does anyone know how housing benefit deals with overestimated income?

[loulabump]

Hi girls

I started work again in my self employed job after my mat leave ended in september and hb wanted the estimated income and then proof after 6 weeks...i estimated 150 pw but have just sent my statements back and actual income was 120 pw

Has anyone been in this situation and could advise me how they deal with it? Will they just reassess or is there a possible back payment for the last 6 weeks? Backpay at this time of year would be so nice hehe

Ty to anyone who can answer xxx