
Castlebane Drive in Flat Bush has 87 properties, valued by the council between $730,000 and $2,025,000 with a median of $1,575,000 (Flat Bush: $1,325,000). Most of its homes were built in the 2010s. We estimate its homes at a median $1,500,000. 6 sold in the last twelve months, for a median $1,650,000. The highest sale in 2026 was 18 Castlebane Drive, at $1,750,000.
























The council values Castlebane Drive's 81 rated properties between $730,000 and $2,025,000. The middle half sit between about $1,350,000 and $1,650,000; the median is $1,575,000 and the mean $1,439,877.
| Bedrooms | Homes | Median council value | Sold, last 12 months | Median sale |
|---|---|---|---|---|
| 2 | 5 | $1.63m | 1 | — |
| 4 | 6 | $1.39m | 0 | — |
| 5+ | 44 | $1.6m | 2 | — |
Council rating valuations: the council's figure for apportioning rates, not a market appraisal.
Castlebane Drive's median council value is 19% above Flat Bush's.
| Castlebane Drive | Flat Bush | Auckland | |
|---|---|---|---|
| Median council value | $1.57m | $1.32m | $1.07m |
| Median sale, last 12 months | $1.65m | $1.28m | $1.0m |
| Sold in the last 12 months | 6.9% | 4.4% | 3.6% |
| Time between sales | 3.5 yrs | 5.7 yrs | 8.9 yrs |
| Median section | 409 m² | 405 m² | 607 m² |
| Median year built | 2010 | 2010 | 1980 |
| Council value per m² of floor | $5k | $6k | $8k |
Median sale price by year; 2026 is the year so far. A year with fewer than two sales has no bar.
| Year | Sales | Median price | Per m² floor |
|---|---|---|---|
| 2026 | 4 | $1,640,000 | $5,309 |
| 2025 | 4 | $1,654,000 | $5,300 |
| 2024 | 9 | $1,660,000 | $5,118 |
| 2023 | 1 | $740,000 | $2,450 |
| 2022 | 2 | $1,440,000 | $7,350 |
| 2021 | 14 | $1,197,500 | $5,031 |
| 2020 | 11 | $1,345,000 | $4,177 |
| 2019 | 7 | $1,485,000 | $4,458 |
| 2018 | 3 | $1,205,000 | $4,211 |
| 2016 | 14 | $790,178 | $2,344 |
Castlebane Drive has 71 houses and 16 sections. Most were built in the 2010s (58%).
Homes on Castlebane Drive that resold in the last five years had been held a median 3.5 years (Flat Bush: 5.7 years).
Time between a home's sales, for 12 resales in the last five years. A home not sold since our records begin is not counted, so owners who stay longest are under-represented.
Every street in Flat Bush, and the suburb's house prices and sales.
Sales and valuations as at 11 September 2026, from council and LINZ records. Medians resting on fewer than 3 sales are not shown.