Thousands of people who are claiming Universal Credit could be set to get £405 a month more from next month.

If people are eligible they will spot a sudden increase of either £120, £285 or £405 from October.

The boost in income has been brought in to bridge the gap between old benefits and Universal Credit.

The payment drop affected those who switched to Universal Credit from Income Support, Jobseeker's Allowance (JSA), Employment and Support Allowance (ESA), Housing Benefit or Pension Credit, if they were also receiving a top-up allowance called Severe Disability Premium (SDP).

When moved from those 'legacy benefits' on to Universal Credit they were horrified to find the amount they received was far lower - reports Birmingham Live.

Campaigners fought to get back the lost money and the DWP agreed to give 'transitional payments' in an effort to make up the difference.

These came in the form of extra monthly amounts of £120, £285 or £405 awarded to people, depending whether they were claiming as a single person or a couple, and whether or not they were expected to be looking for work.

Justin Tomlinson, a Minister of State at the Department for Work and Pensions, has now issued a statement saying these transitional sums will now be added to a person's regular Universal Credit payout, starting from October 8.

He told MPs the DWP had already paid out over £50 million to around 15,000 people who lost out when switching to Universal Credit.

And the extra money is now to be built into the regular Universal Credit payout, rather than claimants hoping to get it paid manually in separate payouts by DWP staff.

Mr Tomlinson explained: "On July 22 2019, we laid legislation to provide additional financial support for former SDP recipients who had moved to Universal Credit on account of a change of circumstances.

"As at January 17 2020, we had already paid over 15,000 people, totalling more than £51.5 million.

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"The UC (Managed Migration Pilot and Miscellaneous Amendments) Regulations 2019 provide for the conversion of these transitional payments into transitional elements.

"This means that payments will be made through the UC system rather than manually, and all transitional protection will be subject to the same rules.

"I will be signing a Determination setting the conversion day to 8 October 2020. This is when the UC system will have capacity to convert SDP transitional payments to transitional element."

Although the DWP stopped anyone else on SDP from moving across to Universal Credit after January 2019, many had already been transferred to the new welfare scheme.

Leigh Day solicitors believe that up to 13,000 disabled people in the UK were affected by the change and lost £180 a month, on average, in benefit payments when moved on to Universal Credit.