Apartment 3, Windsor House, Marlow has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 30 May 2018.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler& underfloor (mains gas).

According to HM Land Registry, Apartment 3, Windsor House, Marlow was last sold on 31st July 2020 for £635,000 and was recorded as a leasehold flat.

The property has only had this single sale since 1995.

Since July 2020, the market for similar properties has dropped by 11.5%.

• Sold Jul 2020£635,000

According to the Land Registry and our network of Estate Agents, there have been 56 sales of properties similar to Apartment 3, Windsor House, Marlow within a radius of 490 metres since 2018.

The most recent example is 75, Wethered Park, Marlow, SL7 2BJ, a leasehold flat which sold for £690,000 on the 11th November 2025.

Read more about house prices in SL7.

• Sold Nov 2025£690,000 | 3 Bed Flat75, Wethered Park, Marlow, SL7 2BJ75, Wethered Park, Marlow, SL7 2BJ
• Sold Nov 2025£820,000 | 3 Bed Flat6, Quoitings Gardens, Marlow, SL7 2FN6, Quoitings Gardens, Marlow, SL7 2FN
• Sold Sep 2025£728,000 | 3 Bed Flat11 Windsor Court, Portland Crescent, Marlow, SL7 2FS11 Windsor Court, Portland Crescent, Marlow, SL7 2FS
• Sold Feb 2025£790,000 | 3 Bed FlatApartment 5, Windsor House, Dean Street, Marlow, SL7 3AAApartment 5, Windsor House, Dean Street, Marlow, SL7 3AA
• Sold Jan 2025£725,000 | 3 Bed Flat32 Windsor Court, Portland Crescent, Marlow, SL7 2FS32 Windsor Court, Portland Crescent, Marlow, SL7 2FS
• Sold Sep 2024£685,000 | 3 Bed Flat61, Wethered Park, Marlow, SL7 2BJ61, Wethered Park, Marlow, SL7 2BJ
• Sold Sep 2023£685,000 | 3 Bed Flat35 Windsor Court, Portland Crescent, Marlow, SL7 2FS35 Windsor Court, Portland Crescent, Marlow, SL7 2FS
• Sold Sep 2023£625,000 | 3 Bed Flat73, Wethered Park, Marlow, SL7 2BJ73, Wethered Park, Marlow, SL7 2BJ
• Sold Jun 2023£705,000 | 3 Bed Flat15 Windsor Court, Portland Crescent, Marlow, SL7 2FS15 Windsor Court, Portland Crescent, Marlow, SL7 2FS
• Sold Aug 2022£625,000 | 3 Bed FlatApartment 9, Windsor House, Dean Street, Marlow, SL7 3AAApartment 9, Windsor House, Dean Street, Marlow, SL7 3AA
• Sold Jul 2022£750,500 | 3 Bed Flat16 Windsor Court, Portland Crescent, Marlow, SL7 2FS16 Windsor Court, Portland Crescent, Marlow, SL7 2FS
• Sold Mar 2022£850,000 | 3 Bed FlatApartment 11, Windsor House, Dean Street, Marlow, SL7 3AAApartment 11, Windsor House, Dean Street, Marlow, SL7 3AA
• Sold Mar 2022£720,000 | 3 Bed FlatApartment 4, Windsor House, Dean Street, Marlow, SL7 3AAApartment 4, Windsor House, Dean Street, Marlow, SL7 3AA
• Sold Oct 2021£695,000 | 3 Bed Flat8 Windsor Court, Portland Crescent, Marlow, SL7 2FS8 Windsor Court, Portland Crescent, Marlow, SL7 2FS
• Sold Jun 2021£605,000 | 3 Bed Flat31 Windsor Court, Portland Crescent, Marlow, SL7 2FS31 Windsor Court, Portland Crescent, Marlow, SL7 2FS
• Sold Dec 2019£595,000 | 3 Bed FlatApartment 2, Windsor House, Dean Street, Marlow, SL7 3AAApartment 2, Windsor House, Dean Street, Marlow, SL7 3AA
• Sold Apr 2019£620,000 | 3 Bed FlatApartment 10, Windsor House, Dean Street, Marlow, SL7 3AAApartment 10, Windsor House, Dean Street, Marlow, SL7 3AA
• Sold Nov 2018£675,000 | 3 Bed FlatApartment 8, Windsor House, Dean Street, Marlow, SL7 3AAApartment 8, Windsor House, Dean Street, Marlow, SL7 3AA
• Sold Oct 2018£650,000 | 3 Bed FlatApartment 7, Windsor House, Dean Street, Marlow, SL7 3AAApartment 7, Windsor House, Dean Street, Marlow, SL7 3AA
• Sold Sep 2018£8,125,000 | 3 Bed Flat1 Peel Lodge, Dean Street, Marlow, SL7 3FH1 Peel Lodge, Dean Street, Marlow, SL7 3FH

Dean Street, Marlow, SL7 has a total of 159 addresses. According to our analysis of all the public data, Apartment 3, Windsor House, Marlow is the 12th largest and the 5th most expensive property on the street.

When compared to the postcode district it is £69k less expensive than the average property in SL7.

• Holy Trinity Church of England (Aided) School

  200 m away
• St Peter's Catholic Primary School

  400 m away
• Marlow Church of England Infant School

  600 m away

• Sir William Borlase's Grammar School

  500 m away
• Great Marlow School

  1.1 km away
• Cressex Community School

  4.6 km away

• Marlow

  |

  800 m away
• Cookham

  |

  4.2 km away
• Bourne End

  |

  4.6 km away

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