VELUX GGU MK04 008230 Solar White PU Passive House Roof Window (78 x 98 cm)

  • £869.00 (inc VAT) £724.17 (ex VAT)

UK Delivery is Free of Charge.

The VELUX MK04 008230 is a Passive House-certified range of roof windows that offer triple outer-glazing plus an additional inner double-glazing. Where Passive House-certified building components are required, the GGU 008230 has been designed specifically for the job.

Size: 78cm x 98cm. 

Glazing: 008230 - Quintuple glazed specifically for Passive House constructions.

Flashing Kits, Installation Products and Blinds can be added below: 


The VELUX 008230 is a Passive House-certified range of roof windows offers triple outer-glazing plus an additional inner double-glazing. 

This is the first and only roof window on the market certified for Passive House building constructions in cold climate regions. Consisting of a U-value of 0.51 W/m²K, which is the lowest in the UK, it meets British Standard EN ISO 12567-2.

The advanced triple outer-glazing plus an additional inner double-glazing, provides extreme heat insulation. You will therefore experience a warmer home and lower energy bills. The glazing on GGU 008230 is specially designed for Passive House constructions.

VELUX White polyurethane INTEGRA® SOLAR Windows operate using solar power and feature an integrated solar cell on the top face of the window, which automatically charges the window with no need for wiring.

GGU white finish roof windows will give a sleek contemporary look to all living spaces, providing superb comfort levels along with complete ventilation control. 

A centre-pivot roof window is easy to operate. They feature a clever top control bar that allows you to install the window lower than an equivalent top-hung operated roof window and get an excellent view while standing and when seated. 

Browse the downloads and data sheets below and if you cant find the information you are looking for, please phone our team of experts for help. They have over 25 years of experience in dealing with VELUX products. 

Key features:

  • 78cm wide x 98cm high.
  • 0082 passive house glazing. Consisting of a triple outer-glazing plus an additional inner double glazing. 
  • Lowest uValue currently on the market.
  • The inner double-glazing opens for easy cleaning.
  • Top, pull down control bar.
  • For easy cleaning and maintenance the GGU window turns 180° in its frame.
  • GGU windows offer smooth rounded corners for a clean modern look.
  • Waterproof finish.

Downloads and Data Sheets:

  VELUX GGU 008230 Passive House CERTIFICATE

  VELUX GGU INTEGRA® SOLAR Installation Guide

  How to achieve a successful installation

  10 Year Guarantee Document on VELUX Roof Windows 

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