Development applications in Tahmoor, NSW 2573

286 development applications were lodged for properties in Tahmoor from Oct 2025 to Sep 2026. What is being built, how much of it is housing, and where each application stands.

Latest council activity: 18 Sept 2026

Applications lodged

286

incl. 29 modifications

Decided

235

42 still in progress

New dwellings proposed

396

stated on applications

Declared construction value

$238.0M

across 251 applications

Applications lodged each month

Oct 2025 to Sep 2026. The latest month is month-to-date, and councils can publish applications a few weeks after lodgement.

24
Oct
19
Nov
21
Dec
17
Jan
26
Feb
18
Mar
32
Apr
30
May
35
Jun
29
Jul
22
Aug
13
Sep

What is being proposed

257 new applications by main type of work (modifications excluded).

New houses186
Pools, sheds, garages & decks32
Commercial, industrial & community11
Granny flats7
Subdivisions7
Alterations & additions5
Dual occupancy & semi-detached4
Apartments & townhouses2
Other & change of use2
Demolition only1

Where applications stand

Status of the 286 applications lodged in the last 12 months.

Approved: 0
Determined (outcome not stated): 235
Refused: 0
Withdrawn or not accepted: 9
In progress: 42

Many council records only say an application was "determined", without saying whether it was approved, so those are shown separately rather than counted as approvals.

Largest projects in the last 12 months

Ranked by dwellings proposed, then declared construction cost.

163-173 Remembrance Driveway
Demolition, Shop top housing, Seniors housing, Erection of a new structure, Medical centre, Health Infrastructure, Residential Accommodation
In progress
Apartments & townhouses · Lodged 29 July 2026 · 130 dwellings · $100M+
101 Remembrance Driveway
Demolition, Multi-dwelling housing, Subdivision, Erection of a new structure
In progress
Apartments & townhouses · Lodged 15 Sept 2026 · 8 dwellings · $1M–$5M
9 Wombat Hollow Terrace
Secondary dwelling, Dwelling house, Erection of a new structure
In progress
New houses · Lodged 16 Sept 2026 · 2 dwellings · $1M–$5M
63 Burton Drive
Dual occupancy, Erection of a new structure, Dual occupancy (attached)
In progress
Dual occupancy & semi-detached · Lodged 28 Apr 2026 · 2 dwellings · $500K–$1M
16 Waterson Circuit
Secondary dwelling, Dwelling house, Erection of a new structure
Determined
New houses · Lodged 6 Feb 2026 · 2 dwellings · $500K–$1M

Most recent applications

The 30 most recent applications lodged in Tahmoor, newest first. Costs are shown as bands.

3 Strathmore Lane
Secondary dwelling, Dwelling house, Erection of a new structure, Residential Accommodation
In progress
New houses · Lodged 18 Sept 2026 · 1 dwelling · $500K–$1M
11 Tahmoor Road
Erection of a new structure, Centre-based child care
In progress
Commercial, industrial & community · Lodged 17 Sept 2026 · $1M–$5M · Modification
12 Wombat Hollow Terrace
Shed, Erection of a new structure
In progress
Pools, sheds, garages & decks · Lodged 17 Sept 2026 · Under $100K
9 Wombat Hollow Terrace
Secondary dwelling, Dwelling house, Erection of a new structure
In progress
New houses · Lodged 16 Sept 2026 · 2 dwellings · $1M–$5M
101 Remembrance Driveway
Demolition, Multi-dwelling housing, Subdivision, Erection of a new structure
In progress
Apartments & townhouses · Lodged 15 Sept 2026 · 8 dwellings · $1M–$5M
29 Major Roberts Avenue
Shed, Dwelling house, Erection of a new structure, Residential Accommodation
In progress
New houses · Lodged 10 Sept 2026 · 1 dwelling · $500K–$1M
44 Waterson Circuit
Dwelling house, Erection of a new structure
In progress
New houses · Lodged 7 Sept 2026 · 1 dwelling · $100K–$500K
23 Leigham Holme Way
Secondary dwelling, Dwelling house, Erection of a new structure
In progress
New houses · Lodged 4 Sept 2026 · 2 dwellings · $100K–$500K
75 Boundary Road
Erection of a new structure, Farm stay accommodation
In progress
Commercial, industrial & community · Lodged 4 Sept 2026 · $500K–$1M
68 Castlereagh Street
Alterations or additions to an existing building or structure, Change of use of land or a building or the classification of a building…
In progress
Alterations & additions · Lodged 4 Sept 2026 · $1M–$5M
4 French Street
Secondary dwelling, Dwelling house, Erection of a new structure
Determined
New houses · Lodged 1 Sept 2026 · 2 dwellings · $500K–$1M
25 Bangalay Road
Secondary dwelling, Dwelling house, Erection of a new structure
In progress
New houses · Lodged 1 Sept 2026 · 1 dwelling · $500K–$1M
41 Waterson Circuit
Dwelling house, Erection of a new structure
Determined
New houses · Lodged 1 Sept 2026 · 1 dwelling · $500K–$1M
20 Rockford Road
Seniors housing, Independent living units, Alterations or additions to an existing building or structure
In progress
Alterations & additions · Lodged 28 Aug 2026 · Modification
35 Greenacre Drive
Dwelling house, Erection of a new structure, Swimming pool, Residential Accommodation
Determined
New houses · Lodged 27 Aug 2026 · 1 dwelling · $500K–$1M
146 Nattai Street
Erection of a new structure, Change of use of land or a building or the classification of a building under the Building Code of Australia…
In progress
Commercial, industrial & community · Lodged 27 Aug 2026 · Under $100K
110 Byron Road
Demolition, Erection of a new structure, Centre-based child care
In progress
Commercial, industrial & community · Lodged 27 Aug 2026 · $1M–$5M
14 Noonamena Road
Dwelling house, Erection of a new structure
Determined
New houses · Lodged 27 Aug 2026 · 1 dwelling · $500K–$1M
7 Klensendorlffe Street
Secondary dwelling, Attached dwelling, Dwelling house, Erection of a new structure, Residential Accommodation
In progress
New houses · Lodged 27 Aug 2026 · 2 dwellings · $500K–$1M
5 Potters Drive
Erection of a new structure, Light industry
In progress
Commercial, industrial & community · Lodged 27 Aug 2026 · $1M–$5M · Modification
46 Waterson Circuit
Dwelling house, Erection of a new structure
Determined
New houses · Lodged 26 Aug 2026 · 1 dwelling · $100K–$500K
2780 Remembrance Driveway
Erection of a new structure, Earthworks, retaining walls and structural support
In progress
Pools, sheds, garages & decks · Lodged 26 Aug 2026 · Under $100K
7 Travellers Way
Dwelling house, Erection of a new structure, Residential Accommodation
Determined
New houses · Lodged 24 Aug 2026 · 1 dwelling · $100K–$500K
14 Crispe Street
Secondary dwelling, Dwelling house, Erection of a new structure
Determined
New houses · Lodged 20 Aug 2026 · 2 dwellings · $100K–$500K
28 Dulcimere Street
Secondary dwelling, Dwelling house, Erection of a new structure, Residential Accommodation
Determined
New houses · Lodged 20 Aug 2026 · 1 dwelling · $500K–$1M
1 Byron Road
Dwelling house, Erection of a new structure, Residential Accommodation
Determined
New houses · Lodged 17 Aug 2026 · 1 dwelling · $500K–$1M
2 Klensendorlffe Street
Secondary dwelling, Dwelling house, Erection of a new structure, Residential Accommodation
Determined
New houses · Lodged 17 Aug 2026 · 2 dwellings · $500K–$1M
9 Basil Street
Dwelling house, Erection of a new structure
Determined
New houses · Lodged 14 Aug 2026 · 1 dwelling · $100K–$500K
15 Klensendorlffe Street
Dwelling house, Erection of a new structure, Residential Accommodation
Determined
New houses · Lodged 13 Aug 2026 · 1 dwelling · $100K–$500K
20 Sawmill Road
Secondary dwelling, Dwelling house, Erection of a new structure
Determined
New houses · Lodged 11 Aug 2026 · 1 dwelling · $100K–$500K

Application details as published by Wollondilly Shire Council. The council's own register is the authoritative record for any individual application.

Suburb profile

Tahmoor market data

Median prices, rental yield, growth, vacancy and properties for sale in Tahmoor.

Sales

Recently sold in Tahmoor

What buyers actually paid, days on market and recent sale prices in Tahmoor.

Development in Tahmoor: frequently asked questions

How many development applications were lodged in Tahmoor in the last 12 months?

286 development applications were lodged for properties in Tahmoor from Oct 2025 to Sep 2026. 29 were modifications to an earlier application. The busiest month was Jun 2026, with 35 applications.

What kind of development is happening in Tahmoor?

Of the new applications lodged in the last 12 months, the most common were new houses (186), pools, sheds, garages & decks (32), commercial, industrial & community (11).

How many new homes are proposed in Tahmoor?

Applications lodged in Tahmoor in the last 12 months propose 396 new dwellings, counting new houses, granny flats, dual occupancies, townhouses and apartments where the application states a dwelling count. Withdrawn applications and modifications are excluded.

How many development applications in Tahmoor have been decided?

Of the 286 applications lodged in the last 12 months, 235 have a decision (235 recorded as determined without the outcome stated), 42 are still in progress and 9 were withdrawn or not accepted.

Which council assesses development applications in Tahmoor?

Applications for Tahmoor are lodged with Wollondilly Shire Council. Its public register is the authoritative record for any individual application.