RETAIL rents across the North West fell by an average of 4.5% in 2011, although major centres such as Manchester and Liverpool held their value.Figures from Colliers International's Midsummer Retail Report found that although major centres such as Manchester and Liverpool held their value, some of the peripheral areas saw rents decline quite rapidly.In-town Zone A rents in Liverpool remained the highest in the region, thanks to Grosvenor's Liverpool One scheme - at £265 per sq ft. Rents in Manchester's retail core also rema......for the full story register now for free or login below...