Accessibility

• Each page has one main heading and its sections follow in order beneath it.
• A link at the top of every page skips straight to the content.
• Every link can be reached with the Tab key, and shows a ring around it when it is reached.
• Some longer quotations sit in sections that stay closed until you tap or click their title. With a keyboard, press Tab to reach the title, then Enter or Space to open or close it. The links inside a closed section are skipped by the Tab key until you open it.
• Nothing depends on colour alone. Most of the diagrams are words in boxes, which a screen reader reads in order. Two are drawings: a floor seen from the side on the page about opening up, and two flats with a shared pipe on the page about flats. Each drawing carries a title and a description in words for a screen reader, and a numbered or lettered list beside it says what each part is.
• Nothing on the pages moves by itself. A link lifts a little when you point at it or reach it with the Tab key, and stays still if your device is set to reduce motion.
• The site has no forms, no pop-ups and no time limits.

All eleven pages were checked on 6 October 2026 in Google Chrome, each at three screen sizes: a phone 390 pixels wide, and screens 1440 and 1920 pixels wide.

• No page scrolled sideways at any of the three sizes, with the closed sections shut or with all of them open.
• The contrast of text against its background was measured on every page, including the text inside the closed sections, and all of it met the level AA figures. The lettering in the two drawings was checked from its colour values and also met them.
• Every page was walked from top to bottom with the Tab key alone, at all three sizes. Each link was reached, and each showed its ring.
• Each closed section was reached with the Tab key and opened with Enter or with Space, at all three sizes. Its title showed the ring.
• The words in the two drawings were measured on the phone size, and none was smaller than 14 pixels.

These checks were run by a script that drives the browser and presses the keys.

• The site has not yet been tested with screen reader software, or by people who use assistive technology every day.
• It has been tested in one browser so far, on a desktop computer set to the three screen sizes. It has not been tested on a physical phone or tablet.
• The keyboard check has not yet been repeated by hand, and the pages have not been tested with the text enlarged or the page zoomed in.
• Some links open documents on other websites, including Ombudsman decisions published as PDF files. Those are outside ADI's control and may not meet the same standard.

• Call the office during its hours: Monday to Friday, 7:30am to 6:30pm.
• Or write to ADI Leak Detection at Suite 407, Access Business Center, Handy Cross Roundabout, High Wycombe HP11 1UP.
• State which page was affected and what you were trying to do.

This site gives no email address and has no form to fill in.