According to data from HM Land Registry, 21, Gilbert Avenue, Biggleswade sits on a plot of 257 m².

We have plot size data on 21 out of 21 other houses in the postcode and 21, Gilbert Avenue, Biggleswade sits on the 5th largest plot.

21, Gilbert Avenue, Biggleswade has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 17 Oct 2014.

The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 21, Gilbert Avenue, Biggleswade was last sold on 28th January 2021 for £310,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since January 2021, the market for similar properties has risen by 8.3%.

• Sold Jan 2021£310,000
• Sold Oct 2014£210,000

According to the Land Registry and our network of Estate Agents, there have been 312 sales of properties similar to 21, Gilbert Avenue, Biggleswade within a radius of 640 metres since 2020.

The most recent example is 3, Thames Bank, Biggleswade, SG18 8NW, a freehold house which sold for £365,000 on the 14th May 2026.

Read more about house prices in SG18.

• Sold May 2026£365,000 | 3 Bed House3, Thames Bank, Biggleswade, SG18 8NW3, Thames Bank, Biggleswade, SG18 8NW
• Sold Dec 2025£362,500 | 3 Bed House17, Ribble Mead, Biggleswade, SG18 8NN17, Ribble Mead, Biggleswade, SG18 8NN
• Sold Dec 2025£360,000 | 3 Bed House24, Whittle Drive, Biggleswade, SG18 8GF24, Whittle Drive, Biggleswade, SG18 8GF
• Sold Aug 2025£380,000 | 3 Bed House19, Ouse Way, Biggleswade, SG18 8PZ19, Ouse Way, Biggleswade, SG18 8PZ
• Sold Aug 2025£317,500 | 3 Bed House43, Anderson Road, Biggleswade, SG18 8FX43, Anderson Road, Biggleswade, SG18 8FX
• Sold Jul 2025£335,000 | 3 Bed House51, Maunder Avenue, Biggleswade, SG18 8GL51, Maunder Avenue, Biggleswade, SG18 8GL
• Sold Mar 2025£365,000 | 3 Bed House6, Tansey End, Biggleswade, SG18 8WL6, Tansey End, Biggleswade, SG18 8WL
• Sold Mar 2025£335,000 | 3 Bed House36, Sanger Avenue, Biggleswade, SG18 8FY36, Sanger Avenue, Biggleswade, SG18 8FY
• Sold Nov 2024£325,000 | 3 Bed House37, Venus Avenue, Biggleswade, SG18 8FJ37, Venus Avenue, Biggleswade, SG18 8FJ
• Sold Oct 2024£375,000 | 3 Bed House21, Ribble Mead, Biggleswade, SG18 8NN21, Ribble Mead, Biggleswade, SG18 8NN
• Sold Aug 2024£395,000 | 3 Bed House21, Kennett Drive, Biggleswade, SG18 8NR21, Kennett Drive, Biggleswade, SG18 8NR
• Sold Aug 2023£354,000 | 3 Bed House19, Turing Road, Biggleswade, SG18 8GB19, Turing Road, Biggleswade, SG18 8GB
• Sold Jul 2023£375,000 | 3 Bed House15, Gilbert Avenue, Biggleswade, SG18 8FZ15, Gilbert Avenue, Biggleswade, SG18 8FZ
• Sold Jun 2023£285,000 | 3 Bed House26, Kennett Drive, Biggleswade, SG18 8NR26, Kennett Drive, Biggleswade, SG18 8NR
• Sold Nov 2022£371,000 | 3 Bed House20, Anderson Road, Biggleswade, SG18 8FX20, Anderson Road, Biggleswade, SG18 8FX
• Sold Oct 2022£140,000 | 3 Bed House26, Appleton Mead, Biggleswade, SG18 8HS26, Appleton Mead, Biggleswade, SG18 8HS
• Sold Mar 2022£370,000 | 3 Bed House8, Ribble Mead, Biggleswade, SG18 8NN8, Ribble Mead, Biggleswade, SG18 8NN
• Sold Jan 2022£390,000 | 3 Bed House4, Avon Rise, Biggleswade, SG18 8NP4, Avon Rise, Biggleswade, SG18 8NP
• Sold Jun 2021£320,000 | 3 Bed House30, Kennett Drive, Biggleswade, SG18 8NR30, Kennett Drive, Biggleswade, SG18 8NR
• Sold Dec 2020£325,000 | 3 Bed House1, Mersey Road, Biggleswade, SG18 8NQ1, Mersey Road, Biggleswade, SG18 8NQ

Our network of Estate Agents reports 1 let within 640 metres of 21, Gilbert Avenue, Biggleswade over the last 2 years.

Most recently, 33, Walker Mead, Biggleswade, SG18 8GW, a freehold house, was let by The Letting Quarter in March 2025.

• 
  Let agreed Mar 2025£ Undisclosed | 3 Bed House33, Walker Mead, Biggleswade, SG18 8GW33, Walker Mead, Biggleswade, SG18 8GW

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Gilbert Avenue, Biggleswade, SG18 has a total of 21 addresses. According to our analysis of all the public data, 21, Gilbert Avenue, Biggleswade is the 20th largest and the 20th most expensive property on the street.

When compared to the postcode district it is £25k less expensive than the average property in SG18.

• Lawnside Academy

  800 m away
• Biggleswade Academy

  1.0 km away
• St Andrew's CofE VC Primary School

  1.5 km away

• Stratton School

  400 m away
• Edward Peake CofE VC School

  1.0 km away
• Sandy Secondary School

  6.3 km away

• Biggleswade

  |

  1.2 km away
• Sandy

  |

  4.8 km away
• Arlesey

  |

  7.0 km away

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