Model valuation£417,0008 Busby Close
Local market context
Clarendon House is a semi-detached house in Northampton (NN1 1NS). It has a recorded floor area of 57 m² (around 614 sq ft) and construction records dating it to 1996-2002. The latest certificate (March 2024) returns a B (score 81), comfortably above the UK average. When first surveyed in April 2013 the rating was C, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. Main heating runs on electricity. At 57 m² this is the 15th smallest of 19 units on EPC record in Clarendon House, where floor areas span 46–64 m². The building's EPC ratings span D to B, with this unit at the top.
On energy efficiency it sits in the top 10% of properties in this postcode. Across 2002–2019, sale prices on this property compounded at 3.4% per year. On a £-per-square-foot basis, the last sale (£196/sq ft) was about 43.7% above the typical sold price in the postcode. Most recent transfer: July 2019 at £120,000.
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Clarendon House ranks among the most efficient homes in the postcode for energy use.
Certificate validity
Valid until 23 March 2034
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Window efficiency improved
Get a survey for this property
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Clarendon House has no planning applications on record.
But the area is active
43 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Clarendon House valuation sits well clear of the typical sold price in this postcode.
£124,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 17 years.
£120,000
Growth on file: 3.4% per year over 17 years.
25 July 2019Most recent
£120,000
+22.4%over 12 years28 June 2007
£98,000
+45.0%over 4 years25 July 2002
£67,600
Median price across the last 5 sales in NN1 1NS: £105,000 (2025–2020).
Clarendon House, Apartment 5, 39 Bridge Street, Northampton, NN1 1NS
Sold May 2025
Clarendon House, Apartment 15, 39 Bridge Street, Northampton, NN1 1NS
Sold Mar 2023
Clarendon House, Apartment 9, 39 Bridge Street, Northampton, NN1 1NS
Sold Apr 2021
Clarendon House, Apartment 16, 39 Bridge Street, Northampton, NN1 1NS
Sold Apr 2021
Clarendon House, Apartment 18, 39 Bridge Street, Northampton, NN1 1NS
Sold Dec 2020
EPC Rating for Clarendon House runs comfortably ahead of the street norm.
Price per m²
£2,105
Street avg £1,677
Floor Area
57 m²
Street avg 57 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.7 t/year
Street avg 2.7 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
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Rail-style transport is unusually close for this postcode.
Crime
571/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Plough Hotel — bus stop.
Closest school
0.7 km
Spring Lane Primary School. 32 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.

Daytime· 07:00 – 23:00
57.4dB

Night-time· 23:00 – 07:00
48.5dB