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Thompson St, Mosman NSW 2088

Street

Street Summary

Thompson St, Mosman NSW 2088 sits above the suburb's house median. It carries collector-road traffic with a 50km/h limit. 2 homes sit above the street; 21 homes sit level with the street; 2 homes sit below the street. 15 homes are heritage-listed, 3 are in a flood overlay, and 23 are recommended for a flood check. 3 homes are in a bushfire zone. The street is 78.8% house and 21.2% apartment. One apartment project, 4 Thompson St, has 6 lots across 4 levels built in 1977. House turnover is 34.6% over 5 years.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the Thompson St, Mosman NSW 2088 property market.

Houses vs Apartments33 total lots
78.8%
21.2%
Houses (78.8%)
Apartments (21.2%)
Townhouses/Villas/Unclassified (0%)

Street Class & Speed Limit

The road classification and posted speed limit along Thompson St, Mosman NSW 2088. Road class and speed limit can each vary from section to section; the dominant setting along the street is shown here.

Dominant road class & speed limitCOLLECTOR ROAD · 50 km/h100% of properties front this section

PART 2
Houses

"Houses" in this report includes detached houses, duplexes, and terraces.

Land Topography

How house lots on Thompson St, Mosman NSW 2088 sit relative to street level — topography that affects drainage, flood risk, privacy, and build cost. Statistics are calculated from properties with available data.

High-side vs low-side house lots
High-sideFlatLow-side
2 lots
21 lots
2 lots
High-side (1m above)
Flat
Low-side (1m below)

Risks &Overlays

See which key planning overlays and environmental risks affect this street before you buy.

Heritage
15 houses affected
Bushfire
3 houses affected
Flood
3 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on Thompson St, Mosman NSW 2088 over the past 5 years, plotted against the Mosman NSW 2088 median house price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$5.0M$10.0M$15.0M$20.0MOct 21June 23Feb 25Oct 26$4.9M · 2022$5.3M · 2023$5.9M · 2024$5.7M · 2025$5.2M · 2026$6.9M · 2023-11-18 · 32 THOMPSON ST, MOSMAN NSW 2088$5.8M · 2023-04-04 · 30 THOMPSON ST, MOSMAN NSW 2088$7.2M · 2025-02-11 · 30 THOMPSON ST, MOSMAN NSW 2088$6.9M · 2023-08-31 · 22 THOMPSON ST, MOSMAN NSW 2088$13.4M · 2024-07-27 · 2 THOMPSON ST, MOSMAN NSW 2088$10M · 2022-09-21 · 17 THOMPSON ST, MOSMAN NSW 2088$13.3M · 2023-11-17 · 16 THOMPSON ST, MOSMAN NSW 2088$19M · 2022-05-16 · 13 THOMPSON ST, MOSMAN NSW 2088$10.6M · 2025-02-12 · 5 THOMPSON ST, MOSMAN NSW 2088
Street price+52%vs suburb median
Turnover rate34.6%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Thompson St, Mosman NSW 2088 over the past 5 years, plotted against the Mosman NSW 2088 median apartment price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$1.3M$2.5M$3.8M$5.0MOct 21June 23Feb 25Oct 26$1.1M · 2022$1.2M · 2023$1.3M · 2024$1.3M · 2025$1.3M · 2026$2M · 2024-09-03 · 6/4 THOMPSON ST, MOSMAN NSW 2088
Apartment sales0Past 12 months
Turnover rate14.3%Past 5 years

Largest Apartment Projects

The largest apartment projects on Thompson St, Mosman NSW 2088, ranked by number of lots.

1
4 THOMPSON ST, MOSMAN NSW 2088Small project (<20 lots)

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Living in Thompson St, Mosman NSW 2088 : Street Profile & FAQs

Common questions about living on and buying property on Thompson St, Mosman NSW 2088 — lifestyle, transport, and the local housing market.

Note: Data is sourced from the Australian Bureau of Statistics (ABS) 2021 Census data and knest.ai internal statistical data.

Is Thompson St an expensive or affordable street relative to Mosman?

House prices on Thompson St are 52.05% above the Mosman suburb house median, indicating a premium position for detached homes. This ratio reflects recent house sales on the street relative to the broader suburb average. Buyers should note that this metric applies only to houses, not apartments. To gauge current market positioning, compare recent sales of individual homes on the street against nearby comparable properties.

What are the risk and overlay factors on Thompson St?

There are 3 properties in a bushfire zone, 15 are heritage-listed or in a heritage conservation area, and 3 fall within a flood overlay. Additionally, 23 properties are recommended for a flood check, while 0 have other flood classifications. High-voltage powerline proximity affects 0 homes. Heritage listings may restrict renovations and exterior changes, requiring council approval. Flood overlays and recommended checks warrant reviewing council mapping, flood reports, and insurance costs before purchasing.

Are properties on Thompson St mostly on high, level or low ground?

2 homes sit above the street, 21 homes sit level with the street, and 2 homes sit below the street. The street features a mixed profile of site heights relative to the road. Different site heights can influence site characteristics, but specific outcomes like views or drainage depend on the individual property. Buyers should assess the specific property rather than relying on the street average.

What type of road is Thompson St?

Thompson St is a collector road with a 50 km/h speed limit, and 100% of the residential properties front this section. Collector roads generally connect local streets with larger roads, which may carry more through traffic than local streets. Buyers should consider that this classification can influence traffic flow and noise levels compared to quieter local roads.

Is Thompson St mostly houses or apartments?

Thompson St has 33 residential properties, with 78.8% being houses and 21.2% being apartments. The street is predominantly houses. This mix indicates a residential character where detached homes and terraces form the majority of the stock. Apartments make up a smaller portion of the residential landscape on this street.

What are the major apartment developments on Thompson St?

The major apartment development is 4 Thompson St, Mosman, which contains 6 lots across 4 levels and was built in 1977. This development contributes to the street's apartment presence and higher-density residential character. It represents the primary multi-unit offering on the street.

How many properties have sold on Thompson St?

0 houses and 0 apartments have sold in the past 12 months. The 5-year turnover rate is 34.6% for houses and 14.3% for apartments. Turnover measures the proportion of properties that changed ownership during the past five years. This indicates how frequently the existing stock has changed hands over the last five years.

Is Thompson St a good street to buy property on?

Thompson St may suit buyers looking for detached houses in a collector road setting with a premium price position relative to the suburb. It also offers a smaller selection of apartments within established developments. Buyers should consider the heritage overlays and flood assessments as trade-offs. The street aligns with those who prefer a mix of housing types on a connecting road rather than a quiet local street.