Hi Markan, front or back brake noise? Imo jack the rear wheels up first & check its not the handbrake shoes binding by spinning a rear wheel & feeling if the wheel is grabbing when you hear the noise.
Sometimes a rear shoe pops out of its clip & the symptoms may sound like it. In the front calipers, a piston can get stuck or the caliper sliders may need greasing with brake grease. Either option, front brakes on-off imo with these symptoms.
Good luck with the noise & let us know how things went mate.
Ps, naughty mechanic
cheers, Maka