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5x5m Tiny House Design: Ideas, Floor Plans and 3D Pictures

Updated on January 17, 2018
5x5m single person home
5x5m single person home


Do you want to self-build on your own land or on a small plot of land? Do you want a small but perfectly formed eco-friendly and efficient future-proofed dwelling? Would you use it as a one-person or couples home? A guesthouse? A granny flat? An annex for a grown-up child?

This 5m x 5m house has a ground floor and mezzanine level. The ground floor contains a full bathroom, kitchenette, storage and bed. The upper floor is the living area with a couch and entertainment system.

The house was designed for my train-mad brother who has learning difficulties. A computer/tv/entertainment system plus the opportunity to see trains out of the window are the only real luxuries he would want in a house. If you'd consider building a house like this then you'll have to think about the things you would want in a tiny home - for example if you'd like a small dining area this will need to be factored in.

Using retail costings, I estimated that the whole house would be around £30,000 worth of materials to build in the UK. This includes foundations, plumbing (inc boiler), electrics & all furniture. Labour, architect fees and planning permission would be on top.

View from a couch on the upper floor
View from a couch on the upper floor
View when lying in the bed
View when lying in the bed
Edge of the kitchenette, storage cupboard and bathroom door
Edge of the kitchenette, storage cupboard and bathroom door
The bed with roll out storage behind the headboard
The bed with roll out storage behind the headboard


This house has a small balcony, minimal windows (arranged for the best view, for my brother that was of the train tracks that are at the back of my parent's property!), roof windows for the best light ratio, and a mezzanine floor giving the ground floor some double height space.

Built from Insulated Concrete Forms (ICFs), plus wood framing, this house will be very well insulated but still cheap and quick to put up.

All the sizes are standard, and apart from the ICFs all the materials can be purchased from a general builders store or warehouse, like Wickes.

On the upper floor there is lots of light with two windows plus a patio door window leading to the balcony.

Downstairs there is still natural light coming from the top floor through the open space, plus further light from the roof windows.

Exposed wood framing gives the house cottage-style charm.

Underfloor heating saves wall space, and a sliding door to enter the bathroom adds style whilst saving a swinging door from cramping the area.

Behind the bed is a roll-out storage unit. Above the rolling unit is a shelf to act as a bedside table that doesn't move.

The stairs do not have a bannister which keeps the space open. This would have to be looked at if children were going to live in the house. Under the stairs is ample opportunity for further storage solutions.

Ground Floor Plan
Ground Floor Plan

Ground Floor Plan

The main entrance opens directly into the ground floor. To the left is a kitchenette with sink and convection oven microwave. The plan included a very small counter height fridge-freezer but no real space for a washing machine. Space in the storage cupboard could be sacrificed for this.

The storage cupboard is full height and is between the kitchen facilities and bathroom.

The bathroom is accessed through a sliding door and is full size. The bathroom could easily be condensed with a shower stall making further room.

The queen size bed fits in the alcove to the right of the bathroom. The bathroom wall gives opportunity to mount a tv to watch in bed.

Behind the bed is a roll out storage unit. This could be just a book case on castors or you could have a custom unit built with drawers or cupboards.

The stairs start right next to the front door and bend around the exterior wall. The stairs could have a LOT of extra storage built in. The treads could lift up revealing storage boxes for example.

Top Floor Plan
Top Floor Plan

Top Floor Plan

The top floor is extremely simple, The roof incline means that some of the space isn't useable, but could be concerted to some useful further storage space.

A two seater couch can be fitted above the kitchen area. The windows have been placed according to the view from the couch.

An entertainment unit is situated in the corner. The upstairs is the main living area so should be configured to the way the person(s) staying in the house want.

The french doors are a standard size and lead onto the simple full-width balcony. The balcony railing style will have a dramatic effect on the design of the house. Here I've used railings that are similar in style to old-fashioned railway controller towers.

Want More?

Kestrel Design can design your custom interior solutions. You don't have to have a huge home to have a well thought-out, functioning space. International clients can have detailed plans sent direct to their contractor for build. Please see Kestrel Design for more details.

Recommended Reading

Humble Homes, Simple Shacks, Cozy Cottages, Ramshackle Retreats, Funky Forts: And Whatever The Heck Else We Could Squeeze In Here
Humble Homes, Simple Shacks, Cozy Cottages, Ramshackle Retreats, Funky Forts: And Whatever The Heck Else We Could Squeeze In Here

This book is amazing for a can-do attitude towards building and design ideas. It certainly has no true diagrams or methods, but is an inspiration all the same.

Tiny House Floor Plans: Over 200 Interior Designs for Tiny Houses
Tiny House Floor Plans: Over 200 Interior Designs for Tiny Houses

If you love pouring over floor plans then get this book. It is divided into house sizes and certainly gets the brain going. You find yourself forming the perfect layout for your needs.


So what do you think?

Do you have suggestions to make this small house for my brother even better? I'd love to hear!

Or perhaps you're facing design challenges of your own - why not let me know. I can't promise to help everybody but I do look forward to taking on new challenges!


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