In general a domestic conservatory is exempt under UK building regulations. We have listed below some of the exemptions requirements under building regulations 1991 (as amendments). This criteria must be met for a conservatory to be classified as exempt.

1. The conservatory building must have a transparent or translucent roof.
2. The conservatory walls must be at least 75% wall glazing (therefore having a max wall area of 25% brickwork.
3. The conservatory floor area should not exceed 30m².
4. The conservatory must be constructed at ground level.
5. The conservatory is to be separated from the property by means of a physical barrier.
6. The glazing satisfied building regulations part N. shed I (toughened/safety glass).