Property for Sale in District 3

Get new listing alerts for this search

Save search, get alertsStay ahead of new listings
Nearby listings within 2km

1356 Sale listings

3 Bed Condo for Sale in Normanton Park - Project Photos 0
image

16

floor-plan

1

  • S$ 1,890,000
  • S$ 2,091 psf
    • 3 Beds
    • 2 Baths
    • 904 sqft
    • Condo
    • Built: 2023
    • 99 yrs
CC 24
Kent Ridge MRT · 15 mins (1152m)
searchNear MRT Station
searchFamily Friendly
searchWell-Maintained
searchRare Unit Available
searchGreenery View
searchSwimming Pool
searchNear Bus Stop
searchGymnasium
searchTennis Court
searchBasketball Court
Agent for 3 Bed Condo for Sale in Normanton Park

Listed 1 week ago by

Dean Kam

Recommendedrecommended agent
3 Bed Condo for Sale in Marina One Residences - Project Photos 0
image

9

  • S$ 3,950,000
  • S$ 2,602 psf
    • 3 Beds
    • 3 Baths
    • 1,518 sqft
    • Condo
    • Built: 2018
    • 99 yrs
CE 2NS 27TE 20
Marina Bay MRT · 3 mins (164m)
searchNear MRT Station
searchSpacious Layout
searchWell-Maintained
searchDirect Owner Listing
searchCity View
searchPrime Location
searchNear CBD
searchFamily Oriented
searchUnblocked Sea View
searchMarina Bay Location
Agent for 3 Bed Condo for Sale in Marina One Residencespremium agent crown

Listed 1 week ago by

Jackie Lim

3 Bed Condo for Sale in D'leedon - Project Photos 0
image

10

floor-plan

1

  • S$ 3,500,000
  • S$ 2,098 psf
    • 3 Beds
    • 3 Baths
    • 1,668 sqft
    • Condo
    • Built: 2015
    • 99 yrs
CC 20
Farrer Road MRT · 7 mins (526m)
searchNear MRT Station
searchSpacious Layout
searchNear Primary School
searchRenovated Unit
searchBright And Airy
searchGreenery View
searchNear Hawker Centre
searchPool View
searchNear Mall
searchNear Botanic Gardens
Agent for 3 Bed Condo for Sale in D'leedonpremium agent crown

Listed 1 week ago by

Jackie Lim

6 Bed Condo for Sale in Marina Bay Residences - Project Photos 0
image

3

  • S$ 12,500,000
  • S$ 3,147 psf
    • 6 Beds
    • 8 Baths
    • 3,972 sqft
    • Condo
    • Built: 2010
    • 99 yrs
DT 17
Downtown MRT · 4 mins (251m)
searchNear MRT Station
searchNear Shopping Centre
searchWaterfront Living
searchNear CBD
searchNear Changi Airport
searchNear Expressway Exit
searchCity Skyline View
searchNear Gardens by the Bay
searchNear Marina Bay
searchNear Restaurants
Agent for 6 Bed Condo for Sale in Marina Bay Residencespremium agent crown

Listed 1 week ago by

GOH AIK WEI (WU YIWEI)

1 Bed Condo for Sale in Espada - Project Photos 0
image

11

  • S$ 1,168,000
  • S$ 2,584 psf
    • 1 Bed
    • 1 Bath
    • 452 sqft
    • Condo
    • Built: 2013
    • Freehold
NS 23
Somerset MRT · 5 mins (369m)
searchNear MRT Station
searchSpacious Layout
searchFreehold Property
searchHigh Rental Yield
searchNear Orchard Shopping Belt
searchInvestment-Friendly Unit
searchNear CBD
searchBalcony Unit
searchNear Expat Cluster
searchNear Restaurants
Agent for 1 Bed Condo for Sale in Espadapremium agent crown

Listed 1 week ago by

jackie tan

4 Bed Condo for Sale in Cairnhill Crest - Project Photos 0
image

9

floor-plan

1

  • S$ 5,300,000
  • S$ 2,010 psf
    • 4 Beds
    • 3 Baths
    • 2,637 sqft
    • Condo
    • Built: 2004
    • Freehold
NS 23
Somerset MRT · 8 mins (565m)
Agent for 4 Bed Condo for Sale in Cairnhill Crestpremium agent crown

Listed 1 week ago by

Frederick Foo

3 Bed Apartment (Condo) for Sale in Cavenagh Gardens - Project Photos 0
image

7

  • S$ 2,940,000
  • S$ 1,897 psf
    • 3 Beds
    • 3 Baths
    • 1,550 sqft
    • Apartment
    • Built: 1975
    • Freehold
NS 23
Somerset MRT · 7 mins (540m)
searchNear MRT Station
searchSpacious Layout
searchNear Primary School
searchFamily Friendly
searchRenovated Unit
searchBright And Airy
searchNear Orchard Shopping Belt
searchCentralised Location
Agent for 3 Bed Apartment (Condo) for Sale in Cavenagh Gardenspremium agent crown

Listed 1 week ago by

Jeremy Liew

5 Bed Semi-Detached House (Landed) for Sale in Shamrock Park - Project Photos 0
image

20

  • S$ 8,500,000
  • S$ 2,576 psf
    • 5 Beds
    • 4 Baths
    • 2,400 sqft
    • 3,300 sqft (Land)
    • Semi-Detached House
    • Built: 2008
    • Freehold
DT 7
Sixth Avenue MRT · 11 mins (816m)
searchNear MRT Station
searchNear Primary School
searchFamily Friendly
searchNear Shopping Centre
searchLanded House
searchSemi-Detached
searchGood Schools Nearby
searchWide Frontage
Agent for 5 Bed Semi-Detached House (Landed) for Sale in Shamrock Park

Listed 1 week ago by

Damian Tan

Recommendedrecommended agent
2 Bed Apartment (Condo) for Sale in Icon - Project Photos 0
image

12

  • S$ 1,980,000
  • S$ 1,897 psf
VIEW TO OFFER
    • 2 Beds
    • 2 Baths
    • 1,044 sqft
    • Apartment
    • Built: 2007
    • 99 yrs
EW 15
Tanjong Pagar MRT · 3 mins (195m)
searchNear MRT Station
searchWell-Maintained
searchNear Shopping Centre
searchInvestment Opportunity
searchSwimming Pool
searchNear Ntuc FairPrice
searchCity View
searchGymnasium
searchNear CBD
searchTennis Court
Agent for 2 Bed Apartment (Condo) for Sale in Iconpremium agent crown

Listed 1 week ago by

Silvia Yang

1 Bed Condo for Sale in D'leedon - Project Photos 0
image

6

  • S$ 1,349,999
  • S$ 2,126 psf
    • 1 Bed
    • 1 Bath
    • 635 sqft
    • Condo
    • Built: 2015
    • 99 yrs
CC 20
Farrer Road MRT · 6 mins (437m)
searchHigh Floor
searchNear MRT Station
searchWell-Maintained
searchBright And Airy
searchMove-In Condition
searchEfficient Layout
searchConvenient Location
searchNear Hawker Centre
searchQuiet Neighbourhood
searchNear Wet Market
Agent for 1 Bed Condo for Sale in D'leedon

Listed 1 week ago by

New Aik Keong

Recommendedrecommended agent
7 Bed Semi-Detached House (Landed) for Sale in Ban Guan Park - Project Photos 0
image

6

floor-plan

4

  • S$ 15,800,000
  • S$ 4,105 psf
    • 7 Beds
    • 8 Baths
    • 8,000 sqft
    • 3,849 sqft (Land)
    • Semi-Detached House
    • Built: 2021
    • Freehold
EW 22
Dover MRT · 20 mins (1541m)
Agent for 7 Bed Semi-Detached House (Landed) for Sale in Ban Guan Park

Listed 1 week ago by

Damian Tan

Recommendedrecommended agent
2 Bed Condo for Sale in Wilshire Residences - Project Photos 0
image

7

floor-plan

1

  • S$ 1,998,888
  • S$ 2,690 psf
    • 2 Beds
    • 2 Baths
    • 743 sqft
    • Condo
    • Built: 2024
    • Freehold
CC 20
Farrer Road MRT · 8 mins (566m)
searchNear MRT Station
searchNear Primary School
searchNear Shopping Centre
searchWell Connected Transport
searchNear Hawker Centre
searchBrand New Renovation
searchNear Holland Village
searchUnblock View
searchNear Botanic Gardens
searchNear Cafes
Agent for 2 Bed Condo for Sale in Wilshire Residencespremium agent crown

Listed 1 week ago by

GARY PEK

2 Bed Condo for Sale in One Draycott - Project Photos 0
image

16

floor-plan

1

  • S$ 3,100,000
  • S$ 4,235 psf
    • 2 Beds
    • 2 Baths
    • 732 sqft
    • Condo
    • Built: 2023
    • Freehold
NS 22TE 14
Orchard MRT · 9 mins (674m)
searchNear MRT Station
searchSpacious Layout
searchMove-In Ready
searchModern Interior
searchNear Orchard Shopping Belt
searchPrime Location
searchNear CBD
searchNear Botanic Gardens
searchNear Cafes
searchNear Restaurants
Agent for 2 Bed Condo for Sale in One Draycott

Listed 1 week ago by

Ann Marie Ee

Recommendedrecommended agent
2 Bed Apartment (Condo) for Sale in Newport Residences / Newport Tower - Project Photos 0
NEW LAUNCH
image

12

  • S$ 1,774,000
  • S$ 3,053 psf
    • 2 Beds
    • 2 Baths
    • 581 sqft
    • Apartment
    • Built: 2030
    • Freehold
CC 32
Prince Edward MRT · 4 mins (319m)
searchHigh Floor
searchNear MRT Station
searchFreehold Property
searchNew Launch
searchSea View
searchModern Interior
searchInvestment Opportunity
searchPrime Location
searchNear CBD
search24-Hour Security
Agent for 2 Bed Apartment (Condo) for Sale in Newport Residences / Newport Towerpremium agent crown

Listed 1 week ago by

AROS OSMAN (AROS)

2 Bed Condo for Sale in Normanton Park - Project Photos 0
image

20

  • S$ 1,470,000
  • S$ 2,204 psf
NEGO
    • 2 Beds
    • 1 Bath
    • 667 sqft
    • Condo
    • Built: 2023
    • 99 yrs
CC 24
Kent Ridge MRT · 15 mins (1152m)
searchCorner Unit
searchHigh Floor
searchNear MRT Station
searchNear Shopping Centre
searchSea View
searchEnclosed Kitchen
searchNear University
searchPark View
searchNear Expressway Exit
searchNear Hospital
Agent for 2 Bed Condo for Sale in Normanton Park

Listed 1 week ago by

Caleb Peh

Recommendedrecommended agent
1 Bed Condo for Sale in Marina One/ The Heart - Project Photos 0
image

18

floor-plan

2

  • S$ 1,680,000
  • S$ 2,199 psf
    • 1 Bed
    • 1 Bath
    • 764 sqft
    • Condo
DT 17
Downtown MRT · 3 mins (196m)
searchCorner Unit
searchHigh Floor
searchSpacious Layout
searchHigh Rental Yield
searchCity View
searchPrime Location
searchDirect MRT Access
searchNear CBD
Agent for 1 Bed Condo for Sale in Marina One/ The Heartpremium agent crown

Listed 1 week ago by

Joy Toh

6 Bed Bungalow (Landed) for Sale in Maryland Estate - Project Photos 0
image

17

floor-plan

3

  • S$ 80,000,000
  • S$ 3,837 psf
    • 6 Beds
    • 6 Baths
    • 18,000 sqft
    • 20,850 sqft (Land)
    • Bungalow
    • Built: 2002
    • 937 yrs
EW 22
Dover MRT · 16 mins (1280m)
searchRenovated Unit
searchRare Unit Available
searchLanded House
searchModern Interior
searchQuiet Neighbourhood
searchGymnasium
searchExcellent Privacy
searchLap Pool
searchHome Theatre
searchGood Class Bungalow
Agent for 6 Bed Bungalow (Landed) for Sale in Maryland Estatepremium agent crown

Listed 1 week ago by

Amy Zeng 房姐姐

2 Bed Condo for Sale in Leedon Green - Project Photos 0
image

13

  • S$ 2,190,000
  • S$ 3,085 psf
    • 2 Beds
    • 2 Baths
    • 710 sqft
    • Condo
    • Built: 2024
    • Freehold
CC 20
Farrer Road MRT · 8 mins (631m)
searchSpacious Layout
searchNear Primary School
searchNew Listing
searchWell Connected Transport
searchGreenery View
searchQuiet Neighbourhood
searchBrand New Renovation
searchQuality Fittings
Agent for 2 Bed Condo for Sale in Leedon Green

Listed 1 week ago by

Norman Koh

Recommendedrecommended agent
2 Bed Condo for Sale in D'leedon - Project Photos 0
image

9

  • S$ 2,180,000
  • S$ 2,026 psf
    • 2 Beds
    • 2 Baths
    • 1,076 sqft
    • Condo
    • Built: 2015
    • 99 yrs
CC 20
Farrer Road MRT · 5 mins (344m)
searchNear MRT Station
searchNear Primary School
searchFamily Friendly
searchNear Bus Stop
searchNear Secondary School
searchPrime Location
searchNear Park
searchNear International School
searchWell-Connected Transport
searchPlayground
Agent for 2 Bed Condo for Sale in D'leedon

Listed 1 week ago by

Henry Lim

Recommendedrecommended agent
1 Bed Condo for Sale in Marina One Residences - Project Photos 0
image

19

  • S$ 1,450,000
  • S$ 2,139 psf
    • 1 Bed
    • 1 Bath
    • 678 sqft
    • Condo
    • Built: 2018
    • 99 yrs
CE 2NS 27TE 20
Marina Bay MRT · 3 mins (166m)
searchWell-Maintained
searchEfficient Layout
searchSea View
searchDirect MRT Access
searchPark View
searchNear CBD
searchCity Skyline View
searchIconic Landmark
searchLuxury Development
searchIntegrated Development
Agent for 1 Bed Condo for Sale in Marina One Residences

Listed 1 week ago by

Gilda Seah

Recommendedrecommended agent
5 Bed Condo for Sale in Alba - Project Photos 0
image

10

floor-plan

1

  • S$ 28,888,888
  • S$ 4,488 psf
    • 5 Beds
    • 6 Baths
    • 6,437 sqft
    • Condo
    • Built: 2015
    • Freehold
DT 11NS 21
Newton MRT · 8 mins (598m)
Agent for 5 Bed Condo for Sale in Albapremium agent crown

Listed 1 week ago by

Julius Fock

1 Bed Condo for Sale in The Sail @ Marina Bay - Project Photos 0
image

11

  • S$ 1,225,000
  • S$ 1,865 psf
    • 1 Bed
    • 1 Bath
    • 657 sqft
    • Condo
    • Built: 2008
    • 99 yrs
DT 17
Downtown MRT · 2 mins (155m)
searchCorner Unit
searchHigh Floor
searchNear MRT Station
searchBright And Airy
searchSea View
searchModern Interior
searchCity View
searchNear CBD
searchEasy CBD Access
searchNear Marina Bay
Agent for 1 Bed Condo for Sale in The Sail @ Marina Bay

Listed 1 week ago by

Cassandra Lim

Recommendedrecommended agent
5 Bed Bungalow (Landed) for Sale in Leedon Park - Project Photos 0
image

12

  • S$ 42,000,000
  • S$ 2,780 psf
    • 5 Beds
    • 6 Baths
    • 8,000 sqft
    • 15,110 sqft (Land)
    • Bungalow
CC 21
Holland Village MRT · 7 mins (497m)
searchSpacious Layout
searchRare Unit Available
searchLanded House
searchModern Interior
searchQuiet Environment
searchInvestment Opportunity
searchGood Schools Nearby
searchLong Term Stay Preferred
searchFamily Oriented
searchFreehold Tenure
Agent for 5 Bed Bungalow (Landed) for Sale in Leedon Parkpremium agent crown

Listed 1 week ago by

Pearl Tan

4 Bed Condo for Sale in Park Nova - Project Photos 0
image

20

  • S$ 15,500,000
  • S$ 5,334 psf
    • 4 Beds
    • 4 Baths
    • 2,906 sqft
    • Condo
    • Built: 2024
    • Freehold
TE 13
Orchard Boulevard MRT · 3 mins (234m)
searchHigh Floor
searchSpacious Layout
searchFreehold Property
searchEfficient Layout
searchNear Orchard Shopping Belt
searchPrime Location
searchPrivate Lift
searchNear International School
searchNear Botanic Gardens
searchNear Dempsey Hill
Agent for 4 Bed Condo for Sale in Park Nova

Listed 1 week ago by

Elaine Goh

Recommendedrecommended agent
4 Bed Condo for Sale in Ardmore Park - Project Photos 0
image

16

floor-plan

1

  • S$ 13,300,000
  • S$ 4,610 psf
    • 4 Beds
    • 6 Baths
    • 2,885 sqft
    • Condo
    • Built: 2001
    • Freehold
NS 22TE 14
Orchard MRT · 9 mins (675m)
searchNear MRT Station
searchSpacious Layout
searchRenovated Unit
searchGreenery View
searchCity View
searchPrivate Lift
searchNear International School
searchNear Botanic Gardens
searchFreehold
searchNear Orchard
Agent for 4 Bed Condo for Sale in Ardmore Park

Listed 1 week ago by

Elaine Goh

Recommendedrecommended agent
3 Bed Condo for Sale in The Light @ Cairnhill - Project Photos 0
image

4

floor-plan

2

  • S$ 4,800,000
  • S$ 2,895 psf
NEGO
    • 3 Beds
    • 4 Baths
    • 1,658 sqft
    • Condo
    • Built: 2004
    • Freehold
NS 23
Somerset MRT · 9 mins (660m)
searchNear Primary School
searchFamily Friendly
searchRenovated Unit
searchCentral Location
searchModern Interior
searchNear Orchard Shopping Belt
searchPrime Location
searchQuality Fittings
Agent for 3 Bed Condo for Sale in The Light @ Cairnhill

Listed 1 week ago by

Adrian Chay 謝立誠

Recommendedrecommended agent
5 Bed Bungalow (Landed) for Sale in Jalan Ampang - Project Photos 0
image

20

  • S$ 15,288,000
  • S$ 2,164 psf
    • 5 Beds
    • 4 Baths
    • 3,500 sqft
    • 7,065 sqft (Land)
    • Bungalow
searchNear MRT Station
searchSpacious Layout
searchNear Primary School
searchFreehold Property
searchFamily Friendly
searchNear Shopping Centre
searchLanded House
searchSemi-Detached
searchGood Schools Nearby
Agent for 5 Bed Bungalow (Landed) for Sale in Jalan Ampang

Listed 1 week ago by

Damian Tan

Recommendedrecommended agent
3 Room (3I) HDB for Sale in 3 Queen's Road - Project Photos 0
image

16

floor-plan

1

  • S$ 560,000
  • S$ 685 psf
    • 2 Beds
    • 1 Bath
    • 818 sqft
    • HDB 3 Rooms
    • Built: 1974
    • 99 yrs
CC 20
Farrer Road MRT · 2 mins (107m)
Agent for 3 Room (3I) HDB for Sale in 3 Queen's Road

Listed 1 week ago by

Ming Yao Lin

Recommendedrecommended agent
2 Bed Condo for Sale in Jervois Privé - Project Photos 0
image

18

floor-plan

2

  • S$ 2,541,000
  • S$ 3,149 psf
    • 2 Beds
    • 2 Baths
    • 807 sqft
    • Condo
    • Built: 2023
    • Freehold
EW 18
Redhill MRT · 8 mins (601m)
searchSpacious Layout
searchFreehold Property
searchNear Orchard Shopping Belt
searchNear Botanic Gardens
searchRoof Terrace
searchBasement Parking
searchLuxurious Fittings
searchTranquil Environment
Agent for 2 Bed Condo for Sale in Jervois Privépremium agent crown

Listed 1 week ago by

Wong Kai Sun

2 Bed Condo for Sale in Jervois Privé - Project Photos 0
image

18

floor-plan

2

  • S$ 2,268,000
  • S$ 3,292 psf
    • 2 Beds
    • 2 Baths
    • 689 sqft
    • Condo
    • Built: 2023
    • Freehold
EW 18
Redhill MRT · 8 mins (601m)
searchSpacious Layout
searchFreehold Property
searchBright And Airy
searchNear Orchard Shopping Belt
searchNear Botanic Gardens
searchRooftop Terrace
searchBasement Parking
searchLuxurious Fittings
searchCo-Broke Welcome
Agent for 2 Bed Condo for Sale in Jervois Privépremium agent crown

Listed 1 week ago by

Wong Kai Sun

2 Bed Condo for Sale in Jervois Privé - Project Photos 0
image

15

floor-plan

2

  • S$ 2,261,000
  • S$ 3,089 psf
    • 2 Beds
    • 2 Baths
    • 732 sqft
    • Condo
    • Built: 2023
    • Freehold
EW 18
Redhill MRT · 8 mins (601m)
searchSpacious Layout
searchFreehold Property
searchBright And Airy
searchNear Mall
searchNear Botanic Gardens
searchRoof Terrace
searchBasement Parking
searchLuxurious Fittings
Agent for 2 Bed Condo for Sale in Jervois Privépremium agent crown

Listed 1 week ago by

Wong Kai Sun

3+1 Bed Condo for Sale in Jervois Privé - Project Photos 0
image

18

floor-plan

2

  • S$ 4,415,000
  • S$ 3,179 psf
    • 3+1 Beds
    • 3 Baths
    • 1,389 sqft
    • Condo
    • Built: 2023
    • Freehold
EW 18
Redhill MRT · 8 mins (601m)
searchSpacious Layout
searchFreehold Property
searchBright And Airy
searchModern Interior
searchQuiet Neighbourhood
searchBrand New Renovation
searchNear Orchard Shopping Belt
searchDirect MRT Access
searchCentralised Location
searchNear Botanic Gardens
Agent for 3+1 Bed Condo for Sale in Jervois Privépremium agent crown

Listed 1 week ago by

Wong Kai Sun

4 Bed Condo for Sale in The Grange - Project Photos 0
image

12

floor-plan

1

  • S$ 6,000,000
  • S$ 2,617 psf
    • 4 Beds
    • 4 Baths
    • 2,293 sqft
    • Condo
    • Built: 2008
    • Freehold
TE 13
Orchard Boulevard MRT · 2 mins (121m)
searchNear MRT Station
searchSpacious Layout
searchFamily Friendly
searchNear Shopping Centre
searchCentral Location
searchModern Interior
searchNear Mall
searchNear Orchard Shopping Belt
searchPrime Location
searchQuality Fittings
Agent for 4 Bed Condo for Sale in The Grangepremium agent crown

Listed 1 week ago by

GINA TNG

7 Bed Bungalow (Landed) for Sale in Duchess Garden - Project Photos 0
image

8

floor-plan

4

  • S$ 19,800,000
  • S$ 4,566 psf
    • 7 Beds
    • 8 Baths
    • 9,346 sqft
    • 4,336 sqft (Land)
    • Bungalow
    • Built: 1975
    • 999 yrs
DT 8
Tan Kah Kee MRT · 7 mins (500m)
searchNear MRT Station
searchSpacious Layout
searchNear Primary School
searchNew Launch
searchPool View
searchLift Access
searchNear Botanic Gardens
searchCovered Parking
searchDetached House
searchAttic
Agent for 7 Bed Bungalow (Landed) for Sale in Duchess Garden

Listed 1 week ago by

Damian Tan

Recommendedrecommended agent
4 Bed Condo for Sale in Midtown Modern - Project Photos 0
image

20

  • S$ 5,999,999
  • S$ 3,319 psf
    • 4 Beds
    • 4 Baths
    • 1,808 sqft
    • Condo
    • Built: 2024
    • 99 yrs
DT 14EW 12
Bugis MRT · 3 mins (214m)
searchNear MRT Station
searchSpacious Layout
searchFamily Friendly
searchNear Shopping Centre
searchCentral Location
searchModern Interior
searchSwimming Pool
searchPrime Location
searchNear CBD
searchTennis Court
Agent for 4 Bed Condo for Sale in Midtown Modern

Listed 1 week ago by

Vevien Ong

Recommendedrecommended agent
4 Bed Bungalow (Landed) for Sale in Leedon Park - Project Photos 0
image

19

  • S$ 42,000,000
  • S$ 2,781 psf
    • 4 Beds
    • 6 Baths
    • 10,000 sqft
    • 15,100 sqft (Land)
    • Bungalow
CC 21
Holland Village MRT · 7 mins (497m)
searchSpacious Layout
searchNear Shopping Centre
searchLanded House
searchModern Interior
searchHigh Ceiling
searchNear Holland Village
searchBungalow
searchPrestigious Location
searchGarden Access
Agent for 4 Bed Bungalow (Landed) for Sale in Leedon Park

Listed 1 week ago by

Stephanie Yong

Recommendedrecommended agent