
Williamson Avenue, Belmont
Williamson Avenue in Belmont has 97 properties, valued by the council between $1,100,000 and $4,800,000 with a median of $1,725,000 (Belmont: $1,375,000). More of its homes were built in the 1950s than in any other decade. We estimate its homes at a median $1,615,000. 7 sold in the last twelve months, for a median $1,200,000. The highest sale in 2026 was 1/43 Williamson Avenue, at $1,585,000.
97 properties on Williamson Avenue, Belmont
























Highest and lowest on Williamson Avenue
Property values on Williamson Avenue
The council values Williamson Avenue's 84 rated properties between $1,100,000 and $4,800,000. The middle half sit between about $1,375,000 and $2,160,000; the median is $1,725,000 and the mean $1,835,417.
| Bedrooms | Homes | Median council value | Sold, last 12 months | Median sale |
|---|---|---|---|---|
| 1 | 1 | $2.1m | 0 | — |
| 2 | 2 | $1.76m | 1 | — |
| 3 | 18 | $1.43m | 2 | — |
| 4 | 47 | $1.8m | 4 | $1.16m |
| 5+ | 6 | $2.75m | 0 | — |
Council rating valuations: the council's figure for apportioning rates, not a market appraisal.
Williamson Avenue compared with Belmont
Williamson Avenue's median council value is 25% above Belmont's.
| Williamson Avenue | Belmont | Auckland | |
|---|---|---|---|
| Median council value | $1.73m | $1.38m | $1.07m |
| Median sale, last 12 months | $1.2m | $1.28m | $1.0m |
| Sold in the last 12 months | 6.2% | 3.2% | 3.6% |
| Time between sales | 4.8 yrs | 8.7 yrs | 8.9 yrs |
| Median section | 450 m² | 607 m² | 607 m² |
| Median year built | 1990 | 1960 | 1980 |
| Council value per m² of floor | $9k | $10k | $8k |
Williamson Avenue house prices over time
Median sale price by year; 2026 is the year so far. A year with fewer than two sales has no bar.
Sales by year as a table
| Year | Sales | Median price | Per m² floor |
|---|---|---|---|
| 2026 | 4 | $1,195,000 | $7,556 |
| 2025 | 4 | $1,475,000 | $7,789 |
| 2024 | 3 | $1,115,000 | $9,065 |
| 2023 | 10 | $1,492,500 | $9,001 |
| 2022 | 1 | $1,350,000 | $10,385 |
| 2021 | 9 | $1,600,000 | $9,739 |
| 2020 | 3 | $1,725,000 | $7,188 |
| 2019 | 1 | $1,626,000 | $14,139 |
| 2018 | 2 | $1,725,000 | $11,517 |
| 2017 | 5 | $2,199,000 | $7,884 |
| 2016 | 4 | $1,461,000 | $8,398 |
Recent sales on Williamson Avenue
- 5/16 Williamson Avenue$1,120,0009 Jul 2026 · 4 bed · 153 m² floor · 81 m² land
- 7/16 Williamson Avenue$1,100,0008 Jun 2026 · 4 bed · 156 m² floor · 81 m² land
- 1/33 Williamson Avenue$1,270,0005 Mar 2026 · 3 bed · 163 m² floor · 145 m² land
- 1/43 Williamson Avenue$1,585,0007 Jan 2026 · 3 bed · 160 m² floor
- 5/16 Williamson Avenue$1,200,00019 Dec 2025 · 4 bed · 153 m² floor · 81 m² land
- 2/14 Williamson Avenue$990,0005 Dec 2025 · 2 bed · 128 m² floor · 55 m² land
- 4/20 Williamson Avenue$1,990,0005 Dec 2025 · 4 bed · 232 m² floor · 218 m² land
- 1/20 Williamson Avenue$1,750,00021 Feb 2025 · 4 bed · 241 m² floor · 190 m² land
- 50 Williamson Avenue$1,100,0009 May 2024 · 199 m² floor · 444 m² land
- 1/14 Williamson Avenue$1,295,00025 Jan 2024 · 3 bed · 130 m² floor · 76 m² land
- 6/16 Williamson Avenue$1,115,00019 Jan 2024 · 123 m² floor · 63 m² land
- 48 Williamson Avenue$2,570,00014 Dec 2023 · 4 bed · 295 m² floor · 802 m² land
- 31 Williamson Avenue$1,445,0008 Dec 2023 · 4 bed · 220 m² floor · 523 m² land
- 8/14 Williamson Avenue$1,430,0007 Dec 2023 · 158 m² floor · 102 m² land
- 1/28 Williamson Avenue$1,495,00027 Nov 2023 · 3 bed · 167 m² floor
- 6/14 Williamson Avenue$1,200,00030 Oct 2023 · 125 m² floor · 63 m² land
- 8/16 Williamson Avenue$1,490,0008 Sept 2023 · 4 bed · 158 m² floor · 102 m² land
- 3/20 Williamson Avenue$1,800,00016 Aug 2023 · 232 m² floor · 183 m² land
- 50 Williamson Avenue$1,962,00013 Jul 2023 · 199 m² floor · 444 m² land
- 2/20 Williamson Avenue$1,755,0005 Jun 2023 · 4 bed · 232 m² floor · 183 m² land
The homes on Williamson Avenue
Williamson Avenue has 92 houses and 5 units and townhouses. More were built in the 1950s than in any other decade (38%).
How long owners stay on Williamson Avenue
Homes on Williamson Avenue that resold in the last five years had been held a median 4.8 years (Belmont: 8.7 years).
Time between a home's sales, for 14 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.
Building and resource consents on Williamson Avenue
- 42A Williamson Avenue1 Jun 2026 · Building consentRbw - new 7sqm area roof over an existing upper balcony & replace the related external doors & a window with windows in same openings. Install new extract fans to wet areas. Replace all floor cove
- 51 Williamson Avenue1 Jul 2025 · Building consentRemove existing fire & flue from chimney. Install new fire & flue into chimney (maxen Forbury 550).
- 51 Williamson Avenue1 Jul 2025 · Building consentRbw - alt is to change two flats, into one house that includes 3 bedrooms, 2 living rooms, 2 bathrooms, kitchen & laundry. Internal renovations include removal of existing wc & relocating to
- 51 Williamson Avenue1 Feb 2025 · Building consentRbw - alterations to internal load bearing walls to create larger kitchen.
- 50 Williamson Avenue1 Jan 2025 · Building consentRbw - new two storey dwg with four bedrooms, three bathrooms & attached gge. New retaining walls.
- 50 Williamson Avenue21 Jan 2025 · Resource consentNew dwelling alternative height in relation to boundary, vehicle crossing and front yard
- 13 Williamson Avenue3 Apr 2024 · Resource consentCONSTRUCTION OF SEVEN THREE STOREY MIXED USE TERRACES AND ASSOCIATED NINE LOT SUBDIVISION
- 13 Williamson Avenue3 Apr 2024 · Resource consentCONSTRUCTION OF SEVEN THREE STOREY MIXED USE TERRACES AND ASSOCIATED NINE LOT SUBDIVISION
- 19 Williamson Avenue3 Dec 2021 · Resource consentProposed new apartment buildings containing a total of 18 dwellings over 2 buildings.
Williamson Avenue in other suburbs
More streets in Belmont
- Lake Road210
- Eversleigh Road188
- Seacliffe Avenue83
- Corrella Road70
- Northboro Road70
- Egremont Street66
- Montgomery Avenue60
- Alamein Avenue52
- Bardia Street48
- Northumberland Avenue48
- Westwell Road45
- Coronation Street41
Every street in Belmont, 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.