The 2000s Buy-to-Let Boom
Between 2000 and 2007, the UK experienced a massive Buy-to-Let boom fueled by interest-only mortgages, rising house prices, and self-certification loans.
The period from the early 2000s leading up to the 2008 financial crash saw unprecedented growth in the UK property market, heavily driven by amateur Buy-to-Let investors. The combination of the Assured Shorthold Tenancy (which made eviction easy) and the availability of specific BTL mortgages created a perfect storm.
Lenders became increasingly aggressive, offering 85% or even 90% Loan-to-Value (LTV) interest-only mortgages. The introduction of 'self-certification' (self-cert) mortgages allowed borrowers to state their income without providing proof, funneling massive amounts of credit into the market.
The Crash and Reform
Investors relied entirely on capital appreciation, often operating with negative monthly cash flow. When the credit crunch hit in 2008, the market seized up, leading to the demise of major specialized lenders like Bradford & Bingley. Post-crash regulations subsequently banned self-cert mortgages and tightened BTL lending criteria significantly.