What are the most expensive sales transactions in Yishun Street 41?

For the HDB blocks at Yishun Street 41, here are some insights into the recent sale transactions:

- At 453 Yishun Street 41, the most expensive sale transactions in the last 12 months have ranged up to around S$ 618,000 for 4-room flats.

- For 457 Yishun Street 41, while specific recent transaction details are not provided, listings indicate prices can go up to around S$ 643,000 for units in this block.

These figures reflect the upper end of the sale prices for these HDB units in Yishun Street 41.