20 Oakley Street, Northampton, NN1 3EP
About 20 Oakley Street
20 Oakley Street is an end-of-terrace house in Northampton (NN1 3EP). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (July 2021) shows a C (score 70). Earlier certificates rated it B (October 2008); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good and lighting went from Good to Very Good; while wall efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 85).
It changed hands recently, sold May 2025 for £227,000. One planning record on file: HMO conversion approved in 2020. Past consents include HMO conversion, meaningful when judging how the property has evolved. At 85 m² it's 26.9% larger than the typical home in the postcode (67 m² median across 57 EPCs). Across 1997–2025, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£248/sq ft) was about 84.3% above the typical sold price in the postcode.
Everything you need to know about 20 Oakley Street
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 efficiency decreased
Loft insulation upgraded to recommended levels
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 £885 · Includes VAT
Planning history
1 application on record at 20 Oakley Street, Northampton, NN1 3EP
- Dec 2020HMOFullOutcome in report
Change of Use from Dwellinghouse (Use Class C3) to House in Multiple Occupation (Use Class C4) for 5 occupants
- Documents
- 21 docs on file
- Reference
- N/2020/0837
Unlock 20 Oakley Street, Northampton, NN1 3EP'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- Every decision — granted, refused or withdrawn (1 on record)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 42 notable nearby
- The 21 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 20 Oakley Street was the highest on Land Registry record across the postcode.
£242,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 28 years.
£227,000
Growth on file: 5.8% per year over 28 years.
Sales timeline
8 May 2025Most recent
£227,000
+78.7%over 9 years16 June 2015
£127,000
+164.6%over 17 years13 October 1997
£48,000
Median price across the last 5 sales in NN1 3EP: £163,500 (2024–2022).
Nearby sales in NN1 3EP
Versus other Oakley Street homes
20 Oakley Street is notably below the street on years held.
Price per m²
£2,671
Street avg £1,885
Floor Area
85 m²
Street avg 78 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.4 t/year
Everything you need to know about 20 Oakley Street
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
Reported crime in the wider district is trending notably upward year-on-year.
Crime
11/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
NIA Academy — bus stop.
Closest school
0.4 km
Northampton International Academy. 30 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
52.3dB

Night-time· 23:00 – 07:00
42.5dB






