Octa Group is a multi trade construction business. From carpentry and roofing, to kitchens and bathrooms. We have extensive experience in Velux ® installations, replacements and repairs. We also offer FREE expert advice on all Velux ® Products. We are Certified Velux Installers, we also have a Trustmark Certification, and many more. We are fully insured up to £5 Million. We accept BACS, Card (up to £500), cash and Paypal as payment.