Two men used tools to break into a house near Colnbrook in broad daylight on Tuesday.
The house on London Road was broken into by the two men between 2.30pm and 3pm on Tuesday afternoon.
Police say 'an amount of gold jewellery' was stolen.
One of the men is described as a large white man wearing a green jumper, dark coloured trousers and black trainers.
He was also wearing a white baseball cap, sunglasses and a face mask.
The second man is described as a white man wearing a dark coloured long-sleeved top, dark-coloured trousers, a black baseball cap, sunglasses and a face mask.
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A Thames Valley Police spokesperson said: "As the two men were wearing long sleeves and on a hot, sunny day, they may have seemed out of place.
"Officers are appealing for anyone who may have witnessed this incident or who may have any dash-cam or CCTV footage.
"Specifically to those on the London Road yesterday afternoon heading into Colnbrook or towards Langley Close.
"If you have any information, please get in touch using our online form or by calling 101 with reference number 43210237694.
"Alternatively, you can contact the independent charity Crimestoppers anonymously via their website or on 0800 555 111."
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