Third party certification and manufacturer-backed guarantees not only provide you with confidence that we will deliver on our promise, but as quality manufacturers of wooden windows and doors they are pivotal to our continuous improvement.


Being certified to national and international standards, you can have total confidence in your choice of windows and doors.

ISO 9001: 2008

This accreditation recogonises our commitment to producing quality products using a quality management system, improving customer satisfaction and reducing wastage.

 BM-TRADA ISO 9001 mark

ISO 14001:2004

This accreditation recogonises our commitment to environmental management, minimising any activities that have a harmful effect on the environment.

BM-TRADA ISO 14001 mark


Our windows and doors are FSC® Chain of Custody certified, showing that all of our timber comes from sustainable sources.

FSC Logo Stamp


Thermal performance is designed into every product using British Fenestration Rating Council (BFRC) approved tests.


nbs Plus

All of our products feature full specifications conforming to the National Building Specification (nbs) standards


The Wood Window Alliance

Backed by unbeatable guarantees, our products meet the strict performance, quality and sustainability standards of the Wood Window Alliance.

WWA Logo

Wood for Good

We support Wood for Good, the UK campaign to promote wood as a suitable and sustainable building material.

Wood for Good



Recogonising our attention to detail, our material suppliers have reinforced our guarantees, giving you the confidence of industry leading product guarantees backed by multinational suppliers.

30 Year Wood Perservative Guarantee 10 Year Paint Guarantee 7 Year Stain Coating Guarantee


A 30 year manufacturer’s guarantee against preservative failure.

Paint Finish

As standard we provide a 10 year manufacturer’s guarantee against coating system failure.

Stain Finish

As standard we provide a 7 year manufacturer’s guarantee against stain coating system failure.

10 Year Glazing Unit Guarantee 10 Year Weather Seal Guarantee 10 Year Hardware Guarantee


All drained and vented units have a 10 year manufacturer backed guarantee for supply and fit in the first five years and supply only for the remainder.

Weather Seals

A 10 year manufacturer’s guarantee against failure of weather seals.


A 10 year manufacturer’s guarantee for all window and door hardware.

Please note, the above detail is based upon our standard guarantees and are subject to change depending on product features, climate and exposure.

In addition to our guarantees providing peace of mind, we have a programme of product testing. To find out more about our approach please visit the Product Testing page.

Product Testing