4 Bertha Street, Ferryhill, DL17 8AZ
About 4 Bertha Street
4 Bertha Street is a mid-terrace house in Ferryhill (DL17 8AZ). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (December 2025) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in September 2010 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Poor to Average; while wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 84), a 2-band jump. This certificate was lodged in the last six months, so the rating reflects current condition.
Across 1998–2023, sale prices on this property compounded at 5.9% per year. Today's modelled estimate of £114,000 is 32.6% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£107/sq ft) was about 153.7% above the typical sold price in the postcode. Last sale on file: £85,999 in July 2023.
Know exactly what you're buying at 4 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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Planning history
4 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 4 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
Latest sale on 4 Bertha Street was the highest on Land Registry record across the postcode.
£114,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 25 years.
£85,999
Growth on file: 5.9% per year over 25 years.
Sales timeline
12 July 2023Most recent
£85,999
+59.3%10 April 2023
£54,000
+170.0%over 25 years27 February 1998
£20,000
Median price across the last 5 sales in DL17 8AZ: £40,500 (2025–2024).
Nearby sales in DL17 8AZ
Everything we know about 4 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
Price per m² for 4 Bertha Street runs comfortably ahead of the street norm.
Price per m²
£1,147
Street avg £668
Floor Area
75 m²
Street avg 73 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.3 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