Metering | Water services | Wholesale | Thames Water

Thames Water Property Searches services | Thames Water

Thames Water - The UK’s largest water and wastewater company

First time visit: View without clicking anything

Who we are | Wholesale services | Thames Water

Page not found | Thames Water

Contact us | Thames Water | Customer service contact

Apply for NAV setup | Wholesale services | Thames Water

Terms and conditions | Legal | Thames Water

Home improvements | Help and advice | Thames Water

Lists of related items should be written [semantically](https://html.com/semantic-markup/) as a 
list.

Usually this means rewriting these to use the `<ul>` or `<ol>` tags.

This allows assistive technologies to more easily navigate from item to
item, or past entire groups of links if the user wants to. 

## Examples 

### Navigation

This navigation:

```html
<a href="/about">About us</a>
<a href="/products">Products</a>
<a href="/contact">Contact us</a>
```

Should be rewritten as a list:

```html
<ul>
  <li><a href="/about">About us</a></li>
  <li><a href="/products">Products</a></li>
  <li><a href="/contact">Contact us</a></li>
</ul>
```

### Tables for content

This single-column table is redundant. There is no
value in placing the content in a table, which makes
it harder for screen reader users to interpret and interact
with.

```html
<table>
  <tr>
    <td>
      Banana
    </td>
  </tr>
  <tr>
    <td>
      Apple
    </td>
  </tr>
  <tr>
    <td>
      Pear
    </td>
  </tr>
</table>
```

Should be rewritten as a list:

```html
<ul>
  <li>Banana</li>
  <li>Apple</li>
  <li>Pear</li>
</ul>
```

## Justification

Users of assistive technologies, like screen readers, can skip an entire
list in one step. In some cases, they can even search inside a list. 

These aids are not available where links are written outside a list. 
Failing to use lists correctly can force users to have to step through
hundreds of items one at a time.

## Methodology

1. Any single-column tables are automatically considered 
   redundant lists. 
2. For non-table elements, recursively work down the page looking inside
   each element for links separated by minimal amounts of non-link text. 
   If the non-link text is below 30 characters 
   in length, we assume we're inside content that should be a list.
   Some exceptions are made, e.g. the presence of an `<hr>` would break
   out of the list.

## More information

See [Technique
H48](https://www.w3.org/TR/2016/NOTE-WCAG20-TECHS-20161007/H48) for
details.

mark-navigation-section-as-list

January 2026

December 2025

Thames Water

Title / URL	Issues
Metering \| Water services \| Wholesale \| Thames Waterwww.thameswater.co.uk/wholesale/metering	2
Thames Water Property Searches services \| Thames Waterwww.thameswater.co.uk/property-searches	2
Thames Water - The UK’s largest water and wastewater companywww.thameswater.co.uk/	2
First time visit: View without clicking anythingwww.thameswater.co.uk/	2
Who we are \| Wholesale services \| Thames Waterwww.thameswater.co.uk/wholesale/who-we-are	1
Page not found \| Thames Waterwww.thameswater.co.uk/invented-url-for-404-page	1
Contact us \| Thames Water \| Customer service contactwww.thameswater.co.uk/contact-us	1
Apply for NAV setup \| Wholesale services \| Thames Waterwww.thameswater.co.uk/wholesale/nav-setup	1
Terms and conditions \| Legal \| Thames Waterwww.thameswater.co.uk/legal/terms-and-conditions	1
Home improvements \| Help and advice \| Thames Waterwww.thameswater.co.uk/help/home-improvements	1

Write lists or groups of links semantically

Thames Water

Where this issue has occurred