109 Mountnessing Road, Billericay, CM12 9HA is a freehold detached property built in 2025. The property offers approximately 2,626 square feet of living space. In this location, properties of similar size usually have six bedrooms.

The estimated current market value of the property is £789,791 , which equates to approximately £301 per square foot. It was last sold on 10 Aug 2021 for £725,000. Since then, the value has increased by £64,791, representing a 8.9% increase, or approximately 1.8% per year.

The current estimated value of £789,791 is:

  • 7.3% higher than the average property price on Mountnessing Road
  • 8.6% lower than the average in the CM12 9HA postcode area
  • and 34.7% higher than the average price for Billericay as a whole

At the most recent EPC inspection on 27 April 2021, the property was recorded as owner-occupied.

View sold house prices in CM12 9HA

Building approximate location

About Property

Type
Detached House
Built
2025
Interior Size
2626 sq ft
Tenure
Freehold
Price (estimate)
£789,791
Price Per sq ft (estimate)
£301
Bedroom Count (estimate)
6 bedrooms

EPC Summary

109 Mountnessing Road, Billericay, Basildon, Essex, CM12 9HA has an Energy Performance Certificate (EPC) rating of B, based on the latest assessment carried out on 21 Nov 2025.

This property uses an electric air source heat pump with both radiators and underfloor heating as its main heating source. A standard tariff electric immersion heater is used to provide hot water. The windows are high performance glazing.

The previous EPC assessment was conducted on 27 Apr 2021, when the property was rated E. Since then, the rating has improved to B, with the energy efficiency score increasing by 106.8%.

Since the previous assessment, several changes were observed:

  • The heating system changed from boiler and radiators, mains gas to air source heat pump, radiators and underfloor, electric, with no change in energy efficiency (good).
  • The hot water system was changed from from main system to electric immersion, standard tariff, with its energy efficiency changing from good to very poor.
  • The roof construction or insulation changed from roof room(s), no insulation (assumed) to average thermal transmittance 0.14 w/m-¦k, improving energy efficiency from very poor to very good.
  • The wall construction or insulation changed from cavity wall, as built, no insulation (assumed) to average thermal transmittance 0.17 w/m-¦k, improving energy efficiency from poor to very good.
  • The windows were upgraded from fully double glazed to high performance glazing.
  • The lighting was updated from low energy lighting in all fixed outlets to good lighting efficiency, with efficiency changing from very good to good.
Heating Type
Air source heat pump, radiators and underfloor, electric
Good
Hot Water
Electric immersion, standard tariff
Very Poor
Floor
Average thermal transmittance 0.12 W/m-¦K
Very Good
Roof
Average thermal transmittance 0.14 W/m-¦K
Very Good
Walls
Average thermal transmittance 0.17 W/m-¦K
Very Good
Windows
High performance glazing
Very Good
Lighting
Good lighting efficiency
Good

Compared to CM12 9HA

10 th / 13
Price Rank
9% lower than average
1 st / 11
Size Rank
30% bigger than average
11 th / 11
Price Per Sq FT Rank
30% lower than average

Sale History

Today
£789,791
streetscan.co.uk estimate
+9 %
10 Aug 2021
£725,000
Freehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
Low flood risk
Surface water flood hazard
Low

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has very low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has low surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk

Area Insights

Similar Properties Sold Nearby

rooms: 8
size: 2519 sq ft
sale price: £460,000
sale date: 29 Jan 2008
rooms: 8
size: 2842 sq ft
sale price: £1,675,000
sale date: 27 Nov 2023
rooms: 8
size: 2519 sq ft
sale price: £910,000
sale date: 29 Jun 2021
rooms:
size: 2465 sq ft
sale price: £950,000
sale date: 18 Jan 2021
rooms: 9
size: 2756 sq ft
sale price: £940,000
sale date: 8 Oct 2020

Data Sources

The property at 109 Mountnessing Road, Billericay, CM12 9HA appears once in HM Land Registry records, with the transaction recorded on 10 Aug 2021. It also has two Energy Performance Certificate (EPC) records, the earliest dating back to 21 Nov 2025. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.