Harry At 30 (ITV, 8pm)

MOST of us aren't wild about Harry, but those without anything worth watching on saved shows may well be tempted into catching this tribute to the Prince, who turns 30 on September 15. Prince Henry of Wales, to give him his official title, has grown up in front of the cameras, and while there may be some photographs he'd rather forget, he's gone on to become one of the most popular members of the royal family.

The documentary follows his path from mischievous youngster to royal soldier and, although we’re unlikely to hear too much from the man himself, there will be Ingrid Seward of Majesty Magazine, and the Evening Standard's royal editor Robert Jobson to offer plenty of tittle-tattle.

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"I remember once he had a pop at me because I'd written a story about him. But I quite admire him for that, he will stand up for his position he won't just smooth it over – he will say what he wants to say and then that will be it," says Jobson.

We’ll relive the moment he lost his mother in 1997, when he was still 13. Former press officer to the Queen, Dickie Arbiter, talks about the devastating impact of her death, and the programme also explores how Harry has found his own way to continue her legacy by working with disadvantaged children and issues around HIV and Aids in Africa, and helping to set up the charity Sentebale.

Former army chief Lord Richard Dannatt talks about the difficulties involved in sending an heir to the throne to a combat zone in 2007, while press photographer John Stillwell remembers how the prince defied the cynics.

"Other photographers before I went were all saying to me exactly the same thing – Harry will be in Camp Bastion in a 30ft deep bunker, he won't even see daylight, and it wasn't like that at all. It was probably the worst conditions that I've seen. It was a bombed out college on the front line," says Lord Dannatt.

Injured former servicemen Ben McBean and Jaco Van Gass also talk about Harry's desire to be treated like any other soldier, and there's a look at his latest project, The Invictus Games, a brand new Olympic-style event for wounded soldiers.

Having been spoofed on TV so badly, we now know that Harry is one of most eligible bachelors on the planet. OK magazine's royal editor Chrissie Reeves, journalist and writer Celia Walden and Harry's friend Joss Stone speculate on the woman who could convince the prince to take a leaf out of his brother William's book and settle down.

£100K House: Tricks of the Trade (BBC2, 8pm)

JOURNALIST and senior V&A curator Kieran Long and architect Piers Taylor started last year with The House that £100k Built, which followed the progress of six first-time self-builders. This time, the duo will meet people who are already homeowners, but feel trapped because inflated house prices mean they can't afford to move. Long will help them by offering inspiration architectural ideas from the V&A's archive, while Taylor takes a more practical approach. He will use his skills to remodel places on a tight budget and using innovative plans. Just don't mention MDF.

Gems TV (ITV, Regions Vary)

THE jewellery empire created by Steve and Sarah Bennet, who employ their son, aunties, in-laws and cousins, involves a TV channel broadcasting to Europe and North America 24 hours a day, every day. Viewers are entertained by a variety of presenters who mix sales patter and jokes to encourage them to call in and buy the items on screen. Everything is at a bargain price thanks to the Bennets' business method of dealing with mines directly. Now, the £100m business is facing a crisis involving its most popular gem, a blue stone from Tanzania, and has problems in finding suitable presenters.