25 Bertha Street, Ferryhill, DL17 8AZ
About 25 Bertha Street
25 Bertha Street is a two-bedroom mid-terrace house in Ferryhill (DL17 8AZ). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (October 2024) shows a C (score 73). When first surveyed in November 2013 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average and roof efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 88). Period features are noted in the property record.
Across 2014–2025, sale prices on this property compounded at 3.4% per year. Today's modelled estimate of £103,000 sits 98.1% above the 2025 sale of £52,000. On a £-per-square-foot basis, the last sale (£60/sq ft) was about 43.2% above the typical sold price in the postcode. A recent sale: £52,000 in October 2025. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs).
Know exactly what you're buying at 25 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
Building
- Heating systemGas
- Period featuresYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Loft insulation installed or upgraded to 250mm+
Planning history
25 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 25 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
25 Bertha Street valuation sits well clear of the typical sold price in this postcode.
£103,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 11 years.
£52,000
Growth on file: 3.4% per year over 11 years.
Sales timeline
29 October 2025Most recent
£52,000
+44.4%over 10 years3 November 2014
£36,000
Median price across the last 5 sales in DL17 8AZ: £40,500 (2025–2024).
Nearby sales in DL17 8AZ
Everything we know about 25 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
On years held, 25 Bertha Street runs well behind the street norm.
Price per m²
£650
Street avg £690
Floor Area
80 m²
Street avg 73 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