Llwyn Isa Farmhouse, Derwen, Corwen, LL21 9SH
About Llwyn Isa Farmhouse
Llwyn Isa Farmhouse is a detached house in Derwen, Corwen, Corwen (LL21 9SH). It has a recorded floor area of 366 m² (around 3940 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (April 2019) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 78). Main heating runs on electricity.
At 366 m² the property is well over the postcode median (158 m² across 4 EPCs), placing it in the larger end of the local stock. 11 planning records sit against the property, 10 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations.
Know exactly what you're buying at Llwyn Isa Farmhouse
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
Llwyn Isa Farmhouse's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Llwyn Isa Farmhouse has multiple listed-building consents on file — alterations need formal heritage approval.
- Jul 2017ConditionsIn report
Manylion y plannu a lliw allanol y waliau a'r to a gyflwynwyd yn unol ag amodau rhifau 3 a 4 o caniatad cynllunio rhif cod 12/2016/1157 / Details of planting and external colour of the walls and roof submitted in accordance with condition no's 3 and 4 of planning permission code no. 12/2016/1157
- Documents
- 4 docs on file
- Reference
- 12/2017/0612
- Feb 2017New BuildFullIn report
Codi adeilad amaethyddol at ddibenion cyffredinol ac adeiladu trac mynediad / Erection of general purpose agricultural building and construction of access track
- Documents
- 13 docs on file
- Reference
- 12/2016/1157
What's in Llwyn Isa Farmhouse, Derwen, Corwen, LL21 9SH's planning history?
9 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Llwyn Isa Farmhouse has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£771,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in LL21 9SH: £398,000 (2024–2010).
Nearby sales in LL21 9SH
Everything we know about Llwyn Isa Farmhouse, 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?

Versus the street
Llwyn Isa Farmhouse outperforms the street on floor area by a wide margin.
EPC Rating
58 (D)
Street avg 56 (D)
Floor Area
366 m²
Street avg 149 m²
CO₂ Emissions
18.0 t/year
Street avg 7.3 t/year
Habitable Rooms
11 rooms
Street avg 5 rooms
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.9 km
Is Awel — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.