Mannerheimintie 54
| Location of the site | on a map |
| Area | Western area / Töölö |
| Building type | Apartment building |
| Year of completion | 1937 |
| Renovation | 1990-91 |
| Apartments | Support housing |
| Residential buildings | 1 |
| Floors | 6 |
| Stairwells | 1 |
| Shared sauna | In the basement |
| Laundry facilities | In the basement |
| Drying room | In the basement |
| Social room | - |
| Civil defence shelter | - |
| Storage space | In the basement |
| Pram/pushchair storage | - |
| Outdoor sport equipment storage | - |
| Lift | Yes |
| Parking facilities | - |
| Water | Included in the rent |
| TV | DNA (cable) |
| Internet | DNA 25 M broadband included in the rent |
| Property maintenance | Until 31 August 2026 Sol Kiinteistöpalvelut Oy, from 1 September 2026 Kotikatu Taka-Töölö |
| Cleaning | Until 31 August 2026 Luotea Oyj, from 1 September 2026 Kotikatu |
| Garden area maintenance | Until 31 August 2026 Vihertaiturit Ky, from 1 September 2026 Kotikatu |
| Property manager | Erja Adler |
| Technical manager | Petri Kivimäki |
| Rescue plan | Site-specific rescue plan |
