97 properties · Belmont, Auckland

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.

$1.73mmedian council valuation
$1.61mour median estimate
$1.2mmedian sale, last 12 months · 7 sales
1990median year built
AucklandBelmont ×Williamson Avenue ×

97 properties on Williamson Avenue, Belmont

Highest and lowest on Williamson Avenue

Highest-valued home44 Williamson Avenue$4,800,000council valuation · 5 bed · 334 m² floor · 2,345 m² land
Lowest-valued home2/14 Williamson Avenue$1,100,000council valuation · 2 bed · 128 m² floor · 55 m² land
Highest sale in 20261/43 Williamson Avenue$1,585,000sold 7 Jan 2026 · 3 bed · 160 m² floor

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.

Lowest: $1.1m$1.1mLowest10%: $1.3m20%: $1.35m20%30%: $1.4m40%: $1.57m40%Median: $1.73m60%: $1.82m60%70%: $2.0m80%: $2.32m80%90%: $2.63mHighest: $4.8m$4.8mHighest
BedroomsHomesMedian council valueSold, last 12 monthsMedian sale
11$2.1m0—
22$1.76m1—
318$1.43m2—
447$1.8m4$1.16m
5+6$2.75m0—

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 AvenueBelmontAuckland
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 months6.2%3.2%3.6%
Time between sales4.8 yrs8.7 yrs8.9 yrs
Median section450 m²607 m²607 m²
Median year built199019601980
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.

2016: $1.46m (4 sales)$1.46m20162017: $2.2m (5 sales)$2.2m2018: $1.73m (2 sales)20182019: too few sales to say (1 sale)2020: $1.73m (3 sales)20202021: $1.6m (9 sales)2022: too few sales to say (1 sale)20222023: $1.49m (10 sales)2024: $1.11m (3 sales)20242025: $1.48m (4 sales)2026: $1.2m (4 sales, this year so far)$1.2m2026
Sales by year as a table
YearSalesMedian pricePer m² floor
20264$1,195,000$7,556
20254$1,475,000$7,789
20243$1,115,000$9,065
202310$1,492,500$9,001
20221$1,350,000$10,385
20219$1,600,000$9,739
20203$1,725,000$7,188
20191$1,626,000$14,139
20182$1,725,000$11,517
20175$2,199,000$7,884
20164$1,461,000$8,398

Recent sales on Williamson Avenue

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%).

1870s: 1 (1 home)11870s1950s: 31 (31 homes)311950s1970s: 1 (1 home)1970s1980s: 2 (2 homes)1980s1990s: 7 (7 homes)1990s2000s: 11 (11 homes)2000s2020s: 28 (28 homes)282020s

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

9building consents in the last 5 years
4resource consents in the last 5 years
  • 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

Sales and valuations as at 11 September 2026, from council and LINZ records. Medians resting on fewer than 3 sales are not shown.