Flat 1, 21 Glebe Side, Twickenham, TW1 1DB is a leasehold flat built between 1930-1949. The property offers approximately 549 square feet of living space and is situated on the 1st floor of a 1-storey building. In this location, apartments of similar size usually have one bedroom.

The estimated current market value of the property is £392,559 , which equates to approximately £715 per square foot. It was last sold on 7 Jul 2016 for £395,000. Since then, the value has decreased by £2,441, representing a 0.6% decrease, or approximately 0.1% per year.

The current estimated value of £392,559 is:

  • 30.8% lower than the average property price on Glebe Side
  • 32.2% lower than the average in the TW1 1DB postcode area
  • and 52.3% lower than the average price for Twickenham as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. 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 19 March 2026, the property was recorded as owner-occupied.

View sold house prices in TW1 1DB

Building approximate location

About Property

Type
Flat
Built
1930-1949
Interior Size
549 sq ft
Tenure
Leasehold
Floor level
1st floor of 1
Price (estimate)
£392,559
Price Per sq ft (estimate)
£715
Bedroom Count (estimate)
1 bedroom

EPC Summary

Flat 1, 21 Glebe Side, Twickenham, Richmond Upon Thames, Greater London, TW1 1DB has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 19 Mar 2026.

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 4 Mar 2016, when the property was rated B. The current rating of C reflects a decline in energy efficiency of 11%.

Since the previous assessment, several changes were observed:

  • The heating system changed from boiler and underfloor heating, mains gas to boiler and radiators, mains gas, with no change in energy efficiency (good).
  • The roof construction or insulation changed from average thermal transmittance 0.17 w/m-¦k to (another dwelling above), changing energy efficiency from good to n/a.
  • The wall construction or insulation changed from average thermal transmittance 0.24 w/m-¦k to solid brick, as built, no insulation (assumed), changing energy efficiency from very good to poor.
  • The windows were upgraded from high performance glazing to fully double glazed.
  • The lighting was changed from low energy lighting in 84% of fixed outlets to excellent lighting efficiency, with no change in efficiency (very good).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Walls
Solid brick, as built, no insulation (assumed)
Poor
Windows
Fully double glazed
Average
Lighting
Excellent lighting efficiency
Very Good

Compared to TW1 1DB

12 th / 12
Price Rank
32% lower than average
8 th / 8
Size Rank
39% smaller than average
3 rd / 8
Price Per Sq FT Rank
11% higher than average

Sale History

Today
£392,559
streetscan.co.uk estimate
-1 %
7 Jul 2016
£395,000
Leasehold

Flood Risk for this Property

Flood risk from rivers and the sea
Low flood risk
Flood risk from surface water
Very low flood risk
Surface water flood hazard
No mapped risk

* 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 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 very low 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 Low
  • 0.3m depth Very low
  • 0.6m depth Very low
  • 0.9m depth Very low
  • 1.2m depth Very low
Surface Water
  • 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

Area Insights

Similar Properties Sold Nearby

rooms: 2
size: 549 sq ft
sale price: £365,000
sale date: 21 Feb 2025

Data Sources

The property at Flat 1, 21 Glebe Side, Twickenham, TW1 1DB appears once in HM Land Registry records, with the transaction recorded on 7 Jul 2016. It also has two Energy Performance Certificate (EPC) records, the earliest dating back to 19 Mar 2026. 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.