Grosjean did not pit under the second safety automobile, which improved him up to fifth and although he faded once his method shook he held a high place for a long time.
His defence versus Sainz into Stowe earned him a black-and-white caution flag, and he likewise appeared to move late when fighting Ricciardo into Brooklands.
The AlphaTauri driver lost control of the rear of his car as he ran through the preceding Maggots ultra-high-speed left, as a result of a possible right-rear leak, and he then slammed into the outdoors wall, causing enormous damage to his chassis, with particles likewise scattered over the track.
Verstappen got the fastest lap accolade on lap 41, but by this point he was over 10s behind Hamilton, in spite of the tyres on both Mercedes vehicles looking less than suitable.
The Mercedes motorists had looked completely at ease for the bulk of the race at Silverstone, which was interfered with twice early on after different heavy crashes for Kevin Magnussen and Daniil Kvyat, however their fortunes were reversed sensationally with simply over 2 laps to go.
The Haas was pitched into a high-speed spin and he hit the barriers at the exit of the final corner, ripping the left-front from his vehicle, and recovering into the gravel, with the security automobile called into action so it might be recovered.
He pulled cleared of DRS variety to Bottas over the next few laps, however just as Bottas seemed stabilising the space the race was neutralised again when Daniil Kvyat crashed hard into the barriers at Becketts.
The race rebooted on lap 6 of 52, with Hamilton immediately jumping clear once again out front.
Mercedes cautioned Hamilton not to run the risk of attempting to get the fastest lap on the final tour, but as he faced Luffield for the final time his own left-front handed out and he was forced to limp home and take the flag with the tyre hardly still attached to his vehicle.
Pierre Gasly battled by Sebastian Vettel and Lance Stroll to take what became seventh for AlphaTauri, while Albon, who was given a five-second penalty for the event with Magnussen, recuperated to eighth after finishing a two-stopper.
Both Hamilton and colleague Valtteri Bottas had appeared to choose up blisters in spite of their commanding lead over Max Verstappen, and Bottass left-front tyre failed at the start of lap 50 of 52, which indicated he had to visit gradually to the pits and went from second to scoring no points.
Charles Leclerc ended up third after a lonesome race well adrift of Verstappen in his Ferrari, with Daniel Ricciardo taking 4th after McLarens Carlos Sainz suffered the very same front-left tire drama as the Mercedes vehicles on the penultimate lap.
Kimi Raikkonen brought up the rear of the field for Alfa Romeo after his suffered front wing damage soon before the Mercedes tyre drama took place in the final laps.
The space in between Hamilton and Bottas varied by remained over a 2nd for much of the next 20 laps after the restart, but as the race approached its last 10 laps Hamilton set a string of fastest laps to move over 2 seconds clear.
Lando Norris had actually run ahead of Ricciardo for much of the race however lost late-on, and he came home fifth ahead of Esteban Ocon.
Verstappen continued faded but did manage to get into the 1m29s, still a chunk after the leaders had actually done so.
The pack jostled for position behind the Mercedes throughout the first lap, with Daniel Ricciardo putting a vibrant carry on Lando Norris at Copse to take 6th the standout pass, but the race was suspended a couple of minutes later on.
Kevin Magnussen had moved up from his P14 grid area however he clipped the kerb at the first peak of Club difficult and lost momentum, which meant Alex Albon transferred to his within and they clashed at the 2nd peak.
Bottas was just over seven seconds adrift with 5 laps to go, with the last tours dominated by the astonishing developments for the leaders.
Stroll was ninth for Racing Point, with Vettel just getting home in 10th ahead of the charging Bottas at the last corner.
Verstappen had pitted after Bottass leak and that meant he had a 30s space to near to Hamilton over the second half of the last trip and although he closed in quickly, Hamilton held to extend his record of British GP wins to 7.
As soon as Kvyats wreckage had been cleared, the race resumed on lap 19, Hamilton once again instantly led Bottas and Verstappen clear of the midfield.
Sainz ended up 13th after his late tyre issue, with Romain Grosjean 16th for Haas after a starting and controversial drive for Haas.
At the start, Bottas had appeared to make a much better trip from P2 and drew along with Hamilton approaching the very first corner, but the world champ swept ahead into the right-hander and moved clear in the lead.
The leaders then swiftly dropped the Red Bull and approached exchanging the fastest lap over the next stage of the race, with the Mercedes motorists the only racers able to lap in the 1m30s bracket.
However Hamilton continued to extend his lead over Bottas beyond 3 seconds, and the space progressively grew as the Mercedes drivers got in the early phases of their tire dramas.
