Street viewNot listedCastleton Street in Birkdale has 76 properties, valued by the council between $570,000 and $1,375,000 with a median of $1,000,000 (Birkdale: $990,000). Most of its homes were built in the 1970s. We estimate its homes at a median $974,000. 3 sold in the last twelve months, for a median $1,240,000. The highest sale in 2026 was 50A Castleton Street, at $1,353,000.
Street viewNot listed
AerialNot listed
Street viewNot listedThe council values Castleton Street's 75 rated properties between $570,000 and $1,375,000. The middle half sit between about $969,000 and $1,065,000; the median is $1,000,000 and the mean $1,010,933.
| Bedrooms | Homes | Median council value | Sold, last 12 months | Median sale |
|---|---|---|---|---|
| 2 | 5 | $860k | 0 | — |
| 3 | 45 | $1.0m | 2 | — |
| 4 | 10 | $1.07m | 0 | — |
| 5+ | 6 | $1.19m | 0 | — |
Council rating valuations: the council's figure for apportioning rates, not a market appraisal.
Castleton Street's median council value is about the same as Birkdale's.
| Castleton Street | Birkdale | Auckland | |
|---|---|---|---|
| Median council value | $1.0m | $990k | $1.07m |
| Median sale, last 12 months | $1.24m | $940k | $1.0m |
| Sold in the last 12 months | 3.9% | 4.2% | 3.6% |
| Time between sales | 8.3 yrs | 8.7 yrs | 8.9 yrs |
| Median section | 647 m² | 675 m² | 607 m² |
| Median year built | 1970 | 1970 | 1980 |
| Council value per m² of floor | $8k | $9k | $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 | 1 | $1,353,000 | $6,013 |
| 2025 | 10 | $975,000 | $7,535 |
| 2024 | 4 | $1,020,000 | $7,578 |
| 2023 | 3 | $851,000 | $9,880 |
| 2022 | 2 | $960,000 | $8,107 |
| 2021 | 11 | $1,310,000 | $9,444 |
| 2020 | 3 | $1,020,500 | $6,630 |
| 2019 | 4 | $789,750 | $5,072 |
| 2018 | 1 | $792,500 | $6,096 |
| 2017 | 6 | $820,500 | $6,366 |
| 2016 | 2 | $895,000 | $5,675 |
Castleton Street has 74 houses and 2 units and townhouses. Most were built in the 1970s (67%).
Homes on Castleton Street that resold in the last five years had been held a median 8.3 years (Birkdale: 8.7 years).
Time between a home's sales, for 17 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 Birkdale, 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.