Our Data Sources
11B, Castle Street, Wellingborough has no records in the the Land Registry and a single entry in the EPC database dated February 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 11B, Castle Street, Wellingborough would be worth £316,121, with a potential rental value of £1,459 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £279,993, with a rental value of £1,293 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
11B, Castle Street, Wellingborough has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 02 Feb 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 510 metres of 11B, Castle Street, Wellingborough across the last 2 years.
Most recently, 65, Waterside Road, Wellingborough, NN8 1PD, a freehold house, sold at £270,000 on the 19th December 2025.
Read more about house prices in NN8.
- Sold Dec 2025£270,000 | 4 Bed House65, Waterside Road, Wellingborough, NN8 1PD65, Waterside Road, Wellingborough, NN8 1PD
- Sold Nov 2025£310,000 | 4 Bed House21, Thorny Road, Wellingborough, NN8 1NZ21, Thorny Road, Wellingborough, NN8 1NZ
- Sold Apr 2025£266,000 | 4 Bed House48, Waterside Road, Wellingborough, NN8 1PB48, Waterside Road, Wellingborough, NN8 1PB
•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 11B, Castle Street, Wellingborough as the 27th largest and the 25th most expensive of the 80 addresses on Castle Street, Wellingborough, NN8.
Against the NN8 postcode district average, it is £66k more expensive than the typical property.
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Schools Nearby
- 0mAll Saints CEVA Primary School and Nursery
- 600mPark Junior School, Wellingborough
- 800mThe Avenue Infant School
- 500mWrenn School
- 1.1kmSir Christopher Hatton Academy
- 1.9kmWeavers Academy
More reading links
Public Transport Nearby
- 700mWellingborough
- 10.8kmKettering
- 16.6kmNorthampton
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.
