Our Data Sources
3 Sumner House, High Wycombe has 2 entries in the Land Registry , most recently in May 2022 and a single entry in the EPC database dated January 2017.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 3 Sumner House, High Wycombe would be worth £210,328, with a potential rental value of £1,105 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £186,291, with a rental value of £979 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
3 Sumner House, High Wycombe has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Jan 2017.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Room heaters, electric.
Sold Prices
3 Sumner House, High Wycombe last changed hands on 25th May 2022, selling for £185,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 1.1% since May 2022.
- Sold May 2022£185,000
- Sold Feb 2017£225,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 174 sales of comparable properties within 470 metres of 3 Sumner House, High Wycombe across the last 2 years.
Most recently, 23 Castle House, Desborough Road, High Wycombe, HP11 2FP, a leasehold flat, sold at £195,000 on the 20th June 2025.
Read more about house prices in HP11.
- Sold Jun 2025£195,000 | 2 Bed Flat23 Castle House, Desborough Road, High Wycombe, HP11 2FP23 Castle House, Desborough Road, High Wycombe, HP11 2FP
- Sold Jun 2024£178,000 | 2 Bed Flat25 Sumner House, Mendy Street, High Wycombe, HP11 2FF25 Sumner House, Mendy Street, High Wycombe, HP11 2FF
- Sold Apr 2024£175,000 | 1 Bed Flat12 Sumner House, Mendy Street, High Wycombe, HP11 2FF12 Sumner House, Mendy Street, High Wycombe, HP11 2FF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 3 Sumner House, High Wycombe as the 5th largest and the 5th most expensive of the 47 addresses on Mendy Street, High Wycombe, HP11.
Against the HP11 postcode district average, it is £188k less expensive than the typical property.
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Schools Nearby
- High Wycombe Church of England Combined School400 m away
- Hamilton Academy500 m away
- Oakridge School900 m away
- Wycombe High School1.4 km away
- John Hampden Grammar School1.6 km away
- The Royal Grammar School, High Wycombe1.7 km away
More reading links
Public Transport Nearby
- High Wycombe|800 m away
- Marlow|6.7 km away
- Bourne End|6.8 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












