Kids room, bedroom or bathroom (5 to 15 sq.m) realistically can cost you between £300 – £650 for 2 to 3 perspectives.
Kitchen or dining room (12 to 25 sq.m) can cost between £700 – £1,200 per project for 3 to 4 perspectives.
A larger living room or garden (25 to 60 sq.m) can cost between £900 – £1700 per project for 4 to 5 perspectives.
These costs can vary if the interior design visualization project has complicated features like classical details, forms and textures.