The Trading Shed is located at the Hertford Avenue allotment site located at Hertford Avenue, SW14 8EQ and run by Mark and supported by Katie Lee.

The Trading Shed is one of the benefits of Barnes Horticultural and Allotment Society (BHAS) membership; discounted seeds, fertilisers, and other gardening supplies are available for purchase during the growing season.

All stock is offered at a discount to garden centre prices to BHAS members.

During trading hours, you can also join or renew your BHAS membership and collect a membership card.

Trading Shed hours

The Trading Shed is open each weekend between 11.00 – 12.00 on Saturday and Sunday. The shed is usually closed during August and over the holidays in December.

Trading Shed price list

Prices correct as at february 2023.
Please note This list is provided as a reference only. The prices at the shed will prevail.
Description Size Price 
Country Composted Manure 80 litres£3.50
N Horizon peat free compost 50 litres £6.5
John Innes No 3 35 litres £5.50
Jack’s Magic compost 50 litres £6.00
SilvaGrow peat free compost  
50 litres 
Extra –rich 6x manure  £6.00
Ericaceous compost 60 litres £6.20
Tomato Planters  £4.20
Chicken manure pellets 8kg tub £7.00
Bone Meal 2.5kg£2.00
Fish, blood and bone 2.5kg£2.80
Growmore 2.5kg£2.20
Garotta3.5 kg box £5.00
Potash 1kg £2.20
Lime 2.5 kg £2.20
Maxicrop1 litre£4.80
Vermiculite/Perlite 1 bag £1.50
Tomato Feed 1 litre £3.30
Slug Pellets (ferric phosphate)800g £4.00
Gloves Pair £5.50
Plant labels Small plastic
Large plasticwood
10 for 15p 10 for 25p
10 for 40p
Fleece 3.20 m wide 1 metre £0.60
Netting 4 metre wide 1 metre £1.50 
Potting Grit  2.5kg20kg £0.80£5.00
Path cover 0.5 m wide 
Path cover 1m wide 
1 metre 
1 metre 
Clear Polythene sheet 1 metre £1.50
Black Plastic 4 m wide 1 metre £1.50 
Seed Modules 12 plugs 25p each 
Jute Twine  £3.50 
Seed Potatoes1.0kg £1.50
Onion Sets 100g £0.70
Shallots 500g £1.75
Roofing felt 1 metre £3.00 
Weed control fabric 13 m £5 per roll 
Cane CapsEach 10p 
Green plant ties 
Easy Fleece Jackets