The brag of the UK's largest constabulary unit has warned it faces "eye-watering cuts" to services unless ministers summation its funding.
Met commissioner Sir Mark Rowley told the BBC helium was "deeply troubled" by talks truthful acold connected its yearly colony for adjacent year.
He added that the unit was successful a "precarious position" due to the fact that antecedently utilized options to "prop up" its fund had tally out.
The authorities has said it plans to summation the wide policing fund adjacent twelvemonth - though allocations by unit are inactive to beryllium negotiated.
The Met's fund for this twelvemonth is conscionable implicit £3.5bn, a 3.5% summation from 2023/24, comprising £2.6bn from cardinal authorities and £956m from section taxes.
Sir Mark said conversations implicit its backing allocation from adjacent April - which would usually beryllium expected to beryllium announced successful December oregon January - were inactive "ongoing" with the authorities and City Hall.
But, speaking to BBC Radio 4's Political Thinking with Nick Robinson, helium said helium was "deeply troubled by the concern we look to beryllium heading towards".
Policing a planetary superior specified arsenic London came with an "extra acceptable of challenges", helium said, adding that per idiosyncratic was little than successful different cities specified arsenic New York and Sydney.
He said that the "cumulative effect of decisions implicit the past decennary oregon so" had enactment the unit successful a "more and much precarious position", and immoderate of its buildings would beryllium "unusable" successful a fewer years without further investment.
“Some of the things that successive [police] commissioners and mayors person utilized to equilibrium the books - similar selling constabulary stations and utilizing reserves - each of those things person tally out," helium added.
“The chancellor has been precise wide - it's a hard nationalist assemblage context."
'Tough choices'
"You adhd each those things together, and you get a melodramatic alteration successful budgets of a standard that's ne'er going to beryllium absorbed by efficiencies, and is going to necessitate immoderate beauteous eye-watering cuts to benignant of to the services we supply to London."
He added that helium was not going to get into item astatine this signifier connected the "tough choices" the unit would look without an summation successful resources.
But helium said helium planned to circumstantial "10 oregon 20 things we're going to bash differently" earlier Christmas.
He added that the implications for policing successful the superior would "become much public" successful the coming weeks.
The fund for the Home Office is acceptable to shrink by 3.3% adjacent twelvemonth successful existent terms, with the bulk of this coming from assumed savings connected asylum support.
At past month's Budget, the authorities said it planned to "increase the halfway authorities assistance for constabulary forces," though it did not specify whether this would beryllium successful currency presumption oregon taking relationship of inflation.
Before the election, Labour besides said it besides planned to prevention £360m done more businesslike purchasing of constabulary equipment, which it promised to walk connected other assemblage enactment officers.