Student digs for £4,000 a week, plus the chance to snap up Harry Potter's home

The townhouse at 80 Park Lane, London, is being marketed as the ultimate in student accommodation. Photograph: Grant Frazer

Hello and welcome to this week’s Money Talks – a roundup of the week’s biggest stories and some things you may have missed.

Money news

Rising London house prices spark departure of thirtysomethings

First-time buyers must wait seven years longer for home in south-east England

Mortgage approvals fall as Brexit vote appears to subdue housing market

Price comparison sites face review by competition watchdog

BMW to shut final-salary pensions of 5,000 staff in Britain

Record numbers left homeless after eviction by private landlords in England

Feature

The £4,000 a week student flat where Fresh Meat meets Monopoly

One of the three bedrooms in the 80 Park Lane townhouse. Photograph: Grant Frazer

In pictures

Harry Potter and the estate agent’s board

12 Picket Post Close, better known as 4 Privet Drive, is on the market for £475,000. Photograph: Chancellors

In the spotlight

Researchers say we need to retrain for retirement in order to be ready for life after work. We look at ways in which those in their 50s might look to prepare.

Enjoy the trip … retirement can be a cruise. Photograph: Tim Graham/Robert Harding/Rex

Consumer champions

Nationwide won’t let me transfer a 10% mortgage

StubHub breached ASA’s code – but nothing has changed

Audi refuses to pay out for longstanding design flaw

Money deals

If you need to send money overseas, you can get free online transfers, competitive exchange rates and expert advice from Moneycorp.

Save time and money with Guardian annual travel insurance, provided by Voyager, including 21 days of winter sports cover.