Home / Compare agents / Huttons Asia / Tan Siew Lee (Diana)
77
AGENTSCORE
Strong

Tan Siew Lee (Diana)

Huttons Asia property agent in Bishan · CEA R011841B
34 transactions18% in Bishan68% condo & apartmentBishan/ Ang Mo Kio
Ranked on CEA dataUpdated Aug 2026
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Your AgentScore is 77, Diana. Sellers can already see it.

In the 30 days to 27 Aug 2026, members of the public opened 1,457 different Singapore agents' CEA records here, 1,304 of those arrivals straight from Google. 6 of those agents had claimed their page. The other 1,451 were spoken for by a page they have never seen.

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22 deals a year is the top tenth of the market.

5median12top 25%22top 10%56top 1%

Deals per agent over the last 12 months, from the CEA register.

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The record at a glance

Strong track record in Bishan.

On 34 CEA-recorded transactions, Tan Siew Lee (Diana) carries a strong AgentScore of 77/100. Sales make up 53% of that record, almost all of them new project launches rather than resale homes; 2 deals were seller-side resale, which is the closest thing on record to selling someone's existing home. Their sales concentrate in condo and apartment property, over roughly 7 years of recorded activity.

Synthesised from Diana's CEA transaction record. Full breakdown below.

Verified track record

18
Recorded sales
2
Seller-side resales
0
Sales logged on FairComparisons

Seller-side resales are the deals where this agent represented an owner selling an existing home, which is the closest match to hiring them to sell yours. Recorded sales include new project launches, where the seller is the developer. 16 rental transactions are also on record. Counted from official CEA salesperson records. No sales have been logged on FairComparisons yet; this fills in as the record grows.

Deal breakdown

Diana's 34 CEA-recorded transactions at a glance.

34DEALS
Rental (whole)16 (47%)
New sale15 (44%)
Resale3 (9%)
Seller · 9 (50%)Buyer · 9
Which side of a sale they usually represent
Landlord · 9 (56%)Tenant · 7
Which side of a rental they usually represent

Activity over time

Diana's recorded CEA transactions by year, sales and rentals.

1
2019
7
2020
5
2021
2
2022
4
2023
9
2024
4
2025
2
2026
Sales Rentals
Where Diana ranksTop 41%

Ranked by AgentScore across all scored CEA agents in Singapore, ahead of about 59% of them. Based on 34 recorded transactions.

Performance overview

Based on 34 CEA transactions recorded to date.

Property mix
Condo & apartment
68%
HDB
21%
Landed
6%
EC
6%
Represents
Buyer
26%
Seller
26%
Landlord
26%
Tenant
21%

Where Diana is most active

Bishan/ Ang Mo Kio
6
Upper Bukit Timah/ Clementi Park/ Ulu Pandan
6
Upper Thomson/ Springleaf
5
Pasir Panjang/ Hong Leong Garden/ Clementi New Town
3
Macpherson/ Braddell
2

Transaction record

Every deal below is from the CEA salesperson public register. No price or address is published in this record. Verify Diana's current CEA registration ↗

9
Sales representing the seller
9
Sales representing the buyer
16
Rental transactions

Selling a home? Diana represented the seller in 9 of 18 recorded sales, alongside 16 rental deals.

Last recorded deal · Mar 2026
DateTypeActing forPropertyArea
Mar 2026Whole RentalLandlordHDBSengkang
Feb 2026Whole RentalLandlordHDBSengkang
Aug 2025New SaleSellerCondoUpper Thomson/ Springleaf
Aug 2025New SaleBuyerCondoOrchard/ Cairnhill/ River Valley
Jun 2025Whole RentalTenantCondoUpper Bukit Timah/ Clementi Park/ Ulu Pandan
Mar 2025New SaleSellerCondoUpper Thomson/ Springleaf
Nov 2024Whole RentalTenantHDBGeylang
Nov 2024ResaleBuyerCondoUpper Bukit Timah/ Clementi Park/ Ulu Pandan
Show 26 more recorded transactions
DateTypeActing forPropertyArea
Aug 2024Whole RentalLandlordCondoBishan/ Ang Mo Kio
Jun 2024Whole RentalTenantHDBGeylang
Apr 2024Whole RentalLandlordCondoBishan/ Ang Mo Kio
Mar 2024Whole RentalLandlordHDBSengkang
Mar 2024Whole RentalTenantCondoGeylang/ Eunos
Mar 2024New SaleSellerCondoUpper Thomson/ Springleaf
Feb 2024New SaleBuyerCondoPasir Panjang/ Hong Leong Garden/ Clementi New Town
Jul 2023New SaleBuyerCondoUpper Thomson/ Springleaf
Jul 2023New SaleBuyerCondoUpper Thomson/ Springleaf
May 2023Whole RentalTenantCondoUpper Bukit Timah/ Clementi Park/ Ulu Pandan
Apr 2023Whole RentalTenantCondoMacpherson/ Braddell
Jun 2022New SaleSellerCondoMacpherson/ Braddell
May 2022Whole RentalLandlordCondoBishan/ Ang Mo Kio
Aug 2021New SaleSellerCondoYishun/ Sembawang
Jul 2021Whole RentalLandlordCondoBishan/ Ang Mo Kio
Jun 2021Whole RentalTenantLandedUpper Bukit Timah/ Clementi Park/ Ulu Pandan
Apr 2021New SaleBuyerCondoSerangoon Garden/ Hougang/ Punggol
Jan 2021New SaleBuyerCondoTelok Blangah/ Harbourfront
Dec 2020New SaleSellerCondoUpper Bukit Timah/ Clementi Park/ Ulu Pandan
Dec 2020New SaleSellerCondoUpper Bukit Timah/ Clementi Park/ Ulu Pandan
Sep 2020ResaleSellerHDBAng Mo Kio
Aug 2020Whole RentalLandlordCondoBishan/ Ang Mo Kio
Mar 2020New SaleBuyerECPasir Panjang/ Hong Leong Garden/ Clementi New Town
Feb 2020Whole RentalLandlordLandedBishan/ Ang Mo Kio
Feb 2020New SaleBuyerECPasir Panjang/ Hong Leong Garden/ Clementi New Town
May 2019ResaleSellerHDBChoa Chu Kang

This record reflects transactions in the public CEA register. Off-market deals and very recent transactions may not appear yet, and government data is published with a lag. Spotted an error? Report it and we will check it against the source.

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Is this Diana?

This profile is compiled from public CEA, URA and HDB transaction records. If a figure looks wrong, we will check it against the source and correct verified errors. You can also claim the profile to add context, or ask us to remove it.

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Quick answers

About Tan Siew Lee (Diana), from the record.

Is Tan Siew Lee (Diana) a CEA-registered property agent?

Yes. Tan Siew Lee (Diana) is registered with the Council for Estate Agencies under registration number R011841B, currently with Huttons Asia. You can verify this on the CEA Public Register.

How many property transactions does Tan Siew Lee (Diana) have on record?

34 transactions are attributed to Tan Siew Lee (Diana) in CEA's public transaction records. The full breakdown by property type, transaction type and side is shown on this page.

What is Tan Siew Lee (Diana)'s AgentScore?

77/100. AgentScore is computed by FairComparisons from public CEA, URA and HDB records, weighing transaction volume, recent activity, market diversity and experience. Rankings cannot be bought or edited by any agent.

Which area is Tan Siew Lee (Diana) most active in?

Bishan, based on the location of Tan Siew Lee (Diana)'s recorded transactions.

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