Question: How was the house first built in Scotland in 3700 BC dated ?

text: List of oldest known surviving buildings
By age
The following are amongst the oldest buildings in the world that have maintained the requirements to be such . Occupation sites with older human made structures such as those in Göbekli Tepe do exist , but the structures are monuments and do not meet the definition of building ( which can be seen above ) . Many of the buildings within the list contain primarily bricks , but most importantly maintain their walls and roof . There are numerous extant structures that survive in the Orkney islands of Scotland , some of the best known of which are part of the Heart of Neolithic Orkney World Heritage Site . [ 2 ] The list also contains many large buildings from the Egyptian Age of the Pyramids .
This article lists the oldest known surviving free-standing buildings constructed in the world, including on each of the continents and within each country. Building is defined as any human-made structure used or interface for supporting or sheltering any use or continuous occupancy. In order to qualify for this list a structure must:
Building Country Continent First Built Use Notes
Barnenez France Europe 4850 BC Passage grave Located in northern Finistère and partially restored . According to André Malraux it would have been better named 'The Prehistoric Parthenon ' . The structure is 72 m ( 236 ft ) long , 25 m ( 82 ft ) wide and over 8 m ( 26 ft ) high
Tumulus of Bougon France Europe 4700 BC Tumulus A complex of tombs with varying dates near Poitiers , the oldest being F0
Saint-Michel tumulus France Europe 4500 BC Tumulus The tumulus forms what is almost an artificial hillock of more than 30,000 m ( 1,100,000 cu ft ) ( 60 m × 125 m × 10 m ( 197 ft × 410 ft × 33 ft ) )
Anu ziggurat of Uruk Iraq Asia 4000-3800 BC Ziggurat A massive White Temple was built atop of the ziggurat . Under the northwest edge of the ziggurat a Stone Temple , has been discovered
Monte d'Accoddi Italy ( Sardinia ) Europe 4000-3650 BC Possibly an open-air temple , or a step pyramid A trapezoidal platform on an artificial mound , reached by a sloped causeway . New radiocarbon dating ( 2011 ) allow us to date the building of the first monument to 4000-3650 BC , the second shrine dating to 3500-3000 BC
Knap of Howar Scotland Europe 3700 BC House Oldest preserved stone house in north west Europe
Ġgantija Malta Europe 3700 BC Temple Two structures on the island of Gozo . The second was built four centuries after the oldest
Dolmen of Menga Spain Europe 3700 BC Tomb A megalithic burial mound called a tumulus , a long barrow form of dolmen
West Kennet Long Barrow England Europe 3650 BC Tomb Located near Silbury Hill and Avebury stone circle
Listoghil Ireland Europe 3550 BC Passage Tomb At the centre of the Carrowmore passage tomb cluster , a simple box-shaped chamber is surrounded by a kerb c.34 m ( 112 ft ) in diameter and partly covered by a cairn . It has been partly reconstructed
Stoney Littleton Long Barrow England Europe 3550 BC Tomb Neolithic chambered tomb with multiple burial chambers , belonging to the Severn-Cotswold group located near Wellow , Somerset , England
Sechin Bajo Peru South America 3500 BC Plaza The oldest known building in the Americas
La Hougue Bie Jersey Europe 3500 BC Passage grave An 18.6 m ( 61 ft ) long passage chamber . The chapel above is medieval
Midhowe Chambered Cairn Scotland Europe 3500 BC Tomb A well-preserved example of the Orkney - Cromarty type on the island of Rousay
Gavrinis passage tomb France Europe 3500 BC Tomb On a small island , situated in the Gulf of Morbihan
Wayland 's Smithy England Europe 3460 BC Chamber tomb A barrow constructed on top of an older burial chamber
Unstan Chambered Cairn Scotland Europe 3450 BC Tomb Excavated in 1884 , when grave goods were found , giving their name to Unstan ware
Knowe of Yarso chambered cairn Scotland Europe 3350 BC Tomb One of several Rousay tombs . It contained numerous deer skeletons when excavated in the 1930s
Quanterness chambered cairn Scotland Europe 3250 BC Tomb The remains of 157 individuals were found inside when excavated in the 1970s
Loughcrew Ireland Europe 3400 BC Tomb It is the site of megalithic burial grounds dating back to approximately 3500 and 3300 BC