Brownstone Value £750k New Build Absolute Audio Visual Installation Package Value - £250k Brownstone House refurb and extend £550k Brownstone Value - £120k Rear extension and refurb Absolute Auditorium Value - £250k Brownstone Extension and Refurb Value - £200k BP Walsh CAT A Fitout Decorations Package £56k Nu-Line Decorating Package £8k BP Walsh Office Fitout Decorations Package £75k Nu-Line Residential Decorations Package £13k