Section 18 in Punjab Urban Planning and Development Authority Building Rules, 2013
18. Projection.
(1)Where there is an uncovered balcony or chhajja or cantilever from wall it shall not project more than 1.22 meters(Four feet) beyond the building line when measured at right angle to the outer face of the wall for plots above 250 square meters and it shall be within the boundaries of the site. In the case of row houses or buildings adjoining each other where the area of the plot is upto 225 square meters the projection shall not be more than one-third of the corresponding depth of front or rear setback or 0.91 meters (three feet), whichever is less.Provided that projection on door and window shall not exceed 0.91 metres. (Three feet); Provided further that projection shall not be at a lesser height than 2.06 meters (6'-9") clear above the plinth level of the building.(2)The area of the projection shall not be counted towards the covered area of the site.(3)In case of corner plots, sunshade not exceeding 0.60 metres.(2 feet) on window opening on to the side shall be permitted at a height not less than 2.06 meters (6'-9").
