What's the width of an external door opening on a new build with a cavity wall & UPVC door to allow regs for wheel chair access? Standard 215mm face bricks to be used.
2100mm high x 900mm wide brick opening wouldn't leave enough clearance by the time the UPVC frame is added.
2100mm high x 900mm wide brick opening wouldn't leave enough clearance by the time the UPVC frame is added.