Mainsforth House, Mainsforth, Ferryhill, DL17 9AA
About Mainsforth House
Mainsforth House is a detached house in Mainsforth, Ferryhill, Ferryhill (DL17 9AA). It has a recorded floor area of 433 m² (around 4661 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (January 2016) shows a D (score 55), a step below the typical UK home. When first surveyed in September 2010 the rating was G, the property has climbed 3 bands since. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Very Poor to Average and hot-water efficiency went from Very Poor to Good. The recommended improvements would push it to C (score 79). Main heating runs on anthracite. The latest certificate is from January 2016, so improvements made since then won't be reflected.
Untraded for 15 years, with the last transfer in March 2011. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £733,000 is 46.6% above the 2011 sale price.
Know exactly what you're buying at Mainsforth House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Mainsforth House's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Jan 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
Solar water heating installed
Switched from solid fuel to cleaner energy source
Hot water efficiency improved
Fuel source changed
Hot water efficiency decreased
Loft insulation installed or upgraded to 250mm+
Planning history
Mainsforth House has an approved single-storey rear extension on the planning record.
- Nov 2018Tree WorksTreesIn report
Trimming of 4no. branches of Ash tree up to the common boundary with 'Home Farm'
- Documents
- 1 doc on file
- Reference
- DM/18/03016/TCA
- Nov 2015ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of single storey rear extension to replace existing connecting corridor
- Documents
- 20 docs on file
- Reference
- DM/15/02167/FPA
What's in Mainsforth House, Mainsforth, Ferryhill, DL17 9AA's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Mainsforth House valuation sits well clear of the typical sold price in this postcode.
£733,000
Modelled from EPC, postcode comparables.
£499,999
Recorded with HM Land Registry.
Sales timeline
25 March 2011Most recent
£499,999
Median price across the last 5 sales in DL17 9AA: £265,000 (2024–2020).
Nearby sales in DL17 9AA
Forge Cottage, Mainsforth, Ferryhill, DL17 9AA
Sold Jul 2024
£160,000Fair Acre, Mainsforth, Ferryhill, DL17 9AA
Sold Jun 2023
£330,000Ryton, Mainsforth, Ferryhill, DL17 9AA
Sold Jun 2021
£625,000The Villa, Mainsforth, Ferryhill, DL17 9AA
Sold Feb 2021
£265,000Lilac Cottage, Mainsforth, Ferryhill, DL17 9AA
Sold Jul 2020
£210,000
Everything we know about Mainsforth House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Similar properties nearby
1 Broadoaks, Bishop Middleham
DL17 9BW
1 Garmondsway Court, West Cornforth
DL17 9HE
1 Bishops Court, Bishop Middleham
DL17 9DA
1 Front Street, Bishop Middleham
DL17 9AJ
1 Bank Top, Bishop Middleham
DL17 9AW
1 Church Street, Bishop Middleham
DL17 9AF
1 Garmondsway Road, West Cornforth
DL17 9HD
1 Beech Villas, West Cornforth
DL17 9PJ
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
0.2 km
Village — bus stop.
Closest school
1.2 km
Ferryhill Station Primary School. 5 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
48.3dB

Night-time· 23:00 – 07:00
38.2dB