11 De Walden Mews, Eastbourne, BN20 7QU
About 11 De Walden Mews
11 De Walden Mews is a two-bedroom mid-terrace house in Eastbourne (BN20 7QU). It has a recorded floor area of 91 m² (around 980 sq ft) and construction records dating it to 1996-2002. The latest certificate (August 2022) shows a C (score 72). When first surveyed in January 2009 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Average and hot-water efficiency went from Very Poor to Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 84).
Sold March 2023 for £367,500. Across the public record there are 6 sales, relatively high churn for a single property. Across 2000–2023, sale prices on this property compounded at 4% per year. On a £-per-square-foot basis, the last sale (£375/sq ft) was about 84.9% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- DrivewayYes
Building
- RefurbishedYes
Everything you need to know about 11 De Walden Mews
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
External or internal wall insulation added
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
11 De Walden Mews has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2000.
£389,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 23 years.
£367,500
Growth on file: 4.0% per year over 23 years.
Sales timeline
27 March 2023Most recent
£367,500
+47.9%over 13 years7 July 2009
£248,500
+24.3%20 March 2009
£199,950
-20.0%over 4 years11 July 2004
£250,000
+37.0%over 1 year17 October 2002
£182,500
+21.7%over 2 years27 June 2000
£150,000
Median price across the last 5 sales in BN20 7QU: £360,000 (2025–2021).
Nearby sales in BN20 7QU
Versus other De Walden Mews homes
Price per m² for 11 De Walden Mews runs comfortably ahead of the street norm.
Price per m²
£4,038
Street avg £3,104
Floor Area
91 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.0 t/year
Street avg 3.2 t/year
Everything you need to know about 11 De Walden Mews
The true value, the hidden risks and the full sale history, in one report.
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One time fee only - money back guarantee

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Dalton Road — bus stop.
Closest school
0.7 km
St John's Meads Church of England Primary School. 9 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
49.4dB

Night-time· 23:00 – 07:00
38.9dB






