Our Data Sources
11A, 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
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 11A, Castle Street, Wellingborough, we estimate a market value of £287,595 and a rental value of £1,261 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £254,727 and £1,117 per month respectively.
Energy Efficiency
11A, Castle Street, Wellingborough has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 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
Over the past 2 years 44 properties similar to 11A, 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 22nd December 2025, was 60, Waterside Road, Wellingborough, NN8 1PB, a freehold house which sold for £271,000.
Read more about house prices in NN8.
- Sold Dec 2025£271,000 | 3 Bed House60, Waterside Road, Wellingborough, NN8 1PB60, Waterside Road, Wellingborough, NN8 1PB
- Sold Aug 2025£285,000 | 3 Bed House9, Thorny Road, Wellingborough, NN8 1NZ9, Thorny Road, Wellingborough, NN8 1NZ
- Sold Sep 2023£255,000 | 3 Bed House34, Brook Street East, Wellingborough, NN8 1ND34, Brook Street East, Wellingborough, NN8 1ND
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 80 addresses on Castle Street, Wellingborough, NN8, 11A, Castle Street, Wellingborough comes out as the 33rd largest and the 30th most expensive in our analysis of the public data.
It is also £41k more expensive than the average property across the NN8 district.
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Schools Nearby
- All Saints CEVA Primary School and Nursery0 m away
- Park Junior School, Wellingborough600 m away
- The Avenue Infant School800 m away
- Wrenn School500 m away
- Sir Christopher Hatton Academy1.1 km away
- Weavers Academy1.9 km away
More reading links
Public Transport Nearby
- Wellingborough|700 m away
- Kettering|10.8 km away
- Northampton|16.6 km away
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.












