Even the best case London market that you refer to is depreciating in real terms.
From the guardian.co.uk
The market is depreciating the currency, so no need for the government to do that.
From the economist.com
The original comment was funny, self-depreciating and a tiny bit disappointed.
From the guardian.co.uk
These days, pity the ex-spouse who gets the depreciating manse as part of the deal.
From the forbes.com
Since 2000, Zimbabwe's currency has been depreciating against major currency.
From the edition.cnn.com
Banks will be sitting on tons of depreciating Gilt and once again be underfinanced.
From the economist.com
The depreciating dollar is proving no deterrent to demand for U.S. financial assets.
From the bloomberg.com
I've got to stop being so self-depreciating because people are starting to believe it.
From the post-gazette.com
Everyone who purchases a Treasury bond is purchasing a depreciating asset.
From the infowars.com
More examples
Deprecate: belittle; "The teacher should not deprecate his student's efforts"
Lower the value of something; "The Fed depreciated the dollar once again"
(depreciation) a decrease in price or value; "depreciation of the dollar against the yen"
(depreciation) disparagement: a communication that belittles somebody or something
Depreciation refers to two very different but related concepts: a) decline in value of assets, and b) allocation of the cost of tangible assets to periods in which the assets are used. The former affects values of businesses and entities. The latter affects net income. ...
(Depreciation (currency)) Currency depreciation is the loss of value of a country's currency with respect to one or more foreign reference currencies, typically in a floating exchange rate system. ...
To reduce in value over time; To belittle
(depreciation) The state of being depreciated; The decline in value of assets; The measurement of the decline in value of assets. Not to be confused with impairment, which is the measurement of the unplanned, extraordinary decline in value of assets
(Depreciation) The natural decline in property value due to market forces or depletion of resources.