37 PORTLAND ROAD, TW15 3BU is a Detached in Ashford, Surrey, England. It last sold for £525,000 in 2025. Its current EPC rating is D (score 68 out of 100), with potential to reach B. Floor area is approximately 85 m². This works out at about £6,176 per m², 22% above the town average of £5,052 per m² (context, not a valuation). Tenure: Freehold. Local authority: Spelthorne.
37 PORTLAND ROAD
ASHFORD, SURREY · TW15 3BU
Things you should know
A quick summary of this property, drawn from its records.
It's a detached property, held freehold, with 85 m² of floor area.
Last sold for £525,000 in May 2025 — up 33% since its first recorded sale. · HM Land Registry
That sale works out at ~£6,176/m² — 22% above the town average of £5,052/m² (2,591 sales). · Context, not a valuation
Energy rating EPC D (score 68/100), with potential to reach B. · EPC, inspected 2022
Built 1930–1949. · Construction age band, from EPC
Facts from HM Land Registry (sales) and the EPC register (energy), under the Open Government Licence. Area comparisons are context, not a valuation or financial advice. Figures are as per our current dataset, which we're expanding continually.
Property Overview
Key facts from EPC & HM Land Registry records.
Built Form
Detached
Tenure
Freehold
Floor Area
85 m²
≈ 915 sq ft
Year Built
1930–1949
Construction age band, from EPC
Current EPC Rating
Band D · Score 68/100
Potential Band B · Valid until 12 December 2032
Local Authority
Spelthorne↗
📍 Approximate location based on postcode centroid. Exact pin coming soon.
Value Insights
Price metrics derived from sale price and floor area.
Price per square metre
£6,176 /m²
Based on the 2025 sale
£/m² vs ASHFORD
+22% above the average sale price
Area avg £5,052/m² · 2,591 sales
Floor area
85 m²
≈ 915 sq ft · from EPC
Last sale price
£525,000
23 May 2025
£/m² over time: 2021: £4,647 → 2025: £6,176
How This Compares
How this property's 2025 sale price of £525,000 compares with the average sale price nearby — based on recorded house prices (not £/m²).
vs TW15 postcode area
TW15 average sale price: £416,357 · based on 2,873 sales
vs ASHFORD average
ASHFORD average sale price: £416,357 · based on 2,873 sales
Averages are across all property types sold 2020–2026 in our dataset, so they reflect the mix of homes in the area rather than like-for-like.
Sales History
2 sales recorded
Last sold
£525,000
23 May 2025
Total growth
+32.9%
First → latest sale
Annualised
+6.9%/yr
Average per year (CAGR)
Held for
4.3 yr
Between recorded sales
Price journey
£395,000 → £525,000
2021 → 2025
Price History
How this property's sale price has changed over time.
Sale price history for 37 PORTLAND ROAD. Sold for £395,000 in 2021 and £525,000 in 2025, an increase of £130,000 (33%), about 7.4% per year.
+£130,000 over 4 years
≈ 7.4% per year
Summary: Sale price history for 37 PORTLAND ROAD. Sold for £395,000 in 2021 and £525,000 in 2025, an increase of £130,000 (33%), about 7.4% per year.
23 May 2025
Latest£525,000
Detached · Freehold
12 February 2021
£395,000
Detached · Freehold
EPC Intelligence
Energy Performance Certificate history for this property.
Energy Efficiency Over Time
Year-on-year EPC score progression for this property.
EPC energy efficiency scores for 37 PORTLAND ROAD. The property scored 48 (Rating E) in 2015 and 68 (Rating D) in 2022, an improvement of 20 points.
Point improvement
2015 to 2022
Summary: EPC energy efficiency scores for 37 PORTLAND ROAD. The property scored 48 (Rating E) in 2015 and 68 (Rating D) in 2022, an improvement of 20 points.
Rating D · Score 68
LatestInspected 12 December 2022
Valid until 12 December 2032
Potential
Floor Area
85 m²
Construction Era
1930–1949
CO₂ Emissions
3.1 t/yr
Mains Gas
Yes
Walls
Solid brick, as built, no insulation (assumed)
Very PoorRoof
Pitched, 100 mm loft insulation
AverageWindows
Fully double glazed
GoodMain Heating
Boiler and radiators, mains gas
GoodRating E · Score 48
Inspected 27 June 2015
Expired 27 June 2025
Potential
Floor Area
83 m²
Construction Era
1900–1929
CO₂ Emissions
5.3 t/yr
Mains Gas
Yes
Walls
Solid brick, as built, no insulation (assumed)
Very PoorRoof
Pitched, no insulation (assumed)
Very PoorWindows
Fully double glazed
AverageMain Heating
Boiler and radiators, mains gas
GoodiHow is the EPC score calculated?
The score (1–100) is the property's energy efficiency rating, produced by an accredited Domestic Energy Assessor using the UK Government's Standard Assessment Procedure (SAP). A higher score means a more energy-efficient home that's cheaper to run.
It's calculated from the property's physical characteristics, including:
- Size & floor area
- Construction & age
- Wall, roof & floor insulation
- Windows / glazing
- Main heating & controls
- Hot water & lighting
These are the factors shown in the certificates above. The score maps to a band — A (92–100, most efficient) down to G(1–20). The "potential" score is what could be achieved with the recommended improvements. Source: MHCLG EPC Register.
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