Victorian Lean to Greenhouses

Lean to aluminium greenhouses are ideal for those who wish to enhance walled gardens, create a feature out of a wall or are limited on garden space. Our lean to greenhouse can be designed and built using either our traditional or messenger glazing system and you can choose from a range of colours for the structure to be powder coated in.

Considerations for a lean-to greenhouse

Typically, a lean-to greenhouse benefits from being positioned against a warm south facing wall to provide the necessary growing requirements for your plants. Whether you have an older existing wall or are contemplating building a new wall to attach your greenhouse to, you may wish to consider some of the following: 

Greenhouses Manufactured to Engineered Precision

To allow the greenhouse to sit against the wall, it should be of a suitable height and sound condition to incorporate the aluminium structure. The site will also need to include a double skin dwarf wall for the aluminium structure sit on. Due to engineered precision, there is very little tolerance for our structures therefore, the base itself requires equally engineered foundations. Read more on our building works page.

Planning Permission

Planning permission may be required for your new bespoke lean to greenhouse depending on a few factors:

  • Whether the building or wall is listed
  • How far you are from the neighbouring boundary
  • If you are situated in an area of natural beauty or conservation 
Regarding attaching to existing walls, any greenhouse in the boundaries of a listed building will need planning. However, it will only need listed building planning consent if directly attaching to the building. 

Three-quarter Span Greenhouse

A ¾ span lean to Victorian greenhouse is a perfect solution for a rear wall that is not high enough for a monopitch structure. The greenhouse projects from the wall at 45 degrees ¼ to the height of the ridge and returning ¾. 

Full span Greenhouse

If the existing wall for your made to measure lean-to greenhouse is not tall enough to accommodate a monopitch greenhouse, you might want to consider a full span structure. With a wall of at least 1.8m, a full span greenhouse can create beautiful symmetry with each roof slope projecting at 45 degrees.  This greenhouse utilises the available space and looks similar to a freestanding greenhouse affixed to the wall.

Monopitch Greenhouse

A monopitch greenhouse is a single sloped roof from ridge to eaves and utilises the full capacity of the wall it affixes to. 
Other elements of your project you may wish to consider are where you enter your greenhouse from. Whether that is from the gable end or the centre, this will determine the position of your door. With a central entrance, you can opt for a flat fronted or extended lobby depending on the space. 
At Alitex we design and manufacture a variety of lean to structures that suit your individual growing needs and the space you have available. Browse our lean to greenhouse gallery below.  

Ask a question

Fields marked with a * are mandatory

Brochure request

To receive your copy of our full-colour brochure in the post, fill in the short form below. Alternatively, you can download a digital copy and receive a PDF via email. Our brochure showcases the complete award-winning range of Alitex greenhouses. You will also receive a copy of our greenhouse price list.

If you are outside of the UK and require a printed brochure, please contact us.


Fields marked with * are mandatory.

If you have any problems submitting the form please call us on 01730 826900 or email us at

We will be in touch to ensure your brochure has arrived safely. It's also an opportunity to introduce ourselves and get an understanding of your garden project requirements.

If you would like to hear from us further, please tick the box below. We believe in sharing valuable content and would love to be able to share what we are up to, offering gardening and growing advice and invite you to exclusive events such as RHS Chelsea Flower Show.

This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.

Join our mailing list