Renovation of your home in Toender.
Tønder is a historic South Jutland border municipality with a rich cultural heritage and a unique picture of Danish and German culture side by side. The municipality stretches from the Wadden Sea in the west to the South Jutland hills in the east. It is a quiet housing market with West Jutland price levels — good for first-time buyers and those who prioritise space and nature.
Toender in brief — context for your renovation.
foundationThe Wadden Sea and UNESCO
Tønder Municipality borders the Wadden Sea — a UNESCO World Heritage Site. This shapes the municipality's identity and attracts tourists and nature lovers. The marsh landscape and the Schleswig fjords are unique natural assets.
music_noteTønder Festival and cultural life
Tønder Festival is one of Northern Europe's most important folk music festivals with over 25,000 visitors in August. The festival culture and the rich cultural heritage of the border region give Tønder a distinct identity.
homeBorder municipality with high vacancy
67% of homes are detached houses and farmhouses. With 14.3% vacancy, there is a relatively loose housing market. Prices are low, but investing in energy renovation is profitable as heating savings are substantial.
Your housing type.
Detached house and farmhouse from 1960–1990
67% of homes in Toender — approx. 13,900 dwellings (source: Statistics Denmark 2025)
Detached houses and farmhouses dominate strongly. The typical home is from the 1960s–80s in brick. Prices are among the lowest in Denmark — but energy renovations are solid investments as they significantly reduce running costs.
What's typical?
- — Brick exterior walls
- — Pitched roof with concrete tiles
- — District heating (Tønder town) or oil/heat pump (rural)
- — Garden 700–1,500 m²
- — Garage
Common weaknesses
- — Insufficient insulation in older houses
- — Worn roof covering
- — Outdated bathroom
- — Oil boiler in rural properties
Typical costs
New concrete tile roof
75,000–165,000 kr
South Jutland prices are 10–15% below the national average. Local competition keeps prices down. . Source: Bolius
Energy windows (per window)
3,800–7,500 kr
Installed energy window. South Jutland prices. . Source: Bolius
New bathroom
75,000–185,000 kr
Full renovation including plumbing. Below the national average. . Source: Bolius
Loft insulation
13,000–35,000 kr
Loose fill or mineral wool. Quickly recouped through heating savings. . Source: Bolius
Do you need an architect?
Probably not necessary for:
- — Roof replacement with same material
- — Extension under 50 m²
- — Interior renovation
Architect recommended or required for:
- — Extension over 50 m²
- — Facade changes
- — Conversion to heat pump
Flat from 1960–1980
16% of homes in Toender — approx. 3,200 dwellings (source: Statistics Denmark 2025)
Multi-storey buildings primarily in Tønder and Bredebro. A number are social housing. District heating in the towns.
What's typical?
- — 3–4 storeys in brick
- — District heating
- — Shared installations
Common weaknesses
- — Outdated plumbing
- — Insufficient insulation
Typical costs
Do you need an architect?
Probably not necessary for:
- — Interior flat renovation
Architect recommended or required for:
- — Facade renovations
- — Roof renovations
Terraced house from 1970–1990
13% of homes in Toender — approx. 2,700 dwellings (source: Statistics Denmark 2025)
Terraced houses in Tønder town and the larger villages. Brick-built in one storey.
What's typical?
- — Brick terraced houses
- — Pitched roof
- — District heating or heat pump
Common weaknesses
- — Insufficient insulation
- — Older windows
Typical costs
Energy renovation terraced house
160,000–340,000 kr
Roof, windows and insulation. South Jutland prices. . Source: Bolius
Do you need an architect?
Probably not necessary for:
- — Interior renovation
Architect recommended or required for:
- — Extension and facade changes
Local conditions in Toender.
local_fire_department Heating — Tønder Fjernvarme
Tønder town has district heating. In the many rural areas, oil boilers and heat pumps are dominant. Converting from oil to a heat pump is especially relevant here and can be subsidised via Sparenergi.dk.
account_balance Heritage value
Tønder has a rich historic town centre with listed and heritage-rated buildings from the medieval and baroque periods. If you live in the historic part, special rules apply for facades, windows and roof materials.
Look up your address at the Danish Heritage Agency's FBB register
assignment Building permit in Toender
Apply for a building permit via Byg & Miljø. Special rules for new construction apply in Wadden Sea protection zones.
savings Grants for energy renovation
Grants for energy renovation via Sparenergi.dk. Converting from an oil boiler to a heat pump qualifies for particularly generous grants.
Toender in figures.
Data from Statistics Denmark (2025) and the Danish Heritage Agency — context for your property.
Dwellings total
14.3% vacancy rate
Listed buildings
Source: Danish Heritage Agency FBB
Social housing units
Source: Landsbyggefonden
CO₂ emissions by sector
Energy
112,069 tonnes CO₂
Transport
49,837 tonnes CO₂
Chemical processes
2,260 tonnes CO₂
Agriculture and land use
758,133 tonnes CO₂
Waste disposal and biogas
8,454 tonnes CO₂
Wastewater
993 tonnes CO₂
Frequently asked questions
about renovation in Toender.
With approximately 14% vacancy, the market is subdued. Energy renovations are clearly profitable — they significantly reduce running costs. Avoid over-investing in luxury renovation in a low-price market.
Tønder town has district heating. In rural areas, oil and heat pumps dominate. Converting from oil to a heat pump qualifies for good grants via Sparenergi.dk.
South Jutland prices are 10–15% below the national average. This gives good economics for renovations. Get 3 quotes from local tradespeople.
Yes — Tønder has listed buildings and heritage conservation neighbourhoods from the medieval and baroque periods. Always check the municipality's local plan and contact Tønder Municipality before changes to facades, roofs or windows.
Energy improvements are key: retrofit insulation, energy windows and switching from an oil boiler to a heat pump. This reduces running costs and qualifies for grants from Sparenergi.dk.
Next steps.
Switch from oil to heat pump
Grants and process for switching to green heat in a South Jutland house.
assignmentBuilding permits in Tønder
What can you do without a permit — and what requires approval?
foundationHeritage-rated buildings
What applies if your property has a heritage value rating?
Tell us about your project in Toender.
We help homeowners in Toender prioritise renovation and get started — from the first assessment to completed project.
Start your dream here