Renovation of your home in Frederikssund.
Frederikssund Municipality is a North Zealand fjord municipality along Roskilde Fjord, approximately 40 km north-west of Copenhagen. The municipality was created in 2007 by the merger of Frederikssund, Slangerup, Skibby and Jægerspris. The new Vinge Station (opened 2020) on the Frederikssund line strengthens the connection to Copenhagen and has created expectations of urban development. The municipality has the lowest vacancy in this group: 3.6%.
Frederikssund in brief — context for your renovation.
trainThe Frederikssund Line and Vinge Station
Frederikssund is the terminal station on S-train line A. The new Vinge Station (2020) is ready for a new district — Vinge — which is planned to accommodate up to 20,000 residents over time. The rail connection to Copenhagen takes approximately 50 minutes and is the municipality's main commuter route.
landscapeRoskilde Fjord and natural values
Frederikssund Municipality has a long fjord shoreline facing Roskilde Fjord and large natural areas at Jægerspris Nordskov and Jægerspris hunting castle. This gives homes with fjord views and access to nature a premium in the market.
homeLow vacancy and a healthy housing stock
With 3.6% vacancy, Frederikssund is one of the healthier commuter municipalities west of Copenhagen. Detached houses dominate (48%), and the housing market is stable with strong demand from Copenhagen commuters.
Your housing type.
Detached house from 1960–1990
48% of homes in Frederikssund — approx. 10,600 dwellings (source: Statistics Denmark 2025)
Detached houses dominate Frederikssund Municipality — from station-adjacent houses in Frederikssund city to more rural properties in Skibby and Jægerspris. The typical home is a brick house from the 1960s–80s. The location near the S-train gives good profitability on renovations.
What's typical?
- — Brick exterior walls
- — Pitched roof with concrete tiles
- — District heating in towns, heat pump or oil boiler in rural areas
- — Garden of 600–1,000 m²
- — Garage or carport
Common weaknesses
- — Many houses lack additional insulation
- — Worn roofs from the 1960s–70s
- — Older oil or gas boilers in rural areas
- — Outdated bathroom
Typical costs
Do you need an architect?
Probably not necessary for:
- — Roof replacement using the same material
- — Extension under 50 m²
- — Interior renovation
Architect recommended or required for:
- — Extension over 50 m²
- — Façade alterations
- — Loft conversion
Apartment building from 1960–1980
23% of homes in Frederikssund — approx. 5,100 dwellings (source: Statistics Denmark 2025)
Apartment buildings mainly in Frederikssund city — including social housing associations. Station-adjacent location provides stable demand.
What's typical?
- — 3–4 storeys in brick
- — District heating
- — Shared installations
Common weaknesses
- — Outdated plumbing and installations
- — Insufficient façade insulation
Typical costs
New kitchen (standard)
55,000–140,000 kr
Standard kitchen renovation including installation. . Source: Bolius
Do you need an architect?
Probably not necessary for:
- — Interior apartment renovation
Architect recommended or required for:
- — Façade renovations
- — Lift projects
Terraced house from 1970–1990
21% of homes in Frederikssund — approx. 4,700 dwellings (source: Statistics Denmark 2025)
Terraced houses in Frederikssund, Slangerup and Skibby. A popular family-friendly housing type with low vacancy. Many have potential for energy renovation.
What's typical?
- — Brick terraced houses in one storey
- — Pitched roof
- — District heating or individual heating
- — Garden and terrace
Common weaknesses
- — Insufficient insulation
- — Ageing windows
Typical costs
Loft and wall insulation
20,000–55,000 kr
Good profitability in Frederikssund with a strong property price trend. . Source: Bolius
Do you need an architect?
Probably not necessary for:
- — Interior renovation
- — Roof replacement
Architect recommended or required for:
- — Extensions and terrace canopies
Local conditions in Frederikssund.
local_fire_department Heating — Frederikssund Varmeværk + individual systems
Frederikssund city has district heating from Frederikssund Varmeværk. In Slangerup, Skibby and Jægerspris, natural gas and individual systems (heat pump, oil boiler) are typical. Many homeowners are in the process of converting to heat pumps.
account_balance Heritage value
Frederikssund Municipality has a number of heritage-listed buildings in Slangerup and near Jægerspris. Jægerspris Palace and its surroundings are listed. Check the listed buildings register for your property.
Look up your address at the Danish Heritage Agency's FBB register
assignment Building permit in Frederikssund
Apply for a building permit via Byg & Miljø on the Frederikssund Municipality website. Interior alterations to a single-family home are typically permit-free.
savings Grants for energy renovation
Subsidies for energy renovation and heat pump conversion are available via Sparenergi.dk.
Frederikssund in figures.
Data from Statistics Denmark (2025) and the Danish Heritage Agency — context for your property.
Dwellings total
3.6% vacancy rate
Listed buildings
Source: Danish Heritage Agency FBB
Social housing units
Source: Landsbyggefonden
CO₂ emissions by sector
Energy
104,242 tonnes CO₂
Transport
48,328 tonnes CO₂
Chemical processes
2,826 tonnes CO₂
Agriculture and land use
19,647 tonnes CO₂
Waste disposal and biogas
3,108 tonnes CO₂
Wastewater
832 tonnes CO₂
Frequently asked questions
about renovation in Frederikssund.
Yes — with 3.6% vacancy and an S-train connection to Copenhagen, Frederikssund is a stable housing market. The planned Vinge district and the station upgrade strengthen the long-term outlook.
Vinge is a planned new district in Frederikssund Municipality at Vinge Station (opened 2020). It is planned for up to 20,000 residents and is one of Zealand's largest urban development projects. The area is being gradually developed.
Frederikssund city has district heating. In Slangerup, Skibby and Jægerspris, natural gas and individual systems are typical. A heat pump is a good investment in these areas.
A new concrete tile roof typically costs 90,000–210,000 kr. North-west Zealand prices are slightly below Hillerød levels.
Extensions under 50 m² attached to a single-family home normally do not require a building permit, but must be notified and must comply with the local plan and building regulations. Check Frederikssund Municipality's guidance.
Next steps.
S-train and commuter life from Frederikssund
Frederikssund has a direct S-train to Copenhagen. What does this mean for the housing market?
assignmentBuilding permit in Frederikssund
What can you build without a permit, and what requires approval?
buildEnergy renovation of a detached house
Roof, windows and insulation — what is it worth in Frederikssund's housing market?
Tell us about your project in Frederikssund.
We help homeowners in Frederikssund prioritise renovation and get started — from the first assessment to completed project.
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