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Stairplan Ltd - Tradestairs.com Hortonwood 1, Telford, Shropshire, TF1 7GN, United Kingdom.

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Flat-Pack Straight Stairs

Trade-Range Staircase

Trade-Range Staircase

The Trade Range Staircase Specification

* Robust 32mm EdgeLam Engineered Pine Stair Strings with a Heavy 250mm String Depth
* 12mm MDF Riser Sections


Delivery prices vary with location

Assembly Instruction Video

Flatpack 12-Riser Straight Trade Range Staircase

Flatpack 12-Riser Straight Trade Range Staircase

Ref: TS11N-FLATPACK

The 12-Riser Flatpack Straight Staircase is a pre-cut, easy-to-assemble timber staircase kit designed for loft conversions, home renovations, and extensions. With a 42º pitch, this staircase is a perfect fit for standard UK building regulations, ensuring a comfortable and compliant step experience.


Key Specifications:

Total Risers: 12 (For Floor-to-Floor Heights: 2300mm - 2640mm)
Pitch: Standard 42º (May vary slightly for lower rise heights)
String Material: 32mm EdgeLam Engineered Pine – Durable & strong
Treads: 22mm MDF – Smooth finish for easy treatment
Risers: 12mm MDF – Secure, impact-resistant panels
Typical String Depth: 240mm

Note: Staircases with individual riser heights under 198mm will have an individual going size of 220mm, making the pitch slightly less than 42º.

Width : Select Overall Width Including Side Strings

Price: £355.00 (Excluding VAT at 20%)

Help on Rise and going

Related products:

  1. Flatpack 13 Riser Straight Trade Range Straight Staircase
    £426.00 (Ref: TS12N-FLATPACK)

12 Riser Straight Staircase Plan and Side View

12 Riser Straight Staircase Plan and Side View

Understanding Your Staircase Dimensions – Plan & Side View Guide

Our detailed plan view and side view staircase drawings provide the essential measurements needed for accurate installation. Each drawing includes:

Total Width – The overall width of the staircase, including strings

Total Rise – The finished floor-to-floor height, ensuring proper fit

Total Going – The horizontal distance from the back of the top riser (where the staircase meets the trimmer joist) to the front nosing of the bottom step

Important Installation Note:

The stair stringers extend beyond the total going measurement, but they can be trimmed on-site during installation for a perfect fit.

Flatpack 13 Riser Straight Trade Range Straight Staircase

Flatpack 13 Riser Straight Trade Range Straight Staircase

Ref: TS12N-FLATPACK

This is for a 13 Riser Straight Staircase, the staircase will be made to 42º please select from the options provided.

Specification
Strings - 32mm EdgeLam Engineered Pine
Treads - 22mm MDF
Risers - 12mm MDF
Typical String Depth 240mm

Staircases with individual riser heights less than 198mm will have a individual going size of 220mm so the pitch will be slightly less than 42º

The Rise is the Floor to floor Height.

Typical lead time on these is 2 to 3 Weeks from approval of production drawings, subject to your location and logistics.

A Confirmation Drawing is sent before the staircase goes into production for approval.

Price: £355.00 (Excluding VAT at 20%)

Help on Rise and Going

Flatpack 14 Riser Straight Trade Range Straight Staircase

Flatpack 14 Riser Straight Trade Range Straight Staircase

Ref: TS13N-FLATPACK

This is for a 14 Riser Straight Staircase, the staircase will be made to 42º please select from the options provided.

Specification
Strings - 32mm EdgeLam Engineered Pine
Treads - 22mm MDF
Risers - 12mm MDF
Typical String Depth 240mm

Staircases with individual riser heights less than 198mm will have a individual going size of 220mm so the pitch will be slightly less than 42º

The Rise is the Floor to floor Height.

Typical lead time on these is 2 to 3 Weeks from approval of production drawings, subject to your location and logistics.

A Confirmation Drawing is sent before the staircase goes into production for approval.

Price: £380.00 (Excluding VAT at 20%)

Help on Rise and Going

Download Measuring guide

Download our Straight Staircase Measuring Guide complete to form and email it to sales@tradestairs.com for a quotation

Straight Staircase Measuring Sheet

Flatpack Staircases

Access a problem ?

The staircase needs to be built between walls ?

Lower Delivery costs ?


Order your new straight staircase as a flatpack kit.

A confirmation drawing will be sent showing the staircase to the dimensions you have selected for approval before the construction commences.

New Interlocking Glue Blocks for increased Life and anti-Creak
Staircase in Assembled form

Staircase in Assembled form

Looking for 15 Risers ?

Clearance

Clearance

Any staircases we have for clearance will be listed here,