17 Sapphire Street, BB1 9SN

Terraced house77 m²EPC CBand AFreehold

17 Sapphire Street is a freehold terraced house on Sapphire Street in BB1. It last sold for £74,950 in 2006 — its 3rd recorded sale, up 241% on its first recorded sale of £22,000 in 1995.

EPC CCouncil tax AGigabit broadband 100%

What this home is

The physical record — from its EPC assessments, HM Land Registry and the VOA.

Property type
Mid-terrace house
Mid-terrace
Floor area
78 m²
840 sq ft
Built
1900-1929
EPC construction age band
Tenure
Freehold
CO₂
2.4 t/yr
current estimate

EPC data © Crown copyright; bedrooms are the register's estimate, not a survey. Tenure from HM Land Registry.

What is it worth now?

An indicative projection from its own sale record — the report's valuation prices it against individual comparable sales.

Indicatively £557,000£929,000 today, projected from its 2006 sale.

Indicative value
£557,000£929,000
Carrying the 2006 sale forward at this home's own compounded growth — 11.9%/yr across 3 recorded sales. It can't see condition or improvements.
Last sold (2006)
£74,950
Growth on file: 11.9% per year across 3 sales.
Sold 2006 · £75k£929k£557k2026

From the 2006 sale, the indicative range widens as time passes — the cone is that growing uncertainty, not a forecast.

BB1 £/m² (recent sales)£1,639this home £973 at its last sale
The local market
Official house price index (UK HPI)

Across Blackburn with Darwen, the official average home value is £165,813+5% in a year, +35% over five.

Detached£298,806
Semi-detached£183,434
Terraced£137,548
Flat / maisonette£89,881

Covers the whole Blackburn with Darwen area, not this postcode.

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The precise, comparables-based valuation

A point estimate with likely and wide ranges, built from individual comparable sales nearby — each listed with address, date, size and adjusted price.

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Comparable sales analysed
Model confidence
Point estimate
Likely range (p50) & wide range (p80)
vs the wider area (£/m² percentile)
Every comparable — address, date, size, sold & adjusted price

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Indicative range projected from HM Land Registry sold prices; not a formal valuation, survey or appraisal.

Everything on 17 Sapphire Street, unlocked

The valuation with its comparables, every application and document trail, tenure & title, the ten score workings — the full dossier for this one address.

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Sale history

Every transaction HM Land Registry records for 17 Sapphire Street, newest first.

3 recorded sales since 1995, up 241% from first to latest.

£50k£100k£150k1995200120072013201920252026£170k+65%+107%Sold 2006: £74,950£75kSold 2001: £36,200£36kSold 1995: £22,000£22k
£50k£100k£150k199520112026£170k+65%Sold 2001: £36,200£36kSold 1995: £22,000£22k
BB1 yearly medianThis home's recorded sales

This home's recorded sales joined up, with the change between each — against BB1's yearly median.

Energy certificate 25 Mar 2026
Rated EPC C · 78 m² recorded
Recorded at this certificate — so at some point since the previous one in 8 Mar 2016:
Efficiency
EPC improved from D to C
Energy certificate 8 Mar 2016
Rated EPC D · 77 m² recorded
24 Mar 2006Most recent
£74,950+107%
Terraced house · Freehold · +17%/yr since the previous sale
31 Jul 2001
£36,200+65%
Terraced house · Freehold · +8.3%/yr since the previous sale
28 Apr 1995
£22,000
Terraced house · Freehold
Built 1900-1929
Property built
Edwardian (1901–1918)
What a home of this era typically means
  • Usually solid brick walls, so expect the same cold-bridging and insulation challenges as Victorian stock.
  • Often more generous rooms, hallways and ceiling heights — comfortable but harder to heat.

HM Land Registry Price Paid Data; sales before 1995 are not in the public dataset.

How it compares on Sapphire Street

Against the 20 homes HM Land Registry and the EPC register know on this street.

Broadly typical of Sapphire Street
Floor area
14 homes
60 m²100 m²This home 77 m²
Street median 78 m² · higher than 43% of the street

Sapphire Street sold prices & full street profile →

Street medians from recorded sales in the last 8 years and EPC floor areas; a street's unsold homes are invisible to price medians.

Energy & running costs

What 17 Sapphire Street's Energy Performance Certificates say about efficiency, cost and construction.

EPC band C (70/100) — improvable to B
Heating, hot water and lighting estimated at about £1,091 a year. The certificate expired in 2026 — the seller needs a new EPC to market the home.
Worth checking
!The certificate expired in 2026 — the seller needs a new EPC to market the home, and the property may have changed since the assessment.
A92+
B81–91
Potential · 83
C69–80
This home · 70
D55–68
E39–54
F21–38
G1–20
CO₂ emissions
2.4 t/yr
current estimate
Built
1900-1929
EPC construction age band
Built form
Mid-terrace
Running cost
£1,091/yr
heating + hot water + lighting
Certificate
8 Mar 2016
lodgement date
Between its certificates
RatingDC70Improved
25 Mar 2026EPC improved from D to C
Heat pump?Possible — check first
Built 1900-1929 — older fabric, so radiator sizing and insulation need checking before a heat pump.
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The construction detail, element by element

Every fabric element as the assessor described it — walls, roof, floor, windows, hot water and heating construction with its efficiency rating — plus glazing detail and itemised running costs.

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Wall construction & insulation, as assessed
Roof & floor construction, as assessed
Windows & glazing detail
Heating & hot-water systems, with efficiency ratings
Itemised running costs (heating / hot water / lighting)

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EPC data © Crown copyright, from the domestic EPC register. Certificates describe the home as assessed on their date.

The practical file

The running costs and everyday infrastructure a viewing can't show you.

Council tax band A (≈£1,637/yr) · gigabit broadband reaches 100% of premises.

Council tax
Band A
£1,637/yr · Blackburn with Darwen UA
Gigabit broadband
100%
of premises here
Top speed
0 Mbps
median 0 Mbps
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Every amenity, counted and priced

The full amenity list by category with names and distances — supermarkets to GPs to gyms — plus parks with sizes and every connectivity measure in full.

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Every amenity category, counted with nearest distances
Parks & green spaces with sizes
Connectivity measures in full

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VOA council-tax band with the authority's current rates; Ofcom broadband coverage; amenities from OpenStreetMap contributors (ODbL); EV charging from the National Chargepoint Registry; hygiene ratings from the Food Standards Agency.

The neighbourhood

Who lives here and how the area ranks — the Blackburn with Darwen 001B neighbourhood, from the Census and the Indices of Deprivation.

IMD decile 1/10among the more deprived areas in England; household income about 15% below the national average; shared/rented housing low.

1/10Among the more deprived areas in England
1 · most deprived10 · least deprived

In plain terms: a weaker income.

Breakdown by domain
Income1/10
Employment2/10
Education & skills2/10
Health2/10
Crime2/10
Housing & access2/10
Living environment4/10

ONS Census 2021 and the English Indices of Deprivation, at neighbourhood (LSOA/MSOA) level — the immediate pocket, not the whole postcode district.

The street and the area

Where 17 Sapphire Street sits in its local market.

BB1 median
£144,000
last 8 years
BB1 £/m²
£1,639
last 8 years

17 Sapphire Street: quick answers

From HM Land Registry, EPC, VOA, Police.uk, DfE and Environment Agency records.

When did 17 Sapphire Street last sell, and for how much?

17 Sapphire Street last sold for £74,950 on 24 Mar 2006, according to HM Land Registry.

How many times has 17 Sapphire Street been sold?

HM Land Registry records 3 sales for 17 Sapphire Street between 1995 and 2006. Sales before 1995 are not in the public dataset.

How big is 17 Sapphire Street?

Its most recent Energy Performance Certificate records 77 m² of floor area.

What council tax band is 17 Sapphire Street?

17 Sapphire Street is in council tax band A, costing about £1,637 a year (Blackburn with Darwen UA).

How energy efficient is 17 Sapphire Street?

Its most recent EPC rates it C (score 70). Its recommended improvements would take it to B.

What is 17 Sapphire Street worth today?

Carrying its 2006 sale price forward with its own compounded sale-price growth of 11.9% a year across 3 sales suggests roughly £557,000–£929,000 as of 2026. This is indicative only — the full report values it against individual comparable sales.

How fast is broadband at 17 Sapphire Street?

Top available download speed is around 0 Mbps. Gigabit-capable broadband reaches 100% of premises in this postcode. (Source: Ofcom)

Other homes at BB1 9SN

Recorded sales for the other addresses sharing this postcode on Sapphire Street.

All homes at this postcode, with sales counts & floor areas (19)
Last sold
2006
Price
£82,000
Sales
3
Floor area
71 m²
Last sold
2009
Price
£69,000
Sales
2
Last sold
2024
Price
£95,000
Sales
4
Last sold
2001
Price
£18,000
Sales
1
Floor area
75 m²
Last sold
2021
Price
£79,000
Sales
3
Floor area
100 m²
Last sold
2005
Price
£65,000
Sales
3
Floor area
56 m²
Last sold
1997
Price
£26,000
Sales
1
Floor area
71 m²
Last sold
2013
Price
£80,000
Sales
4
Last sold
2000
Price
£25,000
Sales
1
Last sold
1998
Price
£29,950
Sales
1
Last sold
2017
Price
£75,000
Sales
1
Floor area
78 m²
Last sold
2017
Price
£67,000
Sales
4
Floor area
81 m²
Last sold
2017
Price
£55,000
Sales
2
Floor area
83 m²
Last sold
2018
Price
£76,000
Sales
2
Floor area
78 m²
Last sold
2019
Price
£67,000
Sales
3
Floor area
78 m²
Last sold
2025
Price
£45,000
Sales
1
Floor area
64 m²
Last sold
2016
Price
£62,000
Sales
4
Floor area
83 m²
Last sold
2023
Price
£60,000
Sales
3
Floor area
71 m²
Last sold
2000
Price
£14,500
Sales
2
Floor area
81 m²

HM Land Registry last recorded sale per address; unsold homes show no price.

Buying or selling 17 Sapphire Street?

The full £5 report opens every locked panel in this dossier — a precise comparables-based valuation, the itemised EPC, planning activity, school results and admissions odds, forward-looking flood risk, a negotiation read and a viewing checklist, for this exact home.

The data behind this dossier
HM Land RegistryEPC RegisterValuation Office AgencyPolice.ukDfE & OfstedEnvironment AgencyDEFRAUKHSA & BGSCoal AuthorityOfcomNaPTANOpenStreetMap

Contains public-sector data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0 where applicable. Amenity data © OpenStreetMap contributors (ODbL). Sales before 1995 are not in the public dataset. Figures describe recorded data and are not a survey or valuation of this home; the indicative range is a projection, not an appraisal. marks detail included in the £5 report.