The major DIY and garden store B&Q are offering a basic 40cm petrol mower which which is getting mixed reviews on the B&Q web site.
Specifications on the B&Q web site are sparse but they do sat that this mower is fitted with a 99cc four stroke engine. They make no mention of the grass collector capacity.
At the time of writing B&Q are advertising this lawnmower priced at £117. Other retailers such as Wilko and Tesco Direct are offering similarly own brand mowers for under £100.