According to data from HM Land Registry, 21, Gloucester Avenue, Sunderland sits on a plot of 129 m².

We have plot size data on 24 out of 24 other houses in the postcode and 21, Gloucester Avenue, Sunderland sits on the 17th largest plot.

21, Gloucester Avenue, Sunderland has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Nov 2009.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 21, Gloucester Avenue, Sunderland was last sold on 26th February 2010 for £123,500 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since February 2010, the market for similar properties has risen by 24.8%.

• Sold Feb 2010£123,500

According to the Land Registry and our network of Estate Agents, there have been 168 sales of properties similar to 21, Gloucester Avenue, Sunderland within a radius of 460 metres since 2016.

The most recent example is 25, Coley Terrace, Sunderland, SR6 9HL, a freehold house which sold for £215,000 on the 19th December 2025.

Read more about house prices in SR6.

• Sold Dec 2025£215,000 | 3 Bed House25, Coley Terrace, Sunderland, SR6 9HL25, Coley Terrace, Sunderland, SR6 9HL
• Sold Dec 2025£179,980 | 3 Bed House2, Marshall Street, Sunderland, SR6 9BG2, Marshall Street, Sunderland, SR6 9BG
• Sold Oct 2025£164,950 | 3 Bed House101, Atkinson Road, Sunderland, SR6 9AT101, Atkinson Road, Sunderland, SR6 9AT
• Sold Jun 2025£220,000 | 3 Bed House94, Atkinson Road, Sunderland, SR6 9AX94, Atkinson Road, Sunderland, SR6 9AX
• Sold Jun 2025£185,000 | 3 Bed House107, Atkinson Road, Sunderland, SR6 9AT107, Atkinson Road, Sunderland, SR6 9AT
• Sold Mar 2025£205,500 | 3 Bed House16, Coley Terrace, Sunderland, SR6 9HL16, Coley Terrace, Sunderland, SR6 9HL
• Sold Aug 2024£179,950 | 3 Bed House79, Annie Street, Sunderland, SR6 9BJ79, Annie Street, Sunderland, SR6 9BJ
• Sold Sep 2023£170,000 | 3 Bed House127, Atkinson Road, Sunderland, SR6 9AX127, Atkinson Road, Sunderland, SR6 9AX
• Sold Jun 2023£180,000 | 3 Bed House1, Gloucester Avenue, Sunderland, SR6 9ED1, Gloucester Avenue, Sunderland, SR6 9ED
• Sold Apr 2023£174,950 | 3 Bed House35, Maud Street, Sunderland, SR6 9EJ35, Maud Street, Sunderland, SR6 9EJ
• Sold Apr 2022£175,000 | 3 Bed House96, Atkinson Road, Sunderland, SR6 9AX96, Atkinson Road, Sunderland, SR6 9AX
• Sold Sep 2021£185,000 | 3 Bed House80, Atkinson Road, Sunderland, SR6 9AT80, Atkinson Road, Sunderland, SR6 9AT
• Sold Dec 2019£116,000 | 3 Bed House12, Gloucester Avenue, Sunderland, SR6 9ED12, Gloucester Avenue, Sunderland, SR6 9ED
• Sold Sep 2019£172,500 | 3 Bed House24, Ashleigh Grove, Sunderland, SR6 9EF24, Ashleigh Grove, Sunderland, SR6 9EF
• Sold Mar 2019£133,000 | 3 Bed House102, Atkinson Road, Sunderland, SR6 9AX102, Atkinson Road, Sunderland, SR6 9AX
• Sold Oct 2018£160,000 | 3 Bed House17, Gloucester Avenue, Sunderland, SR6 9ED17, Gloucester Avenue, Sunderland, SR6 9ED
• Sold Sep 2018£127,000 | 3 Bed House112, Atkinson Road, Sunderland, SR6 9AX112, Atkinson Road, Sunderland, SR6 9AX
• Sold Mar 2017£144,000 | 3 Bed House7, Gloucester Avenue, Sunderland, SR6 9ED7, Gloucester Avenue, Sunderland, SR6 9ED
• Sold Jun 2016£130,000 | 3 Bed House110, Atkinson Road, Sunderland, SR6 9AX110, Atkinson Road, Sunderland, SR6 9AX
• Sold Apr 2016£138,000 | 3 Bed House131, Atkinson Road, Sunderland, SR6 9AX131, Atkinson Road, Sunderland, SR6 9AX

Gloucester Avenue, Sunderland, SR6 has a total of 24 addresses. According to our analysis of all the public data, 21, Gloucester Avenue, Sunderland is the 21st largest and the 21st most expensive property on the street.

When compared to the postcode district it is £12k more expensive than the average property in SR6.

• Fulwell Junior School

  200 m away
• Fulwell Infant School Academy

  200 m away
• St Benet's Roman Catholic Voluntary Aided Primary School

  800 m away

• Monkwearmouth Academy

  1.1 km away
• Whitburn Church of England Academy

  2.6 km away
• Red House Academy

  3.0 km away

• Sunderland

  |

  2.8 km away
• Seaham

  |

  10.6 km away
• Heworth

  |

  11.9 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.