Greenhouse Heating

Heating a Greenhouse without Electricity: What Actually Works

Matt W · 25th Jun 2026

Heating a greenhouse without electricity might seem like a tricky task, but it's actually quite doable with a bit of know-how. Whether you're looking to save on energy costs or simply don't have access to power in your greenhouse, there are several clever methods you can use to keep your plants cosy. Let's explore some practical ways to maintain warmth in your greenhouse without relying on electrical heating.

When to Plant Tomatoes in a Greenhouse: Heated vs Unheated

Matt W · 23rd Jun 2026

When to sow and plant out greenhouse tomatoes in the UK, with a heated-vs-unheated timeline table. Plant by soil temperature, not the calendar. From installers with Greenhouse Stores experience since 2012.

Do greenhouses stay warm in winter?

Matt W · 8th Mar 2026

Plan winter greenhouse growing with practical advice on temperatures, insulation, suitable crops and heating costs.

What to Grow in an Unheated Greenhouse: Month by Month UK Guide

Matt W · 5th Mar 2026

Grow fresh salad leaves every month of the year in an unheated greenhouse. Month-by-month sowing calendar, the five hardiest crops, and how to keep your greenhouse warmer without spending a penny on heating.

How Much Does It Cost to Heat a Greenhouse? UK Running Costs 2026

Matt W · 2nd Mar 2026

Real monthly heating costs for UK greenhouses. A 6x8 on frost protection costs around 20-30 per month with insulation. Worked examples for 3 sizes.

How to Grow Seeds in a Greenhouse

Matt W · 24th Feb 2026

Before sowing your first seed, optimise your greenhouse environment. Position seed trays on the south-facing side where they'll receive maximum natural light. Install shelving to maximise vertical space?a standard 8x6 greenhouse can house 12+ seed trays when properly configured.

Insulate against temperature fluctuations by using bubble wrap on greenhouse walls during February?April sowings. This simple step maintains 3?5?C warmer night-time temperatures, crucial for heat-loving seedlings like tomatoes and peppers.

Wooden vs Aluminium Greenhouses: Cost, Heat & Maintenance

Matt W · 24th Feb 2026

Wooden vs aluminium greenhouses compared by installers with 15 years experience. Heat retention, maintenance, cost, and appearance with a comparison table.

How to Grow Orchids In Your Greenhouse

Matt W · 11th Feb 2025

Growing orchids in a UK greenhouse starts with choosing plants that suit the temperatures you can maintain. A moth orchid needs warmth all year; a cooler-growing orchid has different needs. Good light, suitable compost and careful watering matter too. For a few moth orchids, a warm room indoors may be simpler than heating a greenhouse through winter. Build the collection around your available space and conditions.

Overwintering Plants in a Greenhouse: UK Frost Protection Guide

Matt W · 19th Nov 2024

Complete guide to overwintering plants in a greenhouse from expert installers. Covers tender plant temperatures, heating options with running costs, month-by-month calendar and frost protection methods.

How to Heat a Greenhouse

Matt W · 23rd Jan 2020

Greenhouses help us produce more food for a longer time - we know this already! But what if we went the extra step and took our greenhouse to the next level? Greenhouses alone can extend the growing season by months - without any extra heating.

How much does it cost to heat a greenhouse

Matt W · 30th Nov 2015

It's pretty obvious that the larger the greenhouse, the higher the cost of heating it but it is possible to curtain off a section of the house in the winter with bubble-wrap and reduce the volume that has to be heated.

How to Insulate a Greenhouse: Materials, Methods and Heat Savings

Matt W · 10th Sep 2015

Step-by-step greenhouse insulation guide from expert installers. Covers bubble wrap fitting, R-values, draft-proofing, polycarbonate comparison and real heating cost data. Includes month-by-month calendar and product recommendations.