To get an idea of the size of your garden you can use https://earth.google.com/web/ - find your garden and use the poly line tool to draw around your border, it will provide the square meterage
This service is available in postcodes HP4; HP23; HP5; HP1; HP2; HP3 for other areas please submit a contact form to request pricing
This service would require an appointment offered within usual business hours between Monday to Friday - weekend appointments incur a surcharge, available on request via contact form