Ny Floor Area Ratio

The floor area ratios are set forth by nyc planning in the zoning resolution zoning code.
Ny floor area ratio. A two story building on the same lot where each floor was 500 square feet. Far is expressed as a decimal number and is derived by dividing the total area of the building by the total. Far floor area ratio in new york city what is the floor area ratio. We said maximum zoning floor area.
Index numbers are values expressed as a percentage of a single base figure. However such a description will fly over the heads of most people so it helps to simplify it. For example if a building has a 10 000 square feet lot size and the building has only one floor completely covering the lot then it has a floor area ratio of one. Notice how we did not say the floor area equals 15 000 s f.
What is the floor area ratio. Far is the ratio of total building floor area to the area of its zoning lot. The floor area ratio is the deciding factor in finding out the maximum buildable floor area. The 126 new york city zoning maps indicate the loca tion and boundaries of zoning districts and are part of the zoning resolution.
See a new zoning plan for the district of columbia 1956 thirty eight blocks in typical commercial. If the lot area is 5 000 s f then the maximum zoning floor area allowed equals 15 000 s f. Floor area ratio far is the measurement of a building s floor area in relation to the size of the lot parcel that the building is located on. The difference between far and fsi is that the first is a ratio while the latter is an index.
The floor area ratio of a 1 000 square foot building with one story situated on a 4 000 square foot lot would be 0 25x. Lewis made a survey of existing bulk patterns. The floor area ratio is the ratio of the building s built square footage to its zoned lot size. Thus an far of 1 5 is translated as an fsi of 150.
To determine suitable floor area ratios for business districts in washington d c harold m. Far is the reason why buildings with the same size lot but in different zoning districts can be drastically different in size. Each map covers a land area of approximately. Floor area ratio is sometimes called floor space ratio fsr floor space index fsi site ratio or plot ratio.
The strict definition of far is the ratio of the total building floor area to the size of the plot.