According to data from HM Land Registry, Onslow House, Ascot sits on a plot of 3,835 m².

We have plot size data on 33 out of 37 other houses in the postcode and Onslow House, Ascot sits on the largest plot.

According to HM Land Registry, Onslow House, Ascot was last sold on 12th November 2007 for £1,337,500 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since November 2007, the market for similar properties has risen by 21.6%.

• Sold Nov 2007£1,337,500
• Sold Jun 2002£656,000

According to the Land Registry and our network of Estate Agents, there have been 46 sales of properties similar to Onslow House, Ascot within a radius of 1.5 kilometres since 2007.

The most recent example is Hurstdene, Ridgemount Road, Ascot, SL5 9RW, a freehold house which sold for £1,850,000 on the 5th September 2025.

Read more about house prices in SL5.

• Sold Sep 2025£1,850,000 | 5 Bed HouseHurstdene, Ridgemount Road, Ascot, SL5 9RWHurstdene, Ridgemount Road, Ascot, SL5 9RW
• Sold Aug 2025£1,800,000 | 6 Bed HouseAmhurst, Heather Drive, Ascot, SL5 0HPAmhurst, Heather Drive, Ascot, SL5 0HP
• Sold Dec 2024£1,730,000 | 5 Bed House19, Pinecote Drive, Ascot, SL5 9PS19, Pinecote Drive, Ascot, SL5 9PS
• Sold Aug 2024£1,785,000 | 5 Bed House15, Pinecote Drive, Ascot, SL5 9PS15, Pinecote Drive, Ascot, SL5 9PS
• Sold Apr 2024£1,540,000 | 6 Bed HouseWoodruffe, Onslow Road, Ascot, SL5 0HWWoodruffe, Onslow Road, Ascot, SL5 0HW
• Sold Jan 2024£1,120,000 | 5 Bed HouseWhite Rose Cottage, Broomfield Park, Ascot, SL5 0JSWhite Rose Cottage, Broomfield Park, Ascot, SL5 0JS
• Sold Sep 2023£1,450,000 | 5 Bed HouseHollyden, Broomfield Park, Ascot, SL5 0JTHollyden, Broomfield Park, Ascot, SL5 0JT
• Sold Jul 2023£1,775,000 | 6 Bed HouseMignon, Broomfield Park, Ascot, SL5 0JSMignon, Broomfield Park, Ascot, SL5 0JS
• Sold Dec 2021£4,390,000 | 5 Bed HouseByron House, Fishers Wood, Ascot, SL5 0JFByron House, Fishers Wood, Ascot, SL5 0JF
• Sold Mar 2021£1,425,000 | 6 Bed House3, Newmans Place, Ascot, SL5 0HN3, Newmans Place, Ascot, SL5 0HN
• Sold Feb 2021£1,385,000 | 5 Bed HouseByron House, Station Road, Ascot, SL5 0QRByron House, Station Road, Ascot, SL5 0QR
• Sold Dec 2020£545,000 | 5 Bed HousePalmyra, Bedford Lane, Ascot, SL5 0NPPalmyra, Bedford Lane, Ascot, SL5 0NP
• Sold Feb 2019£1,325,000 | 6 Bed HouseWillow House, Onslow Road, Ascot, SL5 0HWWillow House, Onslow Road, Ascot, SL5 0HW
• Sold Oct 2017£1,200,000 | 5 Bed HouseBeech House, London Road, Ascot, SL5 0JLBeech House, London Road, Ascot, SL5 0JL
• Sold Aug 2017£1,750,000 | 5 Bed HouseAppledore, Broomfield Park, Ascot, SL5 0JSAppledore, Broomfield Park, Ascot, SL5 0JS
• Sold Feb 2017£1,000,000 | 5 Bed House2, Newmans Place, Ascot, SL5 0HN2, Newmans Place, Ascot, SL5 0HN
• Sold Sep 2015£1,900,000 | 5 Bed House8, Pinecote Drive, Ascot, SL5 9PS8, Pinecote Drive, Ascot, SL5 9PS
• Sold Oct 2012£1,180,000 | 5 Bed HouseTanglewood, Broomfield Park, Ascot, SL5 0JRTanglewood, Broomfield Park, Ascot, SL5 0JR
• Sold Mar 2010£1,075,000 | 5 Bed HouseHeathfield House, Heather Drive, Ascot, SL5 0HSHeathfield House, Heather Drive, Ascot, SL5 0HS
• Sold Oct 2007£1,625,000 | 5 Bed HouseFernleigh Orchard, Broomfield Park, Ascot, SL5 0JSFernleigh Orchard, Broomfield Park, Ascot, SL5 0JS

Onslow Road, Ascot, SL5 has a total of 42 addresses. According to our analysis of all the public data, Onslow House, Ascot is the 13th largest and the 8th most expensive property on the street.

When compared to the postcode district it is £796k more expensive than the average property in SL5.

• Holy Trinity CofE Primary School, Sunningdale

  1.1 km away
• St Michael's CofE Primary School, Sunninghill

  2.5 km away
• Valley End CofE Infant School

  3.1 km away

• Charters School

  2.0 km away
• Gordon's School

  5.6 km away
• Salesian School, Chertsey

  7.3 km away

• Sunningdale

  |

  700 m away
• Longcross

  |

  2.1 km away
• Ascot (Berks)

  |

  4.0 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.