| average extension cost per m2 uk 2023 | 1.99 | 0.2 | 6582 | 37 | 97 |
| cost per m2 extension uk | 0.74 | 0.6 | 6875 | 24 | 12 |
| average cost per m2 extension | 1.6 | 0.4 | 6472 | 29 | 52 |
| extension prices per m2 2023 | 1.33 | 0.8 | 8491 | 28 | 10 |
| cost of extension per m2 | 1.58 | 0.7 | 6302 | 24 | 3 |
| extension cost calculator uk 2023 | 0.7 | 1 | 252 | 33 | 71 |
| house extension cost per m2 uk | 0.22 | 0.1 | 8336 | 30 | 59 |
| extension costs uk 2023 | 1.39 | 1 | 3043 | 23 | 49 |
| extension prices per m2 | 1.79 | 0.8 | 4043 | 23 | 21 |
| extension costs per square metre 2023 | 1.93 | 0.3 | 4029 | 37 | 9 |
| cost of extensions uk 2023 | 1.7 | 0.8 | 1936 | 26 | 29 |
| price per m2 for extension | 0.19 | 0.9 | 5812 | 26 | 97 |
| how much is an extension per m2 | 1.86 | 0.7 | 3832 | 31 | 3 |
| extension build costs per m2 uk | 0.17 | 0.8 | 9999 | 31 | 46 |
| cost of extensions calculator 2023 | 1.42 | 0.7 | 4093 | 34 | 34 |
