"These are still fantastic long term value, " said mortgage broker Simon Tyler.

BBC: HSBC pulls ultra-low 2.99%, five-year, mortgage deal

But any property broker in New York would be fired for equating tax assessments with market value.

FORBES: Follow-Through

Seattle-based broker Dean Jones, with Realogics Sotheby's International Realty, says a bad name erodes value.

WSJ: A House by Any Other Name

Sanjeev Prasad at Kotak, a broker, says that the recent results season saw a host of firms booking losses as the value in rupees of their foreign debts rose.

ECONOMIST: What the mini-run on the rupee says about India

In a BPO a real estate broker, not an appraiser, uses their familiarity with the local market to estimate a property's value.

FORBES