Home Renovations Join our happy clients and have your home renovated. Since 1974 Postma Construction Ltd. has been successfully completing home renovations in the Ancaster, Hamilton, Dundas and Burlington area. Let's Renovate Your Home Additions Kitchens Bathrooms Basement Contact Us About Renovating Your Home Space Your name Please enter your name. Your email Please enter a valid email. Your message Please enter a message. Send Message failed. Please try again. Thanks for contacting us about your home renovation! We’ll be in touch soon.