1a, Cedar Lawn, Romsey, SO51 7US
About 1a
1a is a detached house in Romsey (SO51 7US). It has a recorded floor area of 207 m² (around 2228 sq ft). The latest certificate (October 2019) returns a high B (score 88), putting the home a stone's throw from an A rating.
At 207 m² the property is well over the postcode median (157 m² across 7 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). 2 planning records sit against the property, 0 approved, 0 refused. Across 2018–2018, sale prices on this property compounded at 200% per year. Today's modelled estimate of £899,000 is 19.9% above the 2018 sale price. Sold December 2018 for £750,000.
Know exactly what you're buying at 1a
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
Achieving this rating across a home of this size is uncommon — larger homes typically score lower.
EPC Rating
Planning history
1a has 2 separate extension applications on the council record.
- Dec 2019ConservatoryFullIn report
Extension: Single storey
Single storey orangery extension (retrospective)
- Agent
- The Genesis Design Studio Ltd
RetrospectiveExtension- Documents
- 14 docs on file
- Reference
- 19/02769/FULLS
- Nov 2019ExtensionOutlineIn report
Extension: Single storey · Side of property
Certificate of proposed lawful development for a single storey side extension
- Documents
- 7 docs on file
- Reference
- 19/02027/CLPS
We flagged 2 things worth checking at 1a
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
1a has more than tripled in price since its earliest registered sale in 2018.
£899,000
Modelled from EPC, postcode comparables and a sale-price growth of 200.0% per year over 1 year.
£750,000
Growth on file: 200.0% per year over 1 year.
Sales timeline
14 December 2018Most recent
£750,000
+200.0%28 June 2018
£250,000
Median price across the last 5 sales in SO51 7US: £662,500 (2024–2016).
Everything we know about 1a, 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 Cedar Lawn homes
On epc rating, 1a stands well clear of the street.
Price per m²
£3,623
Street avg £4,247
Floor Area
207 m²
Street avg 166 m²
CO₂ Emissions
2.2 t/year
Street avg 5.0 t/year
Years Held
7 years
Street avg 8 years
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Campion Drive — bus stop.
Closest school
0.5 km
Cupernham Junior School. 8 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
50.1dB

Night-time· 23:00 – 07:00
39.8dB