18 Underlane, Plymstock, Plymouth, PL9 9JX
About 18 Underlane
18 Underlane is a four-bedroom detached house in Plymstock, Plymouth, Plymouth (PL9 9JX). It has a recorded floor area of 151 m² (around 1624 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2011) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2009. Between certificates, hot-water efficiency went from Average to Very Good, lighting went from Very Poor to Average and main heating went from Good to Very Good; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 74). The latest certificate is from February 2011, so improvements made since then won't be reflected. Other recorded features include a basement. Our model identifies extension potential, subject to local planning policy.
At 151 m² the property is well over the postcode median (79 m² across 13 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in June 2011, so it's been off the market for around 15 years. Across 2009–2011, sale prices on this property compounded at 23.4% per year. Today's modelled estimate of £437,000 is 26.7% above the 2011 sale price.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
- BasementYes
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemGas
- Extension potentialPossible
Energy performance
18 Underlane's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 21 Feb 2021
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
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Planning history
18 Underlane has an approved rear extension on the planning record.
3 applications on record at 18 Underlane, Plymstock, Plymouth, PL9 9JX
- Oct 2009ExtensionFullOutcome in report
Extension: Rear of property
Rear extension
- Documents
- 6 docs on file
- Reference
- 09/01190/FUL
- More recent applications — locked
- ExtensionAug 2016Decision
- ExtensionJan 2010Decision
Unlock 18 Underlane, Plymstock, Plymouth, PL9 9JX's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full
- The 21 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 18 Underlane was the highest on Land Registry record across the postcode.
£437,000
Modelled from EPC, postcode comparables and a sale-price growth of 23.4% per year over 2 years.
£345,000
Growth on file: 23.4% per year over 2 years.
Sales timeline
27 June 2011Most recent
£345,000
+50.0%over 1 year23 July 2009
£230,000
Median price across the last 5 sales in PL9 9JX: £230,000 (2020–2015).
Nearby sales in PL9 9JX
38 Underlane, Plymstock, Plymouth, PL9 9JX
Sold Oct 2020
£255,00030 Underlane, Plymstock, Plymouth, PL9 9JX
Sold Aug 2019
£230,00034 Underlane, Plymstock, Plymouth, PL9 9JX
Sold Feb 2018
£265,00032 Underlane, Plymstock, Plymouth, PL9 9JX
Sold May 2016
£225,00036 Underlane, Plymstock, Plymouth, PL9 9JX
Sold Nov 2015
£210,000
Versus other Underlane homes
18 Underlane outperforms the street on floor area by a wide margin.
Price per m²
£2,287
Street avg £2,447
Floor Area
151 m²
Street avg 82 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.3 t/year
Street avg 3.9 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
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Hilldale Road — bus stop.
Closest school
0.4 km
Goosewell Primary Academy. 10 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
48.2dB

Night-time· 23:00 – 07:00
37.7dB







