27 Henry Street, Northampton, NN1 4JD
About 27 Henry Street
27 Henry Street is a one-bedroom mid-terrace house in Northampton (NN1 4JD). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (June 2020) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since February 2010. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 79).
One planning record on file: HMO conversion approved in 2014. Past consents include HMO conversion, meaningful when judging how the property has evolved. At 89 m² it's 17.1% larger than the typical home in the postcode (76 m² median across 22 EPCs). Across 2006–2014, sale prices on this property compounded at 2.2% per year. Today's modelled estimate of £198,000 is 36.6% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£151/sq ft) was about 25% above the typical sold price in the postcode. On the market in August 2014 and unlisted since — roughly 12 years.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Private gardenYes
Everything you need to know about 27 Henry Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 21 June 2030
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1 application on record at 27 Henry Street, Northampton, NN1 4JD
- Jul 2014HMOFullOutcome in report
Change of use from residential (Use Class C3) to 4 bed house in multiple occupation (Use Class C4)
- Documents
- 14 docs on file
- Reference
- N/2014/0483
Unlock 27 Henry Street, Northampton, NN1 4JD's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 65 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
27 Henry Street valuation sits well clear of the typical sold price in this postcode.
£198,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.2% per year over 8 years.
£145,000
Growth on file: 2.2% per year over 8 years.
Sales timeline
7 August 2014Most recent
£145,000
+18.9%over 8 years26 June 2006
£122,000
Median price across the last 5 sales in NN1 4JD: £205,000 (2026–2022).
Nearby sales in NN1 4JD
29 Henry Street, Northampton, NN1 4JD
Sold Jun 2026
£215,00019 Henry Street, Northampton, NN1 4JD
Sold Apr 2026
£180,000First Floor Flat, 13 Henry Street, Northampton, NN1 4JD
Sold May 2024
£320,00041 Henry Street, Northampton, NN1 4JD
Sold Mar 2022
£200,00023 Henry Street, Northampton, NN1 4JD
Sold Feb 2022
£200,000
Versus other Henry Street homes
On habitable rooms, 27 Henry Street stands well clear of the street.
Price per m²
£1,629
Street avg £1,446
Floor Area
89 m²
Street avg 77 m²
Habitable Rooms
5 rooms
Street avg 3 rooms
CO₂ Emissions
5.2 t/year
Street avg 3.9 t/year
Everything you need to know about 27 Henry Street
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
571/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Clare Street — bus stop.
Closest school
0.4 km
Stimpson Avenue Academy. 31 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
51.8dB

Night-time· 23:00 – 07:00
42.0dB






