Our Data Sources
11, Castle Street, Wellingborough has a single entry in the Land Registry from March 2010 and a single entry in the EPC database dated March 2026.
We combine this information with that 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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 11, Castle Street, Wellingborough, we estimate a market value of £346,966 and a rental value of £1,564 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £307,313 and £1,386 per month respectively.
Energy Efficiency
11, Castle Street, Wellingborough has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 03 Mar 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 11, Castle Street, Wellingborough completed on 17th March 2010 at £190,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 159.6% over the period since March 2010.
- Sold Mar 2010£190,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 11, Castle Street, Wellingborough have sold within a radius of 510 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 27th March 2026, was 13, Brook Street East, Wellingborough, NN8 1ND, a freehold house which sold for £257,000.
Read more about house prices in NN8.
- Sold Mar 2026£257,000 | 4 Bed House13, Brook Street East, Wellingborough, NN8 1ND13, Brook Street East, Wellingborough, NN8 1ND
- 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
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 80 addresses on Castle Street, Wellingborough, NN8, 11, Castle Street, Wellingborough comes out as the 25th largest and the 22nd most expensive in our analysis of the public data.
It is also £96k more expensive than the average property across the NN8 district.
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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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.












