and thwill that be more difficu for barratt going forward? >> they do a lot of work around people who don't have that much money to spend. outside of london, we need to remember london accounts for less than 12% of the overall uk sales. we need to look outside there. a lot is being done with first time home buyers. so, yes, they could be more punished there. mortgage applications in general have been coming down for a while. the results that came through in december about mortgage applications still show a decline, but that pace is slowing. looks like there's a bit more encouragement back in the market if interest rates are to rise, and that's quickly fed through to banks and mortgage rates which we expect to happen because banks have been good about rises, so it could weigh on that. >> how much pressure is there on margins? operating margin up to 17.8%, that's above guidance. if you have an environment where property prices may be challenged around brexit, you don't have free movement of people impacting the skill set, do you think operating