According to data from HM Land Registry, 21, Speedwell Arch, Didcot sits on a plot of 235 m².

We have plot size data on 19 out of 31 other houses in the postcode and 21, Speedwell Arch, Didcot sits on the 4th largest plot.

21, Speedwell Arch, Didcot has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 11 Oct 2018.

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, Speedwell Arch, Didcot was last sold on 1st May 2019 for £350,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since May 2019, the market for similar properties has risen by 14.1%.

According to the Land Registry and our network of Estate Agents, there have been 438 sales of properties similar to 21, Speedwell Arch, Didcot within a radius of 700 metres since 2017.

The most recent example is 15, Speedwell Arch, Didcot, OX11 6GA, a freehold house which sold for £400,000 on the 29th July 2025.

Read more about house prices in OX11.

• Sold Jul 2025£400,000 | 3 Bed House15, Speedwell Arch, Didcot, OX11 6GA15, Speedwell Arch, Didcot, OX11 6GA
• Sold Jul 2025£400,000 | 3 Bed House17, Fen Violet Drive, Didcot, OX11 6FZ17, Fen Violet Drive, Didcot, OX11 6FZ
• Sold Apr 2025£350,000 | 3 Bed House44, Cottongrass Road, Didcot, OX11 6GF44, Cottongrass Road, Didcot, OX11 6GF
• Sold Apr 2025£350,000 | 3 Bed House35, Pennyroyal Place, Didcot, OX11 6FY35, Pennyroyal Place, Didcot, OX11 6FY
• Sold Feb 2025£388,000 | 3 Bed House35, Cottongrass Road, Didcot, OX11 6GF35, Cottongrass Road, Didcot, OX11 6GF
• Sold Sep 2024£387,500 | 3 Bed House15, Fen Violet Drive, Didcot, OX11 6FZ15, Fen Violet Drive, Didcot, OX11 6FZ
• Sold Mar 2024£385,000 | 3 Bed House3, Cottongrass Road, Didcot, OX11 6GF3, Cottongrass Road, Didcot, OX11 6GF
• Sold Dec 2023£375,000 | 3 Bed House27, Cottongrass Road, Didcot, OX11 6GF27, Cottongrass Road, Didcot, OX11 6GF
• Sold Jul 2023£390,000 | 3 Bed House8, Speedwell Arch, Didcot, OX11 6GA8, Speedwell Arch, Didcot, OX11 6GA
• Sold Feb 2023£375,000 | 3 Bed House8, Cottongrass Road, Didcot, OX11 6GF8, Cottongrass Road, Didcot, OX11 6GF
• Sold Dec 2022£425,000 | 3 Bed House11, Cottongrass Road, Didcot, OX11 6GF11, Cottongrass Road, Didcot, OX11 6GF
• Sold Jul 2022£420,000 | 3 Bed House78, Candytuft Way, Didcot, OX11 6FX78, Candytuft Way, Didcot, OX11 6FX
• Sold Apr 2022£390,000 | 3 Bed House29, Cottongrass Road, Didcot, OX11 6GF29, Cottongrass Road, Didcot, OX11 6GF
• Sold Jan 2022£380,000 | 3 Bed House58, Candytuft Way, Didcot, OX11 6FX58, Candytuft Way, Didcot, OX11 6FX
• Sold Oct 2020£348,000 | 3 Bed House58, Cottongrass Road, Didcot, OX11 6GF58, Cottongrass Road, Didcot, OX11 6GF
• Sold Jun 2019£183,000 | 3 Bed House23, Speedwell Arch, Didcot, OX11 6GA23, Speedwell Arch, Didcot, OX11 6GA
• Sold Jun 2018£355,000 | 3 Bed House6, Speedwell Arch, Didcot, OX11 6GA6, Speedwell Arch, Didcot, OX11 6GA
• Sold Jun 2018£360,000 | 3 Bed House26, Speedwell Arch, Didcot, OX11 6GA26, Speedwell Arch, Didcot, OX11 6GA
• Sold Apr 2018£360,000 | 3 Bed House11, Speedwell Arch, Didcot, OX11 6GA11, Speedwell Arch, Didcot, OX11 6GA
• Sold May 2017£347,000 | 3 Bed House48, Cottongrass Road, Didcot, OX11 6GF48, Cottongrass Road, Didcot, OX11 6GF

Speedwell Arch, Harwell, Didcot, OX11 has a total of 31 addresses. According to our analysis of all the public data, 21, Speedwell Arch, Didcot is the 7th largest and the 6th most expensive property on the street.

When compared to the postcode district it is £21k more expensive than the average property in OX11.

• Didcot Primary Academy

  300 m away
• Stephen Freeman Primary School

  800 m away
• Aureus Primary School

  900 m away

• Aureus School

  200 m away
• UTC Oxfordshire

  400 m away
• Didcot Girls' School

  1.3 km away

• Didcot Parkway

  |

  2.1 km away
• Appleford

  |

  4.2 km away
• Culham

  |

  5.7 km away

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