Gonna lose the greenhouse!!!

A cold frame would be your answer

Why do I have to swap allotments? It's a question of economics - new allotment is walking distance from home - everything is about weighing up pros and cons.

Why do I have to swap allotments? It's a question of economics - new allotment is walking distance from home - everything is about weighing up pros and cons.

And how far away is the current allotment plot?  As you've obviously fallen in love with the greenhouse, I'd say that came under "pro" 

Is it possible to find out if you can erect a greenhouse on your new plot - maybe a polytunnel (the stainless steel metal frame with the chequered green cover type) might be a cheaper alternate (and if you move, is easily disassembled as the metal frame comes apart, and can be put up somewhere else)

As Norfolkgrey said, why don't you dismantle it and take it with you? Replacement windows are only a couple of quid on fleabay if a few get broken. Mine would come with me now - wouldn't be without it.

I take it no room at home for one either?

how teeny is the new plot? putting in a greenhouse wouldn't take any growing space away, just make some of it a warmer space.

if anything i would say you may gain space with a greenhouse as you can grow upwards. you can ram a lot of plants in under cover, especially if you grow in the ground rather than in pots and don't mind tip toeing through a narrow walk way and stretching a little over wider beds.

due to the increased heat over a longer period you can often get more crops than you would outside over the year.