Our Data Sources
12, Firefly has 41 entries in the Land Registry , most recently in January 2026 and a single entry in the EPC database dated September 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 12, Firefly is in very good condition we estimate a sale value of £441,879 and a rental value of £2,359 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £391,379 and a rental value of £2,089 per month.
Plot Size
According to data from HM Land Registry, 12, Firefly sits on a plot of 86 m2.
We have plot size data on 15 out of 17 other houses in the postcode and 12, Firefly sits on the 8th largest plot.
Energy Efficiency
12, Firefly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Sep 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 12, Firefly was last sold on 26th January 2026 for £440,000 and was recorded as a freehold house.
The property has had 4 sales since 1995.
Since January 2026, the market for similar properties has risen by 18.1%.
- Sold Jan 2026£440,000
- Sold Jun 2017£418,000
- Sold Feb 2006£145,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 55 sales of properties similar to 12, Firefly within a radius of 390 metres over the last 2 years.
The most recent example is 4 Hampden, Broadhead Strand, London, NW9 5QA, a freehold house which sold for £460,000 on the 21st May 2025.
Read more about house prices in NW9.
- Sold May 2025£460,000 | 3 Bed House4 Hampden, Broadhead Strand, London, NW9 5QA4 Hampden, Broadhead Strand, London, NW9 5QA
- Sold Jul 2024£432,000 | 3 Bed House7 Hampden, Broadhead Strand, London, NW9 5QA7 Hampden, Broadhead Strand, London, NW9 5QA
- Sold Dec 2019£375,000 | 3 Bed House16, Firefly, London, NW9 5PT16, Firefly, London, NW9 5PT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Firefly, London, NW9 has a total of 18 addresses. According to our analysis of all the public data, 12, Firefly is the 7th largest and the 7th most expensive property on the street.
When compared to the postcode district it is £17k less expensive than the average property in NW9.
More reading links
Schools Nearby
- Blessed Dominic Catholic Primary School200 m away
- The Orion Primary School1.0 km away
- Goldbeaters Primary School1.0 km away
- Saracens High School200 m away
- St James' Catholic High School200 m away
- Hasmonean High School for Girls800 m away
More reading links
Public Transport Nearby
- Colindale|600 m away
- Burnt Oak|1.4 km away
- Mill Hill Broadway|1.5 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












