FLAT 1 THE POST HOUSE, 1 KNAPP ROAD, TW15 2HZ is a Flat in Ashford, Surrey, England. It last sold for £344,250 in 2023. Its current EPC rating is C (score 79 out of 100), with potential to reach A. Floor area is approximately 74 m². This works out at about £4,652 per m², 8% below the town average of £5,052 per m² (context, not a valuation). Tenure: Leasehold. Local authority: Spelthorne.
FLAT 1 THE POST HOUSE, 1 KNAPP ROAD
ASHFORD, SURREY · TW15 2HZ
Things you should know
A quick summary of this property, drawn from its records.
It's a flat property, held leasehold, with 74 m² of floor area.
Last sold for £344,250 in August 2023 — down 10% since its first recorded sale. · HM Land Registry
That sale works out at ~£4,652/m² — 8% below the town average of £5,052/m² (2,591 sales). · Context, not a valuation
Energy rating EPC C (score 79/100), with potential to reach A. · EPC, inspected 2023
Built 2023. · New build · HM Land Registry
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
End-Terrace
Tenure
Leasehold
Floor Area
74 m²
≈ 797 sq ft
Year Built
2023
New build · HM Land Registry
Current EPC Rating
Band C · Score 79/100
Potential Band A · Valid until 11 July 2033
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
£4,652 /m²
Based on the 2023 sale
£/m² vs ASHFORD
−8% below the average sale price
Area avg £5,052/m² · 2,591 sales
Floor area
74 m²
≈ 797 sq ft · from EPC
Last sale price
£344,250
15 August 2023
£/m² over time: 2023: £5,141 → 2023: £4,652
How This Compares
How this property's 2023 sale price of £344,250 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
£344,250
15 August 2023
Total growth
−9.5%
First → latest sale
Held for
1 mo
Between recorded sales
Price journey
£380,450 → £344,250
2023 → 2023
Price History
How this property's sale price has changed over time.
Sale price history for FLAT 1 THE POST HOUSE, 1 KNAPP ROAD. Sold for £380,450 in 2023 and £344,250 in 2023, a decrease of £36,200 (10%).
−£36,200 over the period
Summary: Sale price history for FLAT 1 THE POST HOUSE, 1 KNAPP ROAD. Sold for £380,450 in 2023 and £344,250 in 2023, a decrease of £36,200 (10%).
15 August 2023
Latest£344,250
Flat · Leasehold
18 July 2023
£380,450
Flat · Leasehold · New build
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 FLAT 1 THE POST HOUSE, 1 KNAPP ROAD. The property scored 79 (Rating C) in 2022 and 79 (Rating C) in 2023, a change of 0 points.
Point change
2022 to 2023
Summary: EPC energy efficiency scores for FLAT 1 THE POST HOUSE, 1 KNAPP ROAD. The property scored 79 (Rating C) in 2022 and 79 (Rating C) in 2023, a change of 0 points.
Rating C · Score 79
LatestInspected 11 July 2023
Valid until 11 July 2033
Potential
Floor Area
74 m²
Construction Era
2023
CO₂ Emissions
1.4 t/yr
Mains Gas
—
Walls
Average thermal transmittance 0.25 W/m²K
Very GoodRoof
Average thermal transmittance 0.16 W/m²K
GoodWindows
High performance glazing
Very GoodMain Heating
Boiler and radiators, mains gas
GoodRating C · Score 79
Inspected 9 November 2022
Valid until 9 November 2032
Potential
Floor Area
74 m²
Construction Era
2022
CO₂ Emissions
1.4 t/yr
Mains Gas
—
Walls
Average thermal transmittance 0.25 W/m
Very GoodRoof
Average thermal transmittance 0.16 W/m
GoodWindows
High performance glazing
Very GoodMain 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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