28 Bertha Street, Ferryhill, DL17 8AZ
About 28 Bertha Street
28 Bertha Street is a two-bedroom mid-terrace house in Ferryhill (DL17 8AZ). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1900-1929 and council tax band A. Tenure is freehold. The latest certificate (May 2019) shows a D (score 60), on the cusp of jumping into the C band. Earlier certificates rated it C (May 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 1995–2025, sale prices on this property compounded at 1.6% per year. Today's modelled estimate of £114,000 sits 181.5% above the 2025 sale of £40,500. On a £-per-square-foot basis, the last sale (£58/sq ft) was about 37.9% above the typical sold price in the postcode. A recent sale: £40,500 in June 2025.
Know exactly what you're buying at 28 Bertha Street
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
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenRear
Building
- TenureFreehold
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
28 Bertha Street has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 28 Bertha Street
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
28 Bertha Street's modelled value sits at over four times its earliest registered sale price (1995).
£114,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.6% per year over 30 years.
£40,500
Growth on file: 1.6% per year over 30 years.
Sales timeline
5 June 2025Most recent
£40,500
-40.4%over 16 years9 July 2008
£68,000
+19.3%over 1 year15 January 2007
£57,000
+147.8%over 7 years28 October 1999
£23,000
-8.0%over 4 years28 February 1995
£25,000
Median price across the last 5 sales in DL17 8AZ: £50,000 (2025–2024).
Nearby sales in DL17 8AZ
Everything we know about 28 Bertha Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Bertha Street homes
Years Held for 28 Bertha Street lags the street by a wide margin.
Price per m²
£623
Street avg £691
Floor Area
65 m²
Street avg 74 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.1 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Rutherford Terrace — bus stop.
Closest school
0.4 km
Broom Cottages Primary & Nursery School. 7 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
47.6dB

Night-time· 23:00 – 07:00
37.4dB