Renovation of your home in Koege.
Køge Municipality is one of Zealand's fastest-growing municipalities — strategically located on Køge Bay with an S-train to Copenhagen in 42 minutes and ferry connections to Bornholm. Køge is not merely a commuter town: the municipality has a strong market town with a well-preserved medieval town centre, a vibrant cultural life and an ambitious urban development plan for Køge Nord.
Koege in brief — context for your renovation.
train42 minutes to Copenhagen
The S-train to Copenhagen Central in 42 minutes gives Køge a solid commuter base. The Køge Bay Motorway is the alternative for drivers. The close connection to Greater Copenhagen pushes property prices up — and gives particularly good profitability on renovation investments.
location_cityHistoric market town with growing Køge Nord
Køge city has a well-preserved medieval town centre with heritage buildings. Køge Nord is a new urban development area attracting many new residents. The municipality is growing and the housing market is active.
homeBalanced housing market with low vacancy
With 3.8% vacancy, Køge is one of Zealand's healthiest housing markets. Detached houses make up 44% of the housing stock, but apartments are almost as large. It is a market with high turnover and good profitability on renovation.
Your housing type.
Detached house from 1960–1990
44% of homes in Koege — approx. 12,900 dwellings (source: Statistics Denmark 2025)
Detached houses in Køge and the many villages. The typical home is a brick villa from the 1960s–80s. With Greater Copenhagen's price pressure and 3.8% vacancy, Køge is an excellent market for renovation investments — almost everything pays off here.
What's typical?
- — Brick exterior walls
- — Pitched roof with concrete tiles
- — District heating (town) or heat pump
- — Garden of 600–1,000 m²
- — Garage or carport
Common weaknesses
- — Insufficient insulation in older houses
- — Worn roof covering from the 1970s
- — Outdated bathroom
- — Insufficient insulation in basement
Typical costs
New concrete tile roof
90,000–220,000 kr
Zealand pricing close to Greater Copenhagen levels — proximity to Copenhagen pushes prices up. Good tradespeople are in demand — get quotes early. . Source: Bolius
Energy windows (per window)
4,500–9,000 kr
Installed energy window. Zealand pricing. . Source: Bolius
Extension (per m²)
18,000–30,000 kr/m²
Turnkey extension. Zealand pricing close to Greater Copenhagen. . Source: Bolius
Do you need an architect?
Probably not necessary for:
- — Roof replacement using the same material
- — Interior renovation
- — Extension under 50 m²
Architect recommended or required for:
- — Extension over 50 m²
- — Façade alterations
- — Comprehensive renovation
Apartment building from 1960–1980
33% of homes in Koege — approx. 9,600 dwellings (source: Statistics Denmark 2025)
Apartment buildings in Køge city and Ølby. Many social housing units in this category. Connected to Køge Fjernvarme. The market is active and renovation investments pay off well.
What's typical?
- — 3–5 storeys in brick
- — Køge Fjernvarme
- — Shared installations
Common weaknesses
- — Worn flat roofs
- — Outdated plumbing and drainage stacks
- — Insufficient insulation
Typical costs
Façade renovation with insulation
1,500–2,800 kr/m²
Including new surface finish. Zealand pricing. . Source: Bolius
Do you need an architect?
Probably not necessary for:
- — Interior apartment renovation
Architect recommended or required for:
- — Façade renovations
- — Roof renovations
Terraced house from 1970–1990
21% of homes in Koege — approx. 6,160 dwellings (source: Statistics Denmark 2025)
Terraced houses in Køge and the surrounding towns. Good standard with energy improvement potential.
What's typical?
- — Brick terraced houses in one to one-and-a-half storeys
- — Pitched roof
- — District heating or individual heating
Common weaknesses
- — Insufficient insulation
- — Ageing windows
Typical costs
Energy renovation of terraced house
200,000–420,000 kr
Roof, windows and insulation. Zealand pricing. . Source: Bolius
Do you need an architect?
Probably not necessary for:
- — Interior renovation
Architect recommended or required for:
- — Extensions and façade alterations
Local conditions in Koege.
local_fire_department District heating — Køge Fjernvarme
Køge Fjernvarme (koegefjernvarme.dk) supplies CO₂-neutral heat from biomass via Vestegnens Kraftvarmeselskab. The network is being expanded — most recently in Køge Nord. District heating is part of the municipality's green transition.
account_balance Heritage value
Køge city has one of Zealand's best-preserved medieval town centres with listed and heritage buildings. Homes in the historic town centre may have restrictions on façade changes and window replacement. Always contact the municipality before external changes.
Look up your address at the Danish Heritage Agency's FBB register
assignment Building permit in Koege
Apply for a building permit via Byg & Miljø. Interior alterations normally do not require a building permit. Façade changes in heritage areas require approval.
savings Grants for energy renovation
Subsidies for energy renovation are available via Sparenergi.dk. Køge Fjernvarme provides information on connection in new development areas.
Koege in figures.
Data from Statistics Denmark (2025) and the Danish Heritage Agency — context for your property.
Dwellings total
3.8% vacancy rate
Listed buildings
Source: Danish Heritage Agency FBB
Social housing units
Source: Landsbyggefonden
CO₂ emissions by sector
Energy
170,603 tonnes CO₂
Transport
160,502 tonnes CO₂
Chemical processes
3,827 tonnes CO₂
Agriculture and land use
32,679 tonnes CO₂
Waste disposal and biogas
4,773 tonnes CO₂
Wastewater
1,667 tonnes CO₂
Frequently asked questions
about renovation in Koege.
Yes — with 3.8% vacancy and an S-train to Copenhagen in 42 minutes, Køge is one of Zealand's healthiest housing markets. Renovation investments are almost always profitable in this market.
Yes, Køge Fjernvarme (koegefjernvarme.dk) supplies CO₂-neutral heat from biomass. The network is being continuously expanded in Køge Nord and new development areas.
Approximately 10–15% lower than central Greater Copenhagen. But still above Jutland. With Køge's property prices, profitability is good — close to Greater Copenhagen levels.
Køge city has a medieval town centre with many heritage buildings. Façade changes, windows and roof materials may require municipal approval. Contact the municipality before starting.
Køge Nord is a large urban development area with homes, workplaces and new metro-like light rail connections under planning. It attracts new residents and supports property prices across the entire municipality.
Next steps.
Køge Fjernvarme — CO₂-neutral biomass
Green district heating for Køge — the network is being expanded.
assignmentBuilding permit in Køge
What can you do without a permit, and what requires approval?
buildComprehensive renovation in Køge
Plan your renovation properly in one of Zealand's best housing markets.
Tell us about your project in Koege.
We help homeowners in Koege prioritise renovation and get started — from the first assessment to completed project.
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