Knowing what price to ask for your property can be a daunting task, but our top tips will help to get your home sold. We asked some leading estate agents - with decades of experience between them - what advice they would give to people seeking to achieve the right price for their home.

The flats start from £625,000 for a one bedroom flat and include original features from the 19th century, such as glazed brick walls. Corbeled cast iron columns and timber sleeper beams help to create an industrial feel.

You may be under the impression that it's impossible to buy a property for £50,000 given the average British house price is four times that amount, but it can still be done. We've found five houses that cost less than £50,000, such as the property pictured in Bishop Auckland, which could be bought on 95% mortgage with a £2,500 deposit and a £10,500 salary.

If you are after a holiday home with a twist, this takes some beating. The classic boat dates back to 1913 and is moored in the French capital Paris with views of the Pont Neuf bridge and the Louvre museum. It boasts a mahongany interior with a 16m living area that includes a kitchen and skylights.

With its stone turrets and black cannons, this Welsh castle looks as though it was built centuries ago. But the reality is that it was only built 22 years old and includes hidden stair cases, state-of-the-art invisible wall speakers and an electronic triple garage.

It's an exclusive offer for a multi-millionaire after their own 21st century country house. This architect designed state-of-the-art home will come with stunning views and is set in Ashridge, among ancient trees and rolling chalk hills. But the new owner needs to knock down the existing 1970s bungalow, near Berkhamsted, in Hertfordshire, and replace it with this stunning contemporary home.

Most first-time buyers can only dream of buying a home for less than £50,000. But the latest winner of an annual design competition shows that building one for that can be achieved. The Modulhus won over judges including Grand Design's Kevin McCloud and fellow TV property expert George Clarke. Designed by architects Barton Willmore and EcoMotive, it is a two-bedroom home covering 66 sq m and costs from just £49,644 to build.

The 18 bedroom castle is on the market through estate agents Sotheby's for £3million and includes a library, billard room and a wine cellar, along with 20 acres of land. Some of the furniture is being sold with the property, with individual items open to separate negotiation

For a mere £30million, you can become the owner of this grand property in the exclusive London enclave of Belgravia. It comes with not one, but two, separate mews houses for use as staff accommodation, as well as a wine store, vault, several terraces, and space for two cars. The elegant Georgian home in Wilton Crescent is within a stone's throw of Hyde Park and Buckingham Palace Gardens.

The public toilets were knocked down and replaced with two semi-detached homes, each costing almost £70,000 more than that average price of a home in Britain. The developer reportedly found needles, drug packages, vermin and asbestos on the site.

Everyone loves a good Grand Design - something that has helped to make it one of the most popular property shows on TV. Yet after pouring everything into designing and building their perfect homes, some owners have decided to move on, with three Grand Designs currently on the market. The owners of a seven-bedroom castle in Yorkshire (left), left the owners 'exhausted and scarily remortgaged up to the hilt', according to the show's presenter Kevin McCloud (inset). The purchase and redesign cost around £900,000 and the house is on sale for £1,650,000. A four-bedroom 'doughnut-shaped' property in Milton Keynes (top right), which was built in a couple's back garden for £400,000, is currently on the market for £1million. The couple behind the build, Peter Berkin and his wife Chard, were at odds at the end of the project. 'Peter is going to be happy here,' said Mrs Berkin, before adding: 'It has been positive because I am still here with him.' Meanwhile a six-bedroom house in Newport (bottom right) is on sale for £1,795,000 with the owners refusing to be drawn on how much they had spent on the build.

A tranquil corner of Hampshire has been named as offering residents the best quality of life in the UK for an impressive fifth year in a row. Residents earn well above the average salary in Hart, Hampshire, and are the healthiest in the UK, according to the annual top 50 places to live in the UK list by Halifax.