Red Bull's Dutch 20-year-old Max Verstappen took the chequered flag in second place with Kimi Raikkonen completing the podium for Ferrari and Australian Daniel Ricciardo finishing fourth for Red Bull.
Lewis Hamilton's lap of one minute 25.892 seconds is a track record at the Silverstone circuit.
Seven times world champion Lewis Hamilton hunted down Max Verstappen to win the Sao Paulo Grand Prix for Mercedes on Sunday and slash his Red Bull rival's Formula One lead to 14 points in one of the greatest drives of his career.
Valtteri Bottas won the Azerbaijan Grand Prix on Sunday and retook the Formula One lead from team mate Lewis Hamilton after a fourth successive one-two finish for Mercedes.
The six times world champion took the chequered flag at Imola 5.783 seconds ahead of team mate Valtteri Bottas, who started on pole position.
Seven-times world champion Lewis Hamilton became the first Formula One driver to take 100 pole positions after lapping fastest for Mercedes in Spanish Grand Prix qualifying on Saturday.
Seven-time world champion Lewis Hamilton overtook main rival Max Verstappen and Mercedes team mate Valtteri Bottas to win the Portuguese Grand Prix on Sunday and go eight points clear in the Formula One standings.
After pipping Ferrari's Sebastian Vettel with a lap of one minute 23.599 seconds in the first practice, the Briton shaved almost a second in FP2, his quickest lap clocked at 1:22.60.
IMAGES from the Silverstone F1 GP on Sunday
The pole was the 91st of Lewis Hamilton's career and seventh at Silverstone.
Daniel Ricciardo kept calm and carried on to win a tense Monaco Grand Prix for Red Bull on Sunday after power unit problems threatened to wreck his hopes of victory in Formula One's showcase race.
Formula One got back on track in changed circumstances on Friday but with Mercedes bringing a familiar look to the timing sheets as six times World champion Lewis Hamilton led team mate Valtteri Bottas one-two in Austrian Grand Prix free practice. The Briton did 41 laps and lapped with a best time of one minute 04.816 seconds in a damp and overcast session, 0.356 faster than the Finn.
Lewis Hamilton won in Sunday's Azerbaijan Grand Prix ahead of Kimi Raikkonen and took championship lead.
The shocked 21-year-old rookie was unhurt in the incident between turns two and three but Williams said the chassis would have to be replaced, sidelining the Briton until Saturday's final session before qualifying. Former world champions Williams are already facing plenty of problems with an uncompetitive car that is some way off their rivals' pace.
'I could never have dreamed of being where I am today.'
The win also set a record, one that Hamilton had previously shared with seven times champion Michael Schumacher, of 41 wins from pole position.
Formula One world champion Lewis Hamilton took pole position for the French Grand Prix on Saturday with Mercedes team mate Valtteri Bottas alongside him on the front row.
Hamilton said he only realised the significance of what he had done when he came into the pitlane after taking the chequered flag.
The Dutchman stopped Hamilton from winning an eighth title with a gutsy turn in the final lap.
Images from the Tuscan F1 Grand Prix held at at Mugello, Scarperia e San Piero in Tuscany, Italy, on Sunday.
Nico Hulkenberg will continue as a stand-in for Racing Point at Formula One's 70th Anniversary Grand Prix, on Sunday, after Mexican Sergio Perez again tested positive for COVID-19, the team said on Friday.
Formula One rookie George Russell's earliest motorsport memory is of pedalling a toy tractor around Britain's go-kart paddocks.
Mercedes set for proper fight with Ferrari in Melbourne
Lewis Hamilton's record already bears comparison to Michael Schumacher's, and in some areas exceeds the great German's achievements.
The France-Austria-Britain sequence of races poses a fresh logistical challenge for teams hitherto committed only to back-to-back weekends, with the 21-round season hurrying to the halfway point.
Hamilton already had more race wins, pole positions and podium finishes than any other driver in the history of the sport.
Ferrari presented the SF90 with plenty of fanfare at their Maranello factory.
The Briton lapped the Albert Park circuit in a searing one minute and 21.164 seconds to cross the line 0.664 seconds clear of Ferrari's Kimi Raikkonen.
The Formula One season starts in Australia on March 17 with new regulations, changed lineups, a trio of young rookies fresh from Formula Two and the comeback of Poland's Robert Kubica.
Michael Schumacher's son Mick has followed in his father's footsteps by signing a contract with Ferrari to join the Formula One team's young driver academy. The 19-year-old German, whose father won five of his record seven championships with the Italian team, will be competing in Formula Two this year after winning the European F3 title in 2018.
Valtteri Bottas won the battle but Lewis Hamilton won the war, securing his sixth Formula One world championship on Sunday, despite finishing second to his Mercedes team mate at the US Grand Prix.
Five-times Formula One world champion Lewis Hamilton led a Mercedes front-row lockout with a blistering pole position at the season-ending Abu Dhabi Grand Prix on Saturday.
Lewis Hamilton took a big step towards clinching his fifth Formula One title after putting his Mercedes on pole position at the U.S. Grand Prix on Saturday with Ferrari rival Sebastian Vettel starting fifth.
'I'm so grateful for everyone who helped me be here, to raise the bar and lift the cup'
Finland's Valtteri Bottas took pole position for the Russian Grand Prix on Saturday with Mercedes team mate and Formula One leader Lewis Hamilton having to settle for second place on the starting grid.
Hamilton held off a mid-race challenge from Red Bull's Max Verstappen to register a record-equalling fourth triumph at the floodlit Marina Bay Street Circuit track, while Vettel finished third to slip further behind in the title race.
The Renault Formula One team will be renamed Alpine F1 from 2021, competing in French colours to showcase the carmaker's sportscar brand, new company CEO Luca de Meo announced on Sunday.
Red Bull's Max Verstappen celebrated his first Formula One pole position at the Hungarian Grand Prix on Saturday.
The Briton's latest victory, in a Tuscan Grand Prix that was twice red-flagged and re-started, left him one shy of the Ferrari great -- a record once held up as a milestone to withstand the test of time.
Vettel, who won from pole position last year in Canada to revive Ferrari's title hopes, will be hoping for the same on Sunday with world championship leader Hamilton, chasing a record equalling seventh win in Montreal, starting alongside him.