Property data
Sale history
£555,000 on Sep 2010 (est. today's value: £813,450)
Bedrooms
3
Type
Detached
Council tax band
G
Plot size
451 square metres (4,855 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
December 2017 17/P/02319
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application approved
Address:
21A Mountside, Guildford
Description:
Certificate of lawfulness to establish whether the enlarging of the existing rear dormer is lawful.

Planning ref:
August 2017 17/P/01351
Type:
Full and householder planning application
Status:
Application approved
Address:
21A Mountside, Guildford
Description:
Single storey rear extension, enlarged rear dormer together with changes to fenestration and external material alterations following removal of rear conservatory [As amended by plans received on 10/08/17].
EPC Inspections
Summary:
28 May 2010 - energy performance certificate grade F
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 6 habitable rooms. Estimated year built 1967 to 1975
Area:
71 sqm (764 square foot) total internal area
Comments:
Frequently asked questions

According to HM Land Registry price paid data, 21a Mountside last sold for £555,000 in September 2010.

The bedroom count is shown as 3 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is F, from an inspection dated 28 May 2010. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 21a Mountside was in council tax band G. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

21a Mountside is in postcode GU2 4JD, in Guildford. You can also view HouseMetric's sold-price page for Mountside, GU2 4JD or analysis of the Guildford property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 June 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.