HM Land Registry records the plot of land for 18, Roughdown Avenue, Hemel Hempstead as measuring 724 m².

That makes it the 11th largest plot in the postcode, where 35 of the 39 other houses have recorded plot data.

18, Roughdown Avenue, Hemel Hempstead has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 18 Mar 2020.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (wood logs).

The most recent sale of 18, Roughdown Avenue, Hemel Hempstead completed on 4th June 2009 at £260,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 98.1% over the period since June 2009.

• Sold Jun 2009£260,000

Since 2016 170 properties similar to 18, Roughdown Avenue, Hemel Hempstead have sold within a radius of 900 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 19th December 2025, was 21, Roughdown Avenue, Hemel Hempstead, HP3 9BH, a freehold house which sold for £495,000.

Read more about house prices in HP3.

• Sold Dec 2025£495,000 | 3 Bed House21, Roughdown Avenue, Hemel Hempstead, HP3 9BH21, Roughdown Avenue, Hemel Hempstead, HP3 9BH
• Sold Dec 2025£550,000 | 3 Bed House473, London Road, Hemel Hempstead, HP3 9BE473, London Road, Hemel Hempstead, HP3 9BE
• Sold Aug 2025£485,000 | 3 Bed House22, Standring Rise, Hemel Hempstead, HP3 9AY22, Standring Rise, Hemel Hempstead, HP3 9AY
• Sold Jul 2025£590,000 | 3 Bed HouseWoodview, Roughdown Road, Hemel Hempstead, HP3 9AXWoodview, Roughdown Road, Hemel Hempstead, HP3 9AX
• Sold May 2025£567,000 | 3 Bed House19, Roughdown Avenue, Hemel Hempstead, HP3 9BH19, Roughdown Avenue, Hemel Hempstead, HP3 9BH
• Sold Mar 2025£625,000 | 3 Bed House44, Kingsland Road, Hemel Hempstead, HP1 1QD44, Kingsland Road, Hemel Hempstead, HP1 1QD
• Sold Mar 2025£371,250 | 4 Bed House439B, London Road, Hemel Hempstead, HP3 9BD439B, London Road, Hemel Hempstead, HP3 9BD
• Sold Dec 2024£374,800 | 3 Bed House32, Roughdown Road, Hemel Hempstead, HP3 9AX32, Roughdown Road, Hemel Hempstead, HP3 9AX
• Sold Sep 2024£555,000 | 4 Bed House17, Standring Rise, Hemel Hempstead, HP3 9AY17, Standring Rise, Hemel Hempstead, HP3 9AY
• Sold Aug 2024£435,000 | 4 Bed House4, Standring Rise, Hemel Hempstead, HP3 9AY4, Standring Rise, Hemel Hempstead, HP3 9AY
• Sold Jul 2024£555,000 | 3 Bed House72, Horsecroft Road, Hemel Hempstead, HP1 1PY72, Horsecroft Road, Hemel Hempstead, HP1 1PY
• Sold Jul 2024£532,000 | 4 Bed House12, Standring Rise, Hemel Hempstead, HP3 9AY12, Standring Rise, Hemel Hempstead, HP3 9AY
• Sold Jun 2024£490,000 | 3 Bed House56, Kingsland Road, Hemel Hempstead, HP1 1QD56, Kingsland Road, Hemel Hempstead, HP1 1QD
• Sold Mar 2024£450,000 | 3 Bed House200, St. Johns Road, Hemel Hempstead, HP1 1NR200, St. Johns Road, Hemel Hempstead, HP1 1NR
• Sold Mar 2024£505,000 | 4 Bed House20, Roughdown Avenue, Hemel Hempstead, HP3 9BH20, Roughdown Avenue, Hemel Hempstead, HP3 9BH
• Sold Sep 2022£470,000 | 3 Bed House11, Catlin Street, Hemel Hempstead, HP3 9AU11, Catlin Street, Hemel Hempstead, HP3 9AU
• Sold Feb 2022£580,000 | 3 Bed House13, Roughdown Avenue, Hemel Hempstead, HP3 9BH13, Roughdown Avenue, Hemel Hempstead, HP3 9BH
• Sold Mar 2021£510,000 | 4 Bed House24, Roughdown Avenue, Hemel Hempstead, HP3 9BH24, Roughdown Avenue, Hemel Hempstead, HP3 9BH
• Sold Dec 2019£530,000 | 4 Bed House21, Catlin Street, Hemel Hempstead, HP3 9AU21, Catlin Street, Hemel Hempstead, HP3 9AU
• Sold Aug 2016£535,000 | 3 Bed House7, Roughdown Avenue, Hemel Hempstead, HP3 9BH7, Roughdown Avenue, Hemel Hempstead, HP3 9BH

Of the 39 addresses on Roughdown Avenue, Hemel Hempstead, HP3, 18, Roughdown Avenue, Hemel Hempstead comes out as the 24th largest and the 32nd most expensive in our analysis of the public data.

It is also £17k more expensive than the average property across the HP3 district.

• St Rose's Catholic Infant School

  800 m away
• Boxmoor Primary School

  900 m away
• South Hill Primary School

  1.2 km away

• The Hemel Hempstead School

  1.1 km away
• Laureate Academy

  1.9 km away
• John F Kennedy Catholic School

  2.2 km away

• Hemel Hempstead

  |

  200 m away
• Apsley

  |

  2.0 km away
• Kings Langley

  |

  5.2 km away

The flood risk here is rated Very Low, based on Environment Agency data.