| | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | Δ 18-23 |
| Dwellings in Single-Family Houses (Detached / Semi-Detached / Terraced) |
| completion: number of new dwellings | 85 | 49 | 193 | 23 | 62 | 22 | 38 | 44 | 64 |
| planning permission: number of new dwellings | 139 | 81 | 80 | 56 | 40 | 32 | 87 | 37 | 55 |
| planning permission surplus | 54 | 32 | -113 | 33 | -22 | 10 | 49 | -7 | -8 |
| Dwellings in Multi-Family Houses |
| completion: number of new dwellings | 224 | 171 | 636 | 455 | 603 | 282 | 200 | 71 | 375 |
| planning permission: number of new dwellings | 505 | 625 | 721 | 378 | 356 | 131 | 126 | 215 | 321 |
| planning permission surplus | 281 | 454 | 85 | -77 | -247 | -151 | -74 | 144 | -53 |
RIWIS Online: Flensburg
