Model valuation£417,0008 Busby Close
Local market context
18 Semilong Road, Northampton, NN2 6BH
3 sales on record
Estimated value
£277,000
- Since the 2019 sale (£236,050)+17%
- Against NN2 6BH's recent median (£172,500)+61%
Newest record on this page: January 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Mid terrace
Habitable rooms
7
From EPC
Floor area
152 m²
1636 sq ft
Energy rating
D
Score 62
Council tax
Band B
Tenure
Private Rental
About this valuation
How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.
Our estimate
£277,000
- Against its 2019 sale (£236,050)+17%
- Against NN2 6BH's recent median (£172,500)+61%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 18 Semilong Road is modelled from its 152 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in NN2 6BH. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
What it's based on
Floor area
152 m² from the EPC lodged in September 2025
Sales of this home
3 sales recorded, the latest in 2019
Recent sales in NN2 6BH
5 sales, median £172,500 (2026–2007)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: January 2026 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | None on this home | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
Sales history & valuation
Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.
18 Semilong Road has more than quadrupled in price since its earliest registered sale in 1997.
Sales timeline
24 October 2019Most recent
£236,050
+31.1%over 4 years1 April 2015
£180,000
+239.6%over 17 years25 September 1997
£53,000
Median price across the last 5 sales in NN2 6BH: £172,500 (2026–2007).
Nearby sales in NN2 6BH
What this page doesn't show
2 potential issues have already been flagged for 18 Semilong Road, Northampton, NN2 6BH. The detail, evidence and what to ask about it are in the Risks Report.
- Signs of HMO activity in the areaIn report
- Larger development activity nearbyIn report
- Flood risk from rivers, sea and surface waterIn report
- Subsidence and ground-stability signalsIn report
- Refusals, enforcement and big schemes nearbyIn report
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About 18 Semilong Road
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
18 Semilong Road is a mid-terrace house in Northampton (NN2 6BH). It has a recorded floor area of 152 m² (around 1636 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2025) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in March 2015 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 77).
Across 1997–2019, sale prices on this property compounded at 7% per year. Today's modelled estimate of £277,000 is 17.3% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£144/sq ft) was about 53.3% above the typical sold price in the postcode. Sold October 2019 for £236,050.
Before you decide
Everything you need to know about 18 Semilong Road
The true value, the hidden risks and the full sale history, in one report.
Signs of HMO activity in the areaLarger development activity nearby
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
18 Semilong Road's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 2)
Sept 2025
EPC Rating
A
B
C
D
D62
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
6.1 t/year
Occupancy
Rented
Certificate validity
Valid until 1 September 2035
Property Improvements
Changes detected from historical EPC data
Sept 2025from Mar 2015
EPC improved fromE54toD62
Roof Insulation
UninsulatedWell Insulated
Loft insulation installed or upgraded to 250mm+
Low Energy Lighting
33%89%
More low energy lighting installed
Planning history
Applications and permits filed against 18 Semilong Road, Northampton, NN2 6BH, sourced from the PlanIt planning register.
18 Semilong Road has no planning applications on record.
37
But the area is active
37 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Versus other Semilong Road homes
Four headline reads against 5 similar houses on this street, drawn from the latest EPC and Land Registry data.
18 Semilong Road outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,553
Street avg £1,481
Floor Area
152 m²
Street avg 144 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
6.1 t/year
Street avg 7.2 t/year
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Northampton district page.
Crime
373/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Marriott Street — bus stop.
Closest school
0.2 km
Northampton International Academy. 30 schools nearby.
Nearest schools
- Northampton International AcademyAll-through209m
- Northampton International AcademyAll-through209m
- Castle AcademyPrimary368m
- Spring Lane Primary SchoolPrimary685m
Nearest stops
- Marriott StreetBus stop228m
- Lower Hester StreetBus stop239m
- NIA AcademyBus stop279m
- Hampton StreetBus stop312m
Most reported crime locally
- Violence & Sexual Offences1,491 reports27%
- Shoplifting1,208 reports22%
- Anti-social Behaviour1,096 reports20%
- Vehicle Crime324 reports6%
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
Modelled day and night-time noise levels around NN2 6BH from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
52.4dB
Night-time· 23:00 – 07:00
43.0dB
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
Get a survey for this property
Level 3 Building Survey
Victorian-eraMid-Terrace HouseEPC DPre-1919 buildSolid (non-cavity) walls
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
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Start your researchHow to read this page
Where every figure above comes from, how current it is and what it can't tell you.
- How the estimate is made
- The estimate for 18 Semilong Road is modelled from its 152 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in NN2 6BH. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
- Where sold prices come from
- Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 3 sales are recorded for 18 Semilong Road. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
- Reading the EPC
- Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 18 Semilong Road was lodged in September 2025 at band D and is valid until September 2035. 2 certificates are on record, which shows how the home has changed.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. None is matched to 18 Semilong Road. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
- Area figures
- Crime is police-recorded street-level data over the last 15 months, which places each incident at an approximate point. The 30 schools and 30 stops listed are measured in a straight line from NN2 6BH, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
- Council tax band
- 18 Semilong Road is in council tax band B. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
Common questions
The questions buyers, sellers and homeowners most often ask about 18 Semilong Road, Northampton, NN2 6BH. Each answer is also embedded as structured data for search engines.
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- Every home in NN2 6BHSold prices, values and energy ratings for the postcode
- NN 2 property marketPrices, postcodes, schools and transport across the district
- 18 Semilong Road, Northampton valuationHow the estimate is built and what moves it
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