21 Mill Street, Colnbrook, Slough, SL3 0JJ is a freehold terraced property built before 1900. The property offers approximately 635 square feet of living space. In this location, properties of similar size usually have one bedroom.

The estimated current market value of the property is £458,742 , which equates to approximately £722 per square foot. It was last sold on 28 May 1999 for £98,500. Since then, the value has increased by £360,242, representing a 365.7% increase, or approximately 13.8% per year.

The current estimated value of £458,742 is:

  • 23.3% higher than the average property price on Mill Street
  • 28.3% lower than the average in the SL3 0JJ postcode area
  • and 16.7% higher than the average price for Slough as a whole

At the most recent EPC inspection on 24 September 2025, the property was recorded as owner-occupied.

View sold house prices in SL3 0JJ

Building approximate location

About Property

Type
Terraced House
Built
before 1900
Interior Size
635 sq ft
Tenure
Freehold
Price (estimate)
£458,742
Price Per sq ft (estimate)
£722
Bedroom Count (estimate)
1 bedroom

EPC Summary

21 Mill Street, Colnbrook, Slough, SL3 0JJ has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 24 Sep 2025.

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.

Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 100 mm loft insulation
Average
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Average
Lighting
Good lighting efficiency
Good

Sale History

Today
£458,742
streetscan.co.uk estimate
+366 %
28 May 1999
£98,500
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 4
size: 618 sq ft
sale price: £167,105
sale date: 11 Mar 2005
rooms: 4
size: 700 sq ft
sale price: £175,000
sale date: 11 Jun 2010
rooms: 4
size: 667 sq ft
sale price: £53,000
sale date: 4 Oct 1996

Data Sources

The property at 21 Mill Street, Colnbrook, Slough, SL3 0JJ appears once in the Land Registry records, with the transaction recorded on 28 May 1999. It also has a single Energy Performance Certificate (EPC) from 24 Sep 2025. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.