It is only 35 miles from the Regency town houses of Brighton and Hove to the flats of Greeba Court but in terms of property prices, they are worlds apart.

The block of 56 flats, on the seafront in St Leonards, has been named Sussex's cheapest address, where property goes on sale for an average of £66,008.

The list of the 20 least expensive addresses in Sussex has been compiled by website Mouseprice.com.

It calculated average house prices from the Land Registry index since 2000, taking into account inflation.

Drive along the coast from St Leonards to Brighton and Hove and you would be hard-pressed to find one of Greeba Court's one-bedroom flats for a similar price.

It is fair to say the block has seen better days. Although the sea views are impressive, its rear flats have no view at all - and the average price of £66,008 is a reflection of that, said estate agent Rush, Witt & Wilson, which has recently sold a flat in the block.

Amie Cruttenden, from the company, said: "We recently sold a front-facing flat at Greeba Court for £80,000. We took instruction on that property on March 2 and it was sold on March 17 at the asking price.

"We had offers on it within six or seven days and two people looked at it.

"A lot of flats go very quickly as there is not just interest from the buy-to-let but also from first time buyers. There is a mixed bag.

"We believe Hastings and the surrounding area is only going to go one way and that is upwards."

However, a newcomer to Greeba Court could experience a few problems, according to some residents.

Victor Hicks, 89, has lived at his flat for 14 years. He said: "The front door does not lock and people do come into the porch for shelter. Youngsters also come in here every now and then and cause a bit of trouble but it's not much. £60,000 is a fair price, though."

Another resident, who did not wish to be named, said: "There is a great deal of vandalism here and I have, on three occasions, found men sleeping in the corridors.

"On another, the front door was smashed and there have been several incidents of that kind.

"Another problem is that flats are bought and the owners let them. One day there's one person and the next they bring in their friends. You can't do anything about it.

"I can't really gauge the number of people who keep moving in and out of here but there does seem to be a lot of vans taking furniture in and out."

Addresses in Hastings and St Leonards feature heavily in the list, with 11 entries.

Rothsay Road in St Leonards has a mixture of large three-storey houses split into flats and a purpose-built block of six two-bedroom flats called Rothsay Court.

Tenant Ricki Skinner, 19, said he would buy his flat, if he could, for the average price of £84,191.

He said: "I think it's a very reasonable price and not too bad for the area but prices do go up. The landlord who bought this building got it for about that price.

"I've been living here for six months and it's the best place I've ever lived at."

But Mr Skinner's comments did not ring true with another resident.

The woman, who did not want to give her name, said: "I'm not surprised the average price is that low.

"This road is not in a very good area and we have lots of problems."

Other streets to feature in the list include Messenger Close in Crawley, with a price of £75,080, and, at the foot of the table, Quarry Crescent in Hastings, with an average price of £91,322.

Selwyn Lim, managing director of Mouseprice.com, said: "Mouseprice.com's least expensive streets table tells a story, in part, of demolition and regeneration.

"Although not always welcomed, it is hoped regeneration schemes do not simply demolish and rebuild but rather address the underlying socio-economic issues facing the areas in question.

"These tables have not been released for members of the public to base buying decisions upon but, with so much media attention on how expensive property has become in England and Wales, to prompt discussion on the variations in property values."

The list is a sharp contrast to the 20 most expensive addresses in Sussex, as revealed in The Argus earlier this month.

The average house price in the list topped £750,000, with Brighton and Hove contributing six streets.

Wrens Warren in Chuck Hatch, near Crowborough, came top.

The private cul-de-sac is in the heart of Ashdown Forest and blocked from the public by wooden gates and wire fencing.

Some of the houses are mock- Tudor and have three garages.

The last property to be sold in Wrens Warren was Berwick Hall, which went for £1.5 million last November.

Comdene Lodge was sold for £1.9 million in December 2004, making it the most expensive house in the road to be sold since April 2000.

When this list was released by Mouseprice.com, Peter Corke, manager of Howard Cundey & Co estate agent in Forest Row, described Wrens Warren as an exclusive small development.

Mr Corke said: "There are seven houses there and it is something unique, both in terms of what type of properties they are and their location."

After Chuck Hatch, the most expensive streets were in Bosham, near Chichester, Brighton and Hove and Ditchling.

To see the top 20 bargain buys and the top 20 exclusive areas in Sussex, click here.