Our Data Sources
20, Thirlmere Avenue, Northampton has no records in the Land Registry and a single entry in the EPC database dated July 2024.
We combine this information with public data 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 20, Thirlmere Avenue, Northampton would be worth £261,509, with a potential rental value of £1,446 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £231,622, with a rental value of £1,280 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
20, Thirlmere Avenue, Northampton has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 03 Jul 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 260 sales of comparable properties within 600 metres of 20, Thirlmere Avenue, Northampton since 2016.
Most recently, 268, The Headlands, Northampton, NN3 2NT, a freehold house, sold at £245,000 on the 11th December 2025.
Read more about house prices in NN3.
- Sold Dec 2025£245,000 | 3 Bed House268, The Headlands, Northampton, NN3 2NT268, The Headlands, Northampton, NN3 2NT
- Sold May 2025£280,000 | 3 Bed House197, Fullingdale Road, Northampton, NN3 2QH197, Fullingdale Road, Northampton, NN3 2QH
- Sold Mar 2025£265,000 | 3 Bed House168, Grange Road, Northampton, NN3 2AX168, Grange Road, Northampton, NN3 2AX
- Sold Dec 2024£257,000 | 3 Bed House254, The Headlands, Northampton, NN3 2NT254, The Headlands, Northampton, NN3 2NT
- Sold Nov 2024£255,000 | 3 Bed House13, Thirlmere Avenue, Northampton, NN3 2QN13, Thirlmere Avenue, Northampton, NN3 2QN
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £257,684, ranging from £234,880 to £317,060.
- 22 Thirlmere Avenue
3 Bed House | 6 m | Est. Value: £243,487
- 18 Thirlmere Avenue
3 Bed House | 8 m | Est. Value: £236,337
- 24 Thirlmere Avenue
3 Bed House | 13 m | Est. Value: £234,880
- 26 Thirlmere Avenue
3 Bed House | 19 m | Est. Value: £241,321
- 9 Thirlmere Avenue
3 Bed House | 28 m | Est. Value: £242,075
Location Comparison
Our analysis of the public data ranks 20, Thirlmere Avenue, Northampton as the 8th largest and the 12th most expensive of the 28 addresses on Thirlmere Avenue, Northampton, NN3.
Against the NN3 postcode district average, it is £23k less expensive than the typical property.
More reading links
Schools Nearby
- St Gregory's Catholic Primary School200 m away
- Headlands Primary School400 m away
- The Arbours Primary Academy500 m away
- Weston Favell Academy500 m away
- St Thomas Becket Catholic School1.2 km away
- Northampton Academy1.3 km away
More reading links
Public Transport Nearby
- Northampton|4.5 km away
- Wellingborough|12.9 km away
- Long Buckby|16.3 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
