Clarendon House, Apartment 1, 39 Bridge Street, Northampton, NN1 1NS
About Clarendon House
Clarendon House is a one-bedroom mid-terrace house in Northampton (NN1 1NS). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to 1976-1982. The latest certificate (March 2023) shows a C (score 79), near the top of the C band. When first surveyed in March 2010 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Very Poor to Poor and lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 85). Main heating runs on electricity. At 56 m² this is the 13th 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 across 19 units on file.
Untraded for 21 years, with the last transfer in August 2005. Across 2002–2005, sale prices on this property compounded at 10.5% per year. Today's modelled estimate of £110,000 is 26.4% above the 2005 sale price.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Everything you need to know about Clarendon House
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Clarendon House has no planning applications on record.
But the area is active
45 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Clarendon House saw 3 transfers in just over a decade — high turnover for the postcode.
£110,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.5% per year over 4 years.
£87,000
Growth on file: 10.5% per year over 4 years.
Sales timeline
10 August 2005Most recent
£87,000
+14.1%over 2 years23 December 2002
£76,250
+25.5%over 12 months4 January 2002
£60,775
Median price across the last 5 sales in NN1 1NS: £105,000 (2025–2021).
Nearby sales in NN1 1NS
Clarendon House, Apartment 21, 39 Bridge Street, Northampton, NN1 1NS
Sold Jul 2025
£85,000Clarendon House, Apartment 5, 39 Bridge Street, Northampton, NN1 1NS
Sold May 2025
£122,000Clarendon House, Apartment 15, 39 Bridge Street, Northampton, NN1 1NS
Sold Mar 2023
£120,000Clarendon House, Apartment 9, 39 Bridge Street, Northampton, NN1 1NS
Sold Apr 2021
£90,000Clarendon House, Apartment 16, 39 Bridge Street, Northampton, NN1 1NS
Sold Apr 2021
£105,000
Versus other Bridge Street homes
On epc rating, Clarendon House stands well clear of the street.
Price per m²
£1,554
Street avg £1,732
Floor Area
56 m²
Street avg 57 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.7 t/year
Everything you need to know about Clarendon House
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
11/mo
Rising 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.
Road noise across the postcode

Daytime· 07:00 – 23:00
57.4dB

Night-time· 23:00 – 07:00
48.5dB






