This page explains how much childcare support can be claimed through the childcare element of universal credit and what costs can be included in each assessment period.

Help with the costs of childcare in universal credit is done by including the childcare element. Universal credit is available across the UK and HMRC state that it is no longer possible to make a brand new claim for tax credits. If you currently get tax credits, you may be able to get the childcare ...

Childcare support in universal credit is paid through the childcare element. To qualify for this you need to meet the basic and financial conditions of universal credit and also meet the conditions for the childcare element of universal credit.

This page explains how the childcare element of working tax credit interacts with other childcare schemes.

Not all childcare will qualify for support through the childcare element of working tax credit. They must be relevant childcare charges to qualify. 

The childcare element is part of working tax credit. This means you will need to qualify for working tax credits to get this support towards your childcare costs.