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20 ads for greenhouses for sale in All Classifieds

Northern Ireland
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For Sale20
Glasshouse /Greenhouse
4
Glasshouse /Greenhouse

I'm looking for an old glasshouse for parts to repair my damaged one. If anyone has an old one, preferably 8'x6' that is damaged or they don't use anymore please let me know thanks

Dungannon, County Tyrone
FREE
Greenhouse glass. 3mm toughened.  Suitable for Halls Qube
2
Greenhouse glass. 3mm toughened. Suitable for Halls Qube

Various sizes as in photo. Could also be used to make cold-frames or summer-house

Crumlin, County Antrim
£10

What materials are commonly used in greenhouses, and what are their pros and cons?

Greenhouses are commonly made from materials like glass, polycarbonate, and polyethylene film. Glass offers excellent light transmission but is heavy and can be fragile. Polycarbonate is more durable and provides good insulation. Polyethylene film is the most affordable option but has a shorter lifespan and lower light transmission. Consider the climate in Northern Ireland when choosing a material, as polycarbonate may be preferable due to its insulation properties.

What size greenhouse do I need, and how should I determine the best location in my garden?

The size of your greenhouse depends on your gardening needs and available space. Consider the types and quantities of plants you want to grow. Locate your greenhouse in a sunny spot that receives at least 6 hours of direct sunlight per day. Ensure it's sheltered from strong winds, which are common in parts of Northern Ireland, and has good drainage to prevent waterlogging. Check local planning regulations regarding greenhouse size and placement before installation.

What ventilation and heating considerations are important for a greenhouse in Northern Ireland?

Adequate ventilation is crucial to prevent overheating and humidity build-up. Consider vents, louvres, or automatic vent openers. Heating may be necessary during colder months to protect sensitive plants. Options include electric heaters, paraffin heaters, or gas heaters. Ensure any heating system is properly installed and maintained, and that adequate safety precautions are in place, especially with fuel-burning heaters, to avoid fire hazards and carbon monoxide poisoning.

What should I check when buying a used greenhouse?

Inspect the frame for rust, rot, or damage. Check the glazing (glass or polycarbonate) for cracks, chips, or discoloration. Ensure all vents and doors operate smoothly. Ask about the greenhouse's age and history. If dismantling and transporting, ensure you have all the necessary parts and instructions. Consider the cost of repairs or replacements when negotiating the price.

What legal requirements should I be aware of when erecting a greenhouse in Northern Ireland?

In many cases, small domestic greenhouses do not require planning permission, but it's essential to check with your local council (e.g., Belfast City Council, Derry City and Strabane District Council) to confirm. Building regulations may apply depending on the size and location of the greenhouse, particularly if it's attached to a dwelling. Ensure the greenhouse is structurally sound and safe, especially in areas prone to strong winds.