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Four sets: twin house + mini villa + storage

Svartgarn

Österåker Kommun, Sweden

Record 02 / 08In programme
Gross area, indicative1,613 m²
Programme2026 to 2027
LocationÖsteråkerSweden
TypologyTwin housesFour sets: twin house + mini villa + storage
01

Overview

Four identical sets, each with one semi-detached twin house, one mini villa and one storage building. Our scope: timber structure design, frame production, transport, assembly, window installation, façade works and external doors. Offer revision 15 May 2026.

02

The record

Status
In programme
Project
Svartgarn
Type
Four sets: twin house + mini villa + storage
Country
Sweden
Location
Österåker Kommun, Sweden
Straight-line from Sigulda
about 460 km
Programme
2026 to 2027
Gross area, indicative
1,613 m²
Sets
4 identical
Per set
1 twin house · 1 mini villa · 1 storage
Gross area, 4 sets
1,613 m² (indicative)
Wall system
E195HD
Floor system
C245
Roof system
R245
Structural beams
GL24h
03

In numbers

4Identical setsEach: twin house, mini villa, storage
12Buildings in total4 sets × 3 buildings
403m²Average gross area per set1,613 m² divided by 4, indicative
1.08monthsEquivalent line capacityAt up to 1,500 m² per month
33 to 41Truckloads, indicativeAt 40 to 50 m² of building area per truck

Calculated from the figures above. Truckloads and line capacity are indicative.

04

Scale in context

Built area across every project on record.

  1. KV Bollen1,960 m²
  2. Ljustero1,960 m²
  3. Sanghusvallen1,960 m²
  4. BRF Karlskronaviken1,884 m²
  5. Svartgarn1,613 m²
  6. TANDALLEN1,360 m²
  7. BRF Prästängen450 m²
  8. Narvesen46 m²
Full specification and bill of quantities are issued on request.
Request them
The programme

Four sets, three building types.

Each set is designed once, then produced and assembled four times.

4Identical sets
4Twin houses
4Mini villas
4Storage buildings
1,613m² gross, indicative
10Month programme
Semi-detached, two storeys

Twin house

Gross building area
342.2 m²
Usable floor area
283.9 m²
Storeys
2
Windows
24 · 56.1 m²
Balcony doors
6 · 13.9 m²
External doors
4
Glulam beams
1.04 m³
Wall systems
E195HD · L145 · N95 · PW145+145

Quantities are indicative and based on the preliminary Bill of Quantities, 11 May 2026. Final values follow detailed design.

Time schedule

Ten months, overlapping sets.

Design runs once. Production and assembly then stagger across the four sets.

Position
M1M2M3M4M5M6M7M8M9M10
Structural design and drawings
Production · Set 1
Production · Set 2
Production · Set 3
Production · Set 4
Assembly and airtightness · Set 1
Assembly and airtightness · Set 2
Assembly and airtightness · Set 3
Assembly and airtightness · Set 4
Design and drawingsWood structure productionBuilding assembly

Bar positions read from the Project Time Schedule, Rev. 15 May 2026. Phases overlap across the four identical sets.

Structure

Structure at a glance.

The twin house and mini villa share the E195HD exterior wall: a C24 frame with 200 mm of insulation, finished on site with OSB and gypsum board.

See both assemblies, layer by layer →

Wall
E195HD · U 0.16 W/(m²K)
Party wall
PW145+145 · U 0.13 W/(m²K)
Floor
C245, 250 mm insulated
Roof
R245, panels in the offer
Beams
GL24h glulam
Scope of works

What we do, and what we don't.

Form MI_1 for this project. Cranes are provided by the customer.

1Design works
Traditional architectural and structural designTimber structure design
2Groundworks
Earthworks and excavationExternal utilities: water, sewerage, electricityFoundation construction
3.1Building frame
Structural frame productionTransportAssembly and on-site installation
3.2Building envelope
Roofingnot in scopeWindow installationFaçade worksExternal doorsBalcony constructionnot in scope
4Internal utility systems
Electrical installationsPlumbing and sewer systemsHeating systemsVentilation and heat recoveryLow-voltage networks
5Internal finishes
Sanitary units and tilingInterior doorsStaircase installationFlooring worksPainting and wall finishesKitchen installation and fitted equipment
6External infrastructure
Road constructionPedestrian pathwaysChildren's playgroundsLandscaping
MasterIndustry scopeClient or general contractorExcluded from this offer
DIN EN ISO 6946High energy-efficiency buildingsLCA, life-cycle assessmentAirtightness test EN ISO 9972

Source: Form MI_1, Scope of Construction Activities, Rev. 1, 15 May 2026. Scope is set per project.