The Collection · 2026

Every module. Every price. No surprises.

All prices are turnkey "from" prices excluding VAT. Module, delivery, installation, connections and landscaping included. Turnkey packages from £3,250 per square metre.

Range 01

Small Living Spaces

10–29m²

Compact, yet mighty. Home offices, guest houses, granny flats and boutique stays: fully fitted concrete capsules, underground or overground, installed in hours and built to outlive us all.

Modular 10

Modular 10

10m² · up to 2 people

Energy-efficient living with optimal natural light. Options A & B layouts, underground or overground.

From £45,000
MINI 10

MINI 10

10m² · relax or focus

Plug-and-play in hours. Fully furnished on arrival with calm Japandi interior, bedroom or office fit-out.

From £45,000
OPEN 10

OPEN 10

10m² · relax or focus

A bright space that slips naturally into gardens. Entrance door and wide window, ready to enjoy on delivery.

From £45,000
Modular 20

Modular 20

20m² · up to 4 people

Two connected modules: dining, kitchen, living, separate bedroom and toilet. A complete compact cottage.

From £75,000
PLUS 20

PLUS 20

20m² · everyday living

Bright, airy standalone house, two entrances, kitchen, bathroom, extra window. Turnkey and furnished.

From £75,000
Modular A custom earth-sheltered configuration — Revonia concept render

Modular A

29m² · luxury self-contained

Inspired by Finland's Mökki houses. Spiral staircase to a bedroom under a magnificent sky window.

From £150,000

Range 03

Large Living Spaces

60–80m²

The "wow" effect, engineered. Cross-vaulted ceilings, open layouts, optional saunas and spas. Near net-zero running costs, built as a legacy for generations.

Modular 60

Modular 60

60m² · 2–3 bedrooms · 3 options

Big open living with 2–3 bedrooms, optional sauna, and a cross-vaulted module that extends living outdoors. Built for hosting.

From £199,000
Modular 80

Modular 80

80m² · 2–4 bedrooms

Our largest home. Two to four bedrooms, customised to suit, the childhood home your grandkids will tell stories about.

From £275,000

Range 04

Vaulted Cellars

4.5–21.4m²

Where the story started. Energy-free natural storage for wine, cheese and provisions, inspired by ancient Estonian tradition, beautiful enough to entertain in.

Cellar 4.5

Cellar 4.5

4.5m²

Single-piece module, walls, vault, floor, doors, roof ducts.

From £25,000
Cellar 11.7

Cellar 11.7

11.7m²

Two interlocking modules with 2m² entrance and 9.7m² storage room.

From £35,000
Cellar 16.2 cutaway plan: entrance plus two vaulted storage rooms

Cellar 16.2

16.2m²

Three modules: entrance plus 9.7m² and 4.5m² storage rooms.

From £44,000
Cellar 21.4 cutaway plan: entrance and two storage rooms with tasting table

Cellar 21.4

21.4m²

Three vaulted modules: entrance and two 9.7m² storage rooms.

From £52,000

Range 05

Cave Saunas

4.5–23.9m²

Domed and vaulted ceilings circulate steam like nothing else on the market. Hand-crafted benches, wood-burning stoves, and options up to a full spa suite with kitchen and bathroom.

Cave Sauna 4.5

Cave Sauna 4.5

4.5m² · dome vault

Dome-vaulted ceiling for exceptional steam distribution. Platform, heater and full interior finish included.

From £30,000
Cave Sauna 9.7 GLASS

Cave Sauna 9.7 / 9.7 GLASS

9.7m²

One module with 4.5m² sauna. The GLASS variant swaps the door for a large arched insulated glass wall.

From £40,000
Cave Sauna 11.7 floor plan: sauna, washroom and entrance

Cave Sauna 11.7 / 14.2

11.7–14.2m²

Two modules: sauna with glass door to a spa room, plus entrance. Windowed doors for a spacious feel.

From £42,000
Cave Sauna 19.4 floor plan: glass entrance, shower room and sauna

Cave Sauna 19.4

19.4m²

Two interlinked modules: 9.7m² glass entrance plus shower and sauna with large arches. Ready-to-go connections.

From £55,000
Cave Sauna 23.9 floor plan: sauna, kitchen, living area and bathroom

Cave Sauna 23.9

23.9m²

Three modules with connection systems for sauna, kitchen and bathroom, a complete wellness retreat.

From £65,000

Not sure which fits?

Answer three questions and we'll point you at the right range for your land and budget.

Turnkey, Properly Defined

What "all-inclusive" actually includes.

  • Concrete modules & all connection tooling
  • Geomembrane waterproofing
  • Custom fully equipped kitchen & appliances
  • Underfloor electric heating, thermostats every room
  • Fully equipped bathroom, toilet & electric boiler
  • Tiled floors, lime-plastered walls & ceilings
  • Oak wood panelling & triple-glazed wooden doors/windows
  • Planning administration, applications & submissions
  • Detailed architectural drawings & blueprints
  • Site survey, imaging, preparation & standard foundations
  • Delivery, specialist lifting & on-site installation
  • Mains power, water & sewage connections
  • Up to 1m topsoil, grass seeding & entrance paving
  • End-to-end project management & aftercare

Extras & add-ons

Solar panels & batteryOff-grid technologySwimming pools & spasCustom facadesPatio, decking & drivewaysBespoke carpentryInterior design & furnishingsOutdoor kitchens & BBQ areasSmart liftsUnderground bunkersMilitary-grade door upgradePergolas & car ports

All prices exclude VAT and are indicative "from" prices, updated January 2026. * Some items incur additional cost depending on site, confirmed transparently at quotation.