00
Upper Floor Balustrade Kit - 1200mm in length ** £162.00
Kompact 74 Riser Bar Kit - with 12 bars ** £138.00
Kompact 89 Riser Bar Kit - with 12 bars ** £138.00

Above Prices include VAT

If these products are purchased separately they will incur an additional carriage cost - please ring the Sales Office on 01243 785 246 or email: for details.

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

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.

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