Operator field data — collected on site at Asuntomessut 2026, Lempäälä (29 July 2026) How we read the data

Kohde 11 · Asuntomessut 2026

Completed

Casa Onnenkivi

built by Jämerä Kivitalot Oy157

About this project

Casa Onnenkivi is a detached house with two floors. It features a living area of 157 + 45.5 m² and a gross area of 256 kem², situated on a 586 m² plot with a building right of 300 m². The house is built with an aerated concrete block (kevytbetoniharkko) structure and a two-layer render facade. Heating is managed through district heating with heat exchangers, and a built-in garage is included.

157 total area
Where
As built

Project specifications

Areas & dimensions

Living area157 + 45.5 m²
Gross floor area256 largest private house on the fair
Plot586 m², building right 300 m²

Construction & systems

Frameaerated concrete block (kevytbetoniharkko) — the only stone house on the fair
Facadetwo-layer render
Heatingdistrict heating, heat exchangers

Delivery & provenance

Industry associationJäsenyritys

Other

autotallibuilt-in
Budget

Build a budget

157 m² from the model
1House-kit level
Subtotals by group
Plot and permits710 – 2 090 €
Catalogue norm
Design4 480 – 12 980 €
Catalogue norm
Connections1 500 – 6 500 €
Catalogue norm
Site works24 270 – 58 550 €
Catalogue norm
House kit282 600 – 392 500 €
Catalogue norm1800–2500 €/m² × 157 m²
Technical systems
Included in the kit
Interior and finishing
Included in the kit
Other costs25 949 – 59 290 €
Catalogue norm
Specialist designs (heating/vent/water/electrical)Not added
B2Included in the kit
Heating — air-to-water heat pump, installedNot added
F1Included in the kit
Heat-recovery ventilationNot added
F3Included in the kit
Internal electrical and low-voltageNot added
F4Included in the kit
Internal plumbing and sanitary wareNot added
F5Included in the kit
Interior finishing (below turnkey stage)Not added
G1Included in the kit
Every row states its source. No figure is a model's guess.
See it line by line
2Build locationThe county adjusts the local-work lines — site works, connections, permits — not the house kit.
3Do you have a plot?
A plot with a detailed plan saves both money and months.
Helps manufacturers check the model fits your plot.
4What is already on the plot?
Electricity
Water and sewer
Connections are the cost buyers most often miss.
5How will you finance it?
339 509 – 531 910 € excl. VAT · 2 162 € / m²Indicative range, not a quote. Every row states its source.
In progress & finished

Construction & reveal photos

Coming soon

Built by

Jämerä Kivitalot Oy
Since 2012
View profile

Project credits

Pääsuunnittelija (principal designer)
Jämerä Kivitalot OyKirsi Lehtonen
Architecture
Jämerä Kivitalot OyKirsi Lehtonen
Interior design
Avico OyElina Katajamäki
Landscape design
Tammerpihat OyEvita Aattela
Contractor
Jämerä Kivitalot Oy
Operator field data — collected on site at Asuntomessut 2026, Lempäälä (29 July 2026) How we read the data

Kohde 11 · Asuntomessut 2026

Completed
Casa Onnenkivi
by Jämerä Kivitalot Oy
157

About

Casa Onnenkivi is a detached house with two floors. It features a living area of 157 + 45.5 m² and a gross area of 256 kem², situated on a 586 m² plot with a building right of 300 m². The house is built with an aerated concrete block (kevytbetoniharkko) structure and a two-layer render facade. Heating is managed through district heating with heat exchangers, and a built-in garage is included.

Where

As built

Project specifications

Areas & dimensions

Living area157 + 45.5 m²
Gross floor area256 largest private house on the fair
Plot586 m², building right 300 m²

Construction & systems

Frameaerated concrete block (kevytbetoniharkko) — the only stone house on the fair
Facadetwo-layer render
Heatingdistrict heating, heat exchangers

Delivery & provenance

Industry associationJäsenyritys

Other

autotallibuilt-in
Budget

Build a budget

157 m² from the model
1House-kit level
Subtotals by group
Plot and permits710 – 2 090 €
Catalogue norm
Design4 480 – 12 980 €
Catalogue norm
Connections1 500 – 6 500 €
Catalogue norm
Site works24 270 – 58 550 €
Catalogue norm
House kit282 600 – 392 500 €
Catalogue norm1800–2500 €/m² × 157 m²
Technical systems
Included in the kit
Interior and finishing
Included in the kit
Other costs25 949 – 59 290 €
Catalogue norm
Specialist designs (heating/vent/water/electrical)Not added
B2Included in the kit
Heating — air-to-water heat pump, installedNot added
F1Included in the kit
Heat-recovery ventilationNot added
F3Included in the kit
Internal electrical and low-voltageNot added
F4Included in the kit
Internal plumbing and sanitary wareNot added
F5Included in the kit
Interior finishing (below turnkey stage)Not added
G1Included in the kit
Every row states its source. No figure is a model's guess.
See it line by line
2Build locationThe county adjusts the local-work lines — site works, connections, permits — not the house kit.
3Do you have a plot?
A plot with a detailed plan saves both money and months.
Helps manufacturers check the model fits your plot.
4What is already on the plot?
Electricity
Water and sewer
Connections are the cost buyers most often miss.
5How will you finance it?
339 509 – 531 910 € excl. VAT · 2 162 € / m²Indicative range, not a quote. Every row states its source.

Construction photos

Coming soon

Built by

Jämerä Kivitalot Oy
since 2012

About this build

Total floor area
157 m²
Floors
2

Project credits

Pääsuunnittelija (principal designer)
Jämerä Kivitalot OyKirsi Lehtonen
Architecture
Jämerä Kivitalot OyKirsi Lehtonen
Interior design
Avico OyElina Katajamäki
Landscape design
Tammerpihat OyEvita Aattela
Contractor
Jämerä Kivitalot Oy