9 Blackett Terrace, Sunderland, SR4 7XD
About 9 Blackett Terrace
9 Blackett Terrace is a mid-terrace house in Sunderland (SR4 7XD). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (October 2022) shows a D (score 59), a step below the typical UK home. When first surveyed in June 2022 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 86), a 2-band jump.
Across 1999–2022, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £123,000 sits 59.7% above the 2022 sale of £77,000. One planning record on file: HMO conversion approved in 2022. Past consents include HMO conversion, meaningful when judging how the property has evolved. Sold June 2022 for £77,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 9 Blackett Terrace
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Planning history
- Nov 2022HMOFullIn report
Change of use from residential dwelling to 4no. bed House In Multi Occupation. (part retrospective)
Retrospective- Documents
- 20 docs on file
- Reference
- 22/01579/FUL
We flagged 1 thing worth checking at 9 Blackett Terrace
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
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Sales history & valuation
9 Blackett Terrace's estimated value is more than triple its earliest registered sale price (1999).
£123,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 23 years.
£77,000
Growth on file: 2.9% per year over 23 years.
Sales timeline
22 June 2022Most recent
£77,000
+92.7%over 22 years7 October 1999
£39,950
Median price across the last 5 sales in SR4 7XD: £110,000 (2025–2024).
Nearby sales in SR4 7XD
Everything we know about 9 Blackett Terrace, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Blackett Terrace homes
9 Blackett Terrace outperforms the street on habitable rooms by a wide margin.
Price per m²
£837
Street avg £976
Floor Area
92 m²
Street avg 92 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 5.2 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Royal Hospital Hylton Road H — bus stop.
Closest school
0.3 km
Diamond Hall Junior Academy. 39 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
56.1dB

Night-time· 23:00 – 07:00
43.2dB