Model valuation£417,0008 Busby Close
Local market context
4 Blackwell Hill, Northampton, NN4 9YB
EPC B1 planning record
Estimated value
£462,000
- Since the 2022 sale (£420,000)+10%
- Against NN4 9YB's recent median (£295,000)+57%
Newest record on this page: February 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Detached
Bedrooms
4
Bathrooms
2
Floor area
160 m²
1722 sq ft
Energy rating
B
Score 82
Council tax
Band D
Tenure
Owner Occupied
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
£462,000
- Against its 2022 sale (£420,000)+10%
- Against NN4 9YB's recent median (£295,000)+57%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 4 Blackwell Hill is modelled from its 160 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in NN4 9YB. 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
160 m² from the EPC lodged in April 2016
Sales of this home
2 sales recorded, the latest in 2022
Recent sales in NN4 9YB
5 sales, median £295,000 (2026–2024)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: February 2026 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | 1 application | 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.
Latest sale on 4 Blackwell Hill was the highest on Land Registry record across the postcode.
Sales timeline
21 December 2022Most recent
£420,000
+176.3%over 19 years12 August 2003
£152,000
Median price across the last 5 sales in NN4 9YB: £295,000 (2026–2024).
Nearby sales in NN4 9YB
What this page doesn't show
Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks 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 4 Blackwell Hill
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
4 Blackwell Hill is a four-bedroom detached house in Northampton (NN4 9YB). It has a recorded floor area of 160 m² (around 1722 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (April 2016) returns a B (score 82), comfortably above the UK average. The latest certificate is from April 2016, so improvements made since then won't be reflected.
At 160 m² the property is well over the postcode median (90 m² across 25 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: an extension approved in 2011. Past consents include an extension, meaningful when judging how the property has evolved. Across 2003–2022, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £462,000 is 10% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£244/sq ft) was about 46% above the typical sold price in the postcode. Last sale on file: £420,000 in December 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms2
Before you decide
Everything you need to know about 4 Blackwell Hill
The true value, the hidden risks and the full sale history, in one report.
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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.
4 Blackwell Hill ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Apr 2026
Current Certificate
Apr 2016EPC Rating
A
B
B82
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.9 t/year
Occupancy
Owner Occupied
Certificate validity
Expired on 24 April 2026
Planning history
Applications and permits filed against 4 Blackwell Hill, Northampton, NN4 9YB, sourced from the PlanIt planning register.
Council records include a two-storey side extension at 4 Blackwell Hill.
1 application on record at 4 Blackwell Hill, Northampton, NN4 9YB
1decisions1extensions21documents
- Aug 2011ExtensionFullOutcome in report
Extension: Two storey · Side of property
Two storey side extension (as amended by revised plans received on 27/07/11)
- Documents
- 21 docs on file
- Reference
- N/2011/0622
Unlock 4 Blackwell Hill, Northampton, NN4 9YB'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
- The 21 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Blackwell Hill homes
Four headline reads against 25 similar houses on this street, drawn from the latest EPC and Land Registry data.
On epc rating, 4 Blackwell Hill stands well clear of the street.
Price per m²
£2,625
Street avg £2,622
Floor Area
160 m²
Street avg 95 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 4.2 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
339/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Tideswell Close — bus stop.
Closest school
0.9 km
Simon de Senlis Primary School. 17 schools nearby.
Nearest schools
- Simon de Senlis Primary SchoolPrimary897m
- Hunsbury Park Primary SchoolPrimary1.1km
- Abbeyfield SchoolSecondary1.4km
- East Hunsbury Primary SchoolPrimary1.4km
Nearest stops
- Tideswell CloseBus stop102m
- Ladybridge DriveBus stop186m
- Bitterns StreetBus stop387m
- Kites CloseBus stop400m
Most reported crime locally
- Violence & Sexual Offences1,851 reports36%
- Anti-social Behaviour1,154 reports23%
- Other Theft390 reports8%
- Criminal Damage & Arson325 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 NN4 9YB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
54.4dB
Night-time· 23:00 – 07:00
46.3dB
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
Late 20th centuryDetached HouseEPC BExtended multiple times (2+ extensions)
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,020 · 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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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 4 Blackwell Hill is modelled from its 160 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in NN4 9YB. 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. 2 sales are recorded for 4 Blackwell Hill. 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 4 Blackwell Hill was lodged in April 2016 at band B and expired in April 2026, so a new one is needed to sell or let. Floor area, heating and insulation details on this page come from it.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 4 Blackwell Hill. 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 17 schools and 30 stops listed are measured in a straight line from NN4 9YB, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
- Council tax band
- 4 Blackwell Hill is in council tax band D. 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 4 Blackwell Hill, Northampton, NN4 9YB. Each answer is also embedded as structured data for search engines.
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