Minimum Room Size Checker

Check room dimensions and overall GIA against the UK Nationally Described Space Standard (NDSS).

Dwelling Type

Number of Storeys

Dimensions

Overall GIA

m²

Master Bedroom (double)

× m

Single Bedroom

× m

Living Room

× m

Kitchen

× m

Compliance Check

Enter dimensions

Select dwelling type and enter dimensions

NDSS Minimum GIA

1B2P (1 st) 50 m²

2B3P (1 st) 61 m²

2B4P (1 st) 70 m²

2B4P (2 st) 79 m²

3B5P (2 st) 93 m²

3B6P (2 st) 102 m²

4B7P (2 st) 115 m²

4B7P (3 st) 121 m²

Room Minimums

Double bedroom 11.5 m² / 2.75 m

Single bedroom 7.5 m² / 2.15 m

Storage (1B) 1.5 m² / —

Storage (2B) 2.0 m² / —

Storage (3B) 2.5 m² / —

Storage (4B+) 3.5 m² / —

About NDSS

The Nationally Described Space Standard sets minimum floor areas for new dwellings in England. It is adopted by local authorities through their Local Plan policies. Not all LPAs require NDSS compliance.