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Two apartment buildings: From plot of land to capital investment.

In Killwangen, a challenging plot right by the station became an institutional capital investment. Over four years, smzh guided the process through the decisive value stages: potential, structure, permitting, capital, implementation, leasing and handover to a Swiss pension fund.

Killwangen AG, two apartment buildings: From plot of land to capital investment.

Starting point

10 existing units

Small-scale use on a challenging plot right by the station.

Challenge

Railway line, main road, open watercourse, flood protection and design plan: several conditions that could have stopped the project.

End result

58 new residential units

Institutionally investable: Minergie-certified, turnkey, sold as an asset deal to a Swiss pension fund.

The biggest value levers at Killwangen:

Blue marks a value jump.

01 Property access

    02 Feasibility

      03 Usage concept

        04 Structure

          05 Permitting

            06 Capital

              07 Implementation

                08 Lease

                  09 Exit

                    Project profile:

                    Location

                    Killwangen AG, by the station

                    Use

                    Residential development

                    Units

                    58 residential units

                    Duration

                    4 years

                    Standard

                    Minergie

                    Handover

                    Turnkey

                    Buyer

                    Swiss pension fund

                    Transaction

                    Asset deal

                    Ten existing units were turned into not just more floor space. But an institutionally investable capital investment with 58 new residential units.

                    Residential development Killwangen AG, completed and handed over.
                    Living space with terrace access and views into the green.
                    Kitchen in design standard.
                    Finished bathroom
                    Exterior view of the finished development.
                    Roof terrace overlooking the Limmattal.

                    A strong location with several hard constraints.

                    The proximity to the station made the location attractive. Yet, the railway line, main road, open watercourse, flood protection and design plan significantly increased its complexity. What mattered was not to treat these conditions in isolation, but to bring them together in building-law, technical and economic terms. This is how a challenging location became a permittable and buildable project.

                    A strong location with several hard constraints.
                    • Hazard map flooding
                    • Stream
                    • Plot

                    Aerial view: construction site between main road, railway line and motorway tunnel.
                    Excavation and shell construction of the basement levels on the slope.
                    Formwork for the base slab, right between railway and road.
                    Shell construction with crane, looking over Killwangen towards the Limmattal.

                    Value in real estate rarely emerges in a linear way. And rarely only at the time of sale.

                    Value does not emerge in a linear way

                    Decisive progress was not achieved in any single phase, but in the interplay of property access, usage concept, permitting, financing, lease and sale.

                    The plot had more than one price

                    The price of the land, permittable volume, financeability, and later return had to be aligned. It is only as a result of this alignment that the project became an institutionally viable capital investment.

                    The sale was prepared early

                    The handover to a pension fund was possible because use, Minergie standard, lease, documentation and yield logic were aligned to institutional buyers early on.

                    This is how potential became a buildable project.

                    Value jump

                    01 Property access

                    The value was not in the price of the land, but in the realizable use.

                    • Starting point: A plot right by the station, between railway and main road, with an open watercourse, flood risk and complex conditions.
                    • smzh decision: Do not assess the current state, but the realizable potential under the existing conditions.
                    • Value lever: Location quality, building-law latitude and demand assessed before purchase and translated into the acquisition logic.
                    • Result: Secured property access to a location whose development potential was not yet fully visible in the market.

                    02 Feasibility

                    Potential only becomes resilient when building law, costs, financing and saleability align.

                    • Starting point: Volume, costs, building law, financing and saleability were not yet clarified as an overall picture at the outset.
                    • smzh decision: Assess feasibility not in isolation, but as the interplay of building law, economic viability, financing and saleability.
                    • Value lever: Volume, use, permitting risks, costs, yield and saleability brought together into a single basis for decisions.
                    • Result: A resilient project framework that factored in financing, implementation and later sale from the start.
                    Value jump

                    03 Usage concept

                    Leaseability begins with the floor plan.

                    • Starting point: A building that is correct in terms of building law is not yet a marketable product for tenants and investors.
                    • smzh decision: Optimize not only for permitting and construction, but for leaseability, operation and later buyer logic.
                    • Value lever: Apartment mix, floor plans, access, fit-out standard and Minergie deliberately aligned with leaseability, operation and institutional buyer logic.
                    • Result: A marketable residential product with clear leaseability and a transparent yield profile.
                    Floor plan: from unnecessary circulation to a compact core
                    Floor plan, previous state
                    Floor plan, previous state
                    Floor plan, optimized
                    Floor plan, optimized

                    04 Structure

                    Early structure determines whether potential can be realized at all.

                    • Starting point: A single plot would have limited volume, floor-plan quality, apartment mix and salability.
                    • smzh decision: First secure access, then extend the perimeter with a second plot into a unit that can be developed.
                    • Value lever: Perimeter extended, purchase structure clarified, phasing defined and owner coordination established.
                    • Result: A limited single plot became a perimeter to be developed into two apartment buildings.
                    Value jump

                    05 Permitting

                    The most important value jump came before ground was broken.

                    • Starting point: Design plan, watercourse diversion, flood protection, railway and main road increased the complexity. Each condition could jeopardize the timeline, costs or permittability.
                    • smzh decision: Structure the conditions technically, in building-law terms and organizationally so that the project becomes permittable.
                    • Value lever: Handled the coordination of authorities, advanced the design plan, resolved flood and watercourse matters in planning terms, and obtained a building permit.
                    • Result: Building permit obtained. A complex starting point became a plannable and financeable project.
                    Value jump

                    06 Capital

                    Capital follows resilient foundations, not declarations of intent.

                    • Starting point: Capital providers assess not the idea, but risk, equity, costs, permitting status, yield and salability.
                    • smzh decision: Set up the capital structure so that the acquisition, development, construction and lease phases can be carried financially.
                    • Value lever: Equity, debt, bank discussions, affordability, covenants, and terms structured along the project phases.
                    • Result: Secured financing that would cover the construction and lease phase and later the transaction.

                    07 Implementation

                    Owner's representation protects the economic target.

                    • Starting point: Quality, deadlines, costs and decisions quickly drift apart if interfaces are not managed.
                    • smzh decision: Consistently align planning, contractors, cost decisions, and execution to the economic target.
                    • Value lever: Actively managed architects, planners, contractors, cost decisions, deadlines and interfaces through owner's representation.
                    • Result: Two apartment buildings built turnkey, with controlled quality and in line with Minergie standard.

                    08 Lease

                    A finished building is not yet an investment. Only lease income makes it resilient.

                    • Starting point: Without leasing, yield remains uncertain, the buyer pool narrower and the value less resilient.
                    • smzh decision: Convert the property into a leased, income-generating investment prior to sale.
                    • Value lever: Target tenants defined, rent logic set, marketing steered and leasing driven all the way to an income basis.
                    • Result: Leasing achieved. Yield, demand and marketability were demonstrable prior to the sale.
                    Value jump

                    09 Exit

                    The sale was not an endpoint, but the result of the decisions made upstream.

                    • Starting point: Institutional buyers need a transparent investment property: permitting, quality, leasing, yield, sustainability, and resilient figures.
                    • smzh decision: Align the property from the outset so that it becomes assessable, financeable, and transferable for institutional buyers.
                    • Value lever: Stabilized leasing, substantiated property quality, sharpened buyer logic, led investor outreach, and steered transaction through to handover.
                    • Result: Turnkey handover to a Swiss pension fund as part of an asset deal.

                    Which decision is coming up for your property project?

                    Whether we talk about an existing property, a development, financing, lease or sale: we assess your starting position and show which next steps matter for structure, capital, implementation or exit.

                    Assess project

                      Create investor profile

                        Consider selling

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