3 3 Sydenham House, Blackboy Road, Exeter, EX4 6SX
About 3 3 Sydenham House
3 3 Sydenham House is a semi-detached house in Exeter (EX4 6SX). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1950-1966 and council tax band A. At 56 m² this is the 3rd smallest of 5 units on EPC record in the building, where floor areas span 47–56 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (71 versus a worst of 48). The latest certificate (February 2026) shows a C (score 71). When first surveyed in October 2016 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor, lighting went from Poor to Very Good and main heating went from Average to Good; while window efficiency dropped from Average to Poor. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). Today's modelled estimate of £142,000 is 30.9% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£180/sq ft) was about 17.6% below the postcode norm. Last changed hands 9 years ago, in July 2017.
Know exactly what you're buying at 3 3 Sydenham House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
3 3 Sydenham House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Hot water system changed
Wall insulation improved
Heating system upgraded to a more efficient system
Hot water system upgraded
Planning history
3 3 Sydenham House has no planning applications on record.
Notable planning nearby
58applications of note in the surrounding area
We flagged 2 things worth checking at 3 3 Sydenham House
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
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
£142,000
Modelled from EPC, postcode comparables.
£108,500
Recorded with HM Land Registry.
Sales timeline
27 July 2017Most recent
£108,500
Median price across the last 5 sales in EX4 6SX: £140,500 (2024–2021).
Nearby sales in EX4 6SX
1 1 Sydenham House, Blackboy Road, Exeter, EX4 6SX
Sold Mar 2024
£140,0002 3 Sydenham House, Blackboy Road, Exeter, EX4 6SX
Sold Jan 2024
£145,0005 3 Sydenham House, Blackboy Road, Exeter, EX4 6SX
Sold Aug 2023
£140,5006 3 Sydenham House, Blackboy Road, Exeter, EX4 6SX
Sold Apr 2023
£133,0001 4 Sydenham House, Blackboy Road, Exeter, EX4 6SX
Sold Nov 2021
£145,000
Everything we know about 3 3 Sydenham House, 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
- Larger development activity nearby

Versus other Blackboy Road homes
3 3 Sydenham House outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,938
Street avg £2,180
Floor Area
56 m²
Street avg 53 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
0.7 t/year
Street avg 3.6 t/year
Similar properties nearby
1 2 Sydenham House, Blackboy Road
EX4 6SX
1 3 Sydenham House, Blackboy Road
EX4 6SX
1 Kendall Close, Blackboy Road
EX4 6SP
1 1 Sydenham House, Blackboy Road
EX4 6SX
1 4 Sydenham House, Blackboy Road
EX4 6SX
1 Inglewood House, Sidwell Street
EX4 6AN
1 Blackboy Road
EX4 6SG
1 Bridge Cottages, Well Street
EX4 6QB
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Elmside — bus stop.
Closest school
0.5 km
Newtown Primary School. 29 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
50.0dB

Night-time· 23:00 – 07:00
39.0dB