Media playback is unsupported on your device Media caption David Cameron: "Whatever money is needed, we will spend it."

The prime minister says money will be no object as flood relief efforts continue across swathes of the UK.

David Cameron warned the severe weather was not over, saying: "Things could get worse before they get better."

Fourteen severe flood warnings remain in place in Berkshire and Surrey and two remain in Somerset.

Around 1,000 properties have been evacuated, thousands more are at risk and there are warnings of snow, high winds and more rain later and tomorrow.

The Met Office has issued an amber "be prepared" warning of wind on Wednesday as well as yellow "be aware" snow, wind and rain warnings.

It said the "potentially damaging winds" could be strong enough to bring down trees, causing transport and power network problems.

Speaking at a Downing Street press conference after returning from the flood-stricken South West, Mr Cameron said: "Money is no object in this relief effort. Whatever money is needed, we will spend it."

Image copyright PA Image caption Emergency services have been working to rescue stranded residents in Wraysbury, Berkshire

The prime minister cancelled his visit to the Middle East next week to focus on the government's response to the floods, and added: "Nothing is more important than dealing with these floods."

He said recovering from the floods could take time, telling reporters: "It will be a long haul and it will require a stepped up national effort, with the whole country pulling together.

"Amidst all of this, as is so often the case, in the toughest of times we are seeing the best of Britain."

Analysis So it's official. "Money is no object," says the prime minister. "We are a wealthy country," he added. Those words have shored up his short-term defences against accusations the government hasn't got a grip of the crisis. His press conference performance appeared resolute and suitably prime ministerial - evoking the blitz spirit. But in the longer term - say, in the run-up to the general election - bold phrases can sometimes backfire The prime minister's promise of limitless cash applies to the immediate flood relief and the clean-up - getting the country back on its feet, as he put it. But the words could be deliberately misinterpreted by opponents. So if major works aren't carried out - to, say, Dutch standards - to secure the properties of the relatively small population of the Somerset Levels, he could be accused of going back on his word. So if local government or communities find future spending on flood defences isn't quite up to the standards they believe necessary, expect them to reach for David Cameron's quotes today - and flood him with criticism.

Mr Cameron announced:

Thousands more military personnel available to help in flood-hit areas - with 1,600 troops (later corrected to 600 by Downing Street) deployed by the end of Tuesday and thousands more available

Government to get insurance companies into affected areas so "people can make their claims quickly"

The Association of British Insurers and the Confederation of British Industry to meet at Downing Street later to develop support plans for businesses

Grants to help homeowners build better flood defences and repair properties

Businesses affected by floods to get "longer to pay their taxes"

Up to £10m to help farmers recover

A new cabinet committee to deal with the recovery, with Mr Cameron to chair its first meeting on Thursday

He vowed lessons would be learned, adding: "We will deal with the floods and we will build a more resilient country for the future."

The prime minister, who later chaired another Cobra emergency committee meeting, praised Environment Agency staff, saying they "have done an extraordinarily good job".

He spent two days visiting flood-hit communities across south-west England including Dawlish, Devon, where a stretch of railway was washed away in the floods, and in the South East, in Staines-upon-Thames in Surrey.

Image copyright PA It's clear that flood defence needs to be more of a priority for government Ed Miliband, Labour leader Politicians visit flood-hit areas

BBC chief political correspondent Norman Smith said the most striking aspect of what Mr Cameron had to say was his suggestion the government would spend whatever was needed to help get those affected get back on their feet.

It was an attempt by Mr Cameron to project himself as the national leader in charge of a national crisis, our correspondent said, adding that the prime minister had not sought to diminish the scale of the challenge ahead.

'Unprecedented'

The Met Office says it has been the wettest winter on record for south-east and central southern England since its records began in 1910.

About 1,000 homes have been evacuated along the Thames after towns and villages including Chertsey, Wraysbury and Datchet, were flooded, with thousands more properties still at risk.

Image copyright PA Image caption The prime minister has been visiting flood-hit areas including Staines-upon-Thames

Image copyright Getty Images Image caption Police officers rescued a dog from a flooded property in Egham, Surrey

Image copyright PA Image caption A volunteer helps ferry residents of Purley on Thames, Berkshire

Chief Supt Matt Twist, of Surrey Police, said a "major incident" had been declared in the county and the flooding was "unprecedented". A total of 2,500 homes in the county were at risk of flooding, he added.

Further evacuations have been taking place in the Staines and Egham area. More than 5,000 properties have been flooded altogether in the last two months.

The Environment Agency said it was also concerned about the River Severn and River Wye, with high levels of water in Shrewsbury and Worcester. More than 100 homes have so far been flooded in Worcester.

In developments around the affected areas:

Flood levels have affected Ironbridge in Shropshire as the River Severn continues to rise, and the local council said residents should treat it as a "serious situation"

538 people have been rescued from floods in Surrey since Sunday, Surrey Police said - more than half of those were rescued on Tuesday alone

In the Tewkesbury area, in Gloucestershire, water levels are expected to rise by a further 30cm (12in) and levels will stay elevated in parts of the county for "some time", the Environment Agency said

According to the agency, groundwater levels are so high in some parts of the country that flooding is likely to persist for weeks or even months

Sandbags were placed in the River Itchen by the Environment Agency to restrict its flow after flooding caused closures on the M3

Snowfall has affected travel in some parts of Wales, with heavy rain and coastal gales forecast

Coastal communities in Wales face being abandoned as rising sea levels mean the cost of maintaining defences can no longer be justified.

'Be prepared'

As well as there being 16 severe flood warnings the Environment Agency has also issued about 350 less serious flood warnings and alerts, mostly in southern England and the Midlands.

Media playback is unsupported on your device Media caption The news helicopter took a trip along the Thames to look at areas affected by flooding

There are Met Office severe weather warnings for almost the whole of the UK for Wednesday, with strong winds, snow and rain expected. Amber wind warnings, meaning "be prepared", will be in place from 10:00 GMT for parts of Wales, northern England, south-west England and the West Midlands.

A yellow warning for snow covers northern and western parts of the UK - but not the South West - for the rest of Tuesday and Wednesday.

BBC weather forecaster Louise Lear said there was the potential for storm-force gusts of wind during the afternoon, reaching speeds of 70-80mph - and maybe higher - on exposed coasts.

Flooding near Maidenhead has caused cancellations and severe delays on journeys between London Paddington and Reading.

First Great Western is advising passengers in the affected areas only to travel if it is absolutely necessary.

Spokesman Dan Panes said the problems had been caused by water getting into Network Rail's signalling and safety equipment.

Media playback is unsupported on your device Media caption BBC Weather's Chris Fawkes explains what has caused the bad weather

He said: "Network Rail are having to signal us into the area by hand at every single stop... it means that rather than 25 trains an hour into and out of Paddington, we are only able to run four at the moment."

Services are also suspended on South West Trains between Staines and Windsor and Eton Riverside, and the main train line from London to Cornwall remains severed at Dawlish.

At the scene in Surrey Rescues in Chertsey are continuing into the night as people who have taken the tough decision to leave home now sit and wait. A privately-owned rescue team attached to Surrey Fire and Rescue are picking them up a few at a time, using a combination of boat, Land Rover and piggy back. One couple were picked up from their home some 400 yards down Laleham Reach, which has been flooded the whole way. While their house is not flooded, they feel isolated and vulnerable and were relieved to be out. At Penton Park retirement village nearby, with 380 dwellings, most are staying put for now - despite the water lapping around their mobile homes. But they face an anxious wait - if the electricity goes, they will suddenly need to get out. Meanwhile, at Thames Meadow in Shepperton, volunteers were tasked with securing a drifting boat threatening to damage houses. Elsewhere, gas cannisters were floating about in the water - creating a potential hazard. Surrey under water

'No finger pointing'

Labour leader Ed Miliband, speaking on a visit to Wraysbury, said flood defences should be made a higher priority by the government.

He said he admitted doing so would be expensive, and added: "If there's one thing we know about the effects of extreme weather, it's that the costs - financial, human and other costs - of not acting are much greater than the costs of acting.

"It's a totally false economy to say 'don't act'. The government's got to realise this and it's got to take the problem seriously."

Mr Miliband urged ministers to stop "finger pointing" and instead focus on "rolling their sleeves up and getting on with getting people the help".

Image copyright Getty Images Image caption Some Wraysbury residents used canoes to make their way through the village