5 Bertha Street, Ferryhill, DL17 8AZ
About 5 Bertha Street
5 Bertha Street is a 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 before 1900 and council tax band A. The latest certificate (August 2018) shows a C (score 70). The rating has held steady at C across 2 certificates since October 2008. Between certificates, wall efficiency went from Poor to Average and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 88).
Across 1998–2022, sale prices on this property compounded at 6.7% per year. Today's modelled estimate of £114,000 sits 72.7% above the 2022 sale of £65,999. On a £-per-square-foot basis, the last sale (£94/sq ft) was about 123.8% above the typical sold price in the postcode. Sold May 2022 for £65,999. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs).
Know exactly what you're buying at 5 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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Cavity wall insulation installed
More low energy lighting installed
Planning history
5 Bertha Street has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 2 things worth checking at 5 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
- Recent ownership pattern worth a look
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Sales history & valuation
Price for 5 Bertha Street has grown more than fourfold since the 1998 starting point.
£114,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 24 years.
£65,999
Growth on file: 6.7% per year over 24 years.
Sales timeline
12 May 2022Most recent
£65,999
+57.1%20 December 2021
£42,000
+140.0%over 19 years2 May 2002
£17,500
+25.0%over 3 years10 August 1998
£14,000
Median price across the last 5 sales in DL17 8AZ: £40,500 (2025–2024).
Nearby sales in DL17 8AZ
Everything we know about 5 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
- Recent ownership pattern worth a look

Versus other Bertha Street homes
On price per m², 5 Bertha Street stands well clear of the street.
Price per m²
£1,015
Street avg £674
Floor Area
65 m²
Street avg 74 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 4.2 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