15 Illingworth, Windsor, SL4 4UP is a freehold detached property built between 1976-1982. The property offers approximately 1,905 square feet of living space. In this location, properties of similar size usually have six bedrooms.

The estimated current market value of the property is £1,385,610 , which equates to approximately £727 per square foot. It was last sold on 30 Apr 2014 for £920,000. Since then, the value has increased by £465,610, representing a 50.6% increase, or approximately 4.2% per year.

The current estimated value of £1,385,610 is:

  • 11.4% higher than the average property price on Illingworth
  • 12.2% higher than the average in the SL4 4UP postcode area
  • and 111.6% higher than the average price for Windsor as a whole

Based on EPC inspection history, this property has been mostly owner-occupied (3 out of 3 inspections). This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 6 March 2015, the property was recorded as owner-occupied.

View sold house prices in SL4 4UP

Building approximate location

About Property

Type
Detached House
Built
1976-1982
Interior Size
1905 sq ft
Tenure
Freehold
Price (estimate)
£1,385,610
Price Per sq ft (estimate)
£727
Bedroom Count (estimate)
6 bedrooms

EPC Summary

15 Illingworth, Windsor, Windsor And Maidenhead, SL4 4UP has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 6 Mar 2015.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows are fully double glazed.

The previous EPC assessment was conducted on 10 Oct 2014, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 4.5%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 200 mm loft insulation to pitched, 100 mm loft insulation, changing energy efficiency from good to average.
  • The lighting was changed from low energy lighting in 74% of fixed outlets to low energy lighting in 95% of fixed outlets, with no change in efficiency (very good).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 100 mm loft insulation
Average
Walls
Cavity wall, as built, partial insulation (assumed)
Average
Windows
Fully double glazed
Good
Lighting
Low energy lighting in 95% of fixed outlets
Very Good

Compared to SL4 4UP

16 th / 57
Price Rank
12% higher than average
17 th / 42
Size Rank
1% smaller than average
13 th / 42
Price Per Sq FT Rank
13% higher than average

Sale History

Today
£1,385,610
streetscan.co.uk estimate
+51 %
30 Apr 2014
£920,000
Freehold
+34.3 %
11 Dec 2006
£685,000
Freehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
High flood risk
Surface water flood hazard
High

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has very low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has high surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth Medium
  • 0.3m depth Low
  • 0.6m depth Very low
  • 0.9m depth Very low
  • 1.2m depth Very low

Area Insights

Similar Properties Sold Nearby

rooms: 8
size: 1744 sq ft
sale price: £1,200,000
sale date: 18 Aug 2025
rooms: 9
size: 1625 sq ft
sale price: £1,090,000
sale date: 30 Jun 2023
rooms: 9
size: 1884 sq ft
sale price: £1,060,000
sale date: 5 Dec 2022
rooms: 8
size: 2024 sq ft
sale price: £1,130,000
sale date: 15 Jul 2021
rooms: 8
size: 1873 sq ft
sale price: £1,220,000
sale date: 12 Nov 2020

Data Sources

The property at 15 Illingworth, Windsor, SL4 4UP appears two times in HM Land Registry records, with the latest transaction recorded on 30 Apr 2014. It also has three Energy Performance Certificate (EPC) records, the earliest dating back to 6 Mar 2015. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.