The fire, which started just before 1:00am on Wednesday, surprised many as they slept and the speed with which it spread shocked fire experts.
Britain's Queen Elizabeth visited residents, volunteers and emergency services at a center helping those affected by London's tower block fire on Friday, with grandson Prince William promising to return to hear residents' concerns.
London firefighters combed through the burned-out public housing tower Thursday in a grim search for missing people as police and the prime minister launched investigations into the deadly inferno, with pressure building on officials to explain the disaster and assure that similar buildings around the country are safe.
"Something's gone wrong here, something's gone drastically wrong", Communities and Local Government Minister Sajid Javid told BBC radio.
Grenfell Tower residents had complained for years to the management organization - and to the borough council - that they feared that their building was unsafe.
Mr Cundy added that 12 victims had been taken to the mortuary, while the bodies of others remained in the tower.
It stood in stark contrast to the hero's welcome given to Labour leader Jeremy Corbyn who was pictured cuddling distraught family members.
May has faced criticism for not meeting with survivors during her first visit to the site after the blaze, the wire service reports.More news: 7 reported missing after US Navy ship collision off Japan
More news: Trump announces new restrictions on Cuba travel, business
More news: 'Trump is considering firing Mueller as special counsel'
She met with injured survivors in hospital on Friday.
Locals yelled questions at mayor Sadiq Khan when he walked through the neighbourhood on Friday.
Barwell had told lawmakers that the government meant to review fire safety standards following a deadly blaze at the Lakanal House high-rise building in south London in 2009, in which three women and three children died. "What are you going to do about it?" a boy asked Khan, as the mayor tried to stop tensions from rising further.
The fire forced residents to flee through black smoke down the single stairwell, jump out of windows or even drop their children to safety.
"Mohammed undertook a risky journey to flee war and death in Syria, only to meet it here in the United Kingdom, in his own home", the Syrian Solidarity Campaign said in a statement. I feel very angry that so many lives have been lost when the system didn't work.
Police said on Friday that 30 people were confirmed to have died.
Originally constructed in 1974, the residential tower block recently underwent a $13.2 million (£10.3 million) refurbishment.
Britain's Guardian newspaper is reporting that cladding used on the high-rise structure that burned this week in west London was made of the cheaper, more flammable material of two types offered by the manufacturer.
The Times reported that the type of cladding used on the building was banned in U.S. buildings taller than 40 feet (12.2 metres) because of fire safety fears.
A statement released on Kensington Aldridge Academy's website this morning said that the tragic events at Grenfell Tower had impacted the whole community: "Our thoughts are with all of those who have suffered loss or have been affected in any way at all".