20 Celtic Avenue, Bromley, BR2 0RU
About 20 Celtic Avenue
20 Celtic Avenue is a four-bedroom semi-detached house in Bromley (BR2 0RU). It has a recorded floor area of 134 m² (around 1442 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (July 2025) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in November 2012 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Good to Poor and window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 74).
One planning record on file: an extension approved in 2009. Past consents include an extension, meaningful when judging how the property has evolved. Across 2007–2020, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £941,000 is 13.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£575/sq ft) was about 35.1% above the typical sold price in the postcode. Last sale on file: £830,000 in November 2020.
Know exactly what you're buying at 20 Celtic Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms3
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenRear
- GarageYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
20 Celtic Avenue has an approved single-storey front extension on the planning record.
- Oct 2009ExtensionFullIn report
Extension: Single storey · Front of property
Single storey front extension
- Documents
- 5 docs on file
- Reference
- 09/02295/FULL6
We flagged 1 thing worth checking at 20 Celtic Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£941,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 13 years.
£830,000
Growth on file: 4.3% per year over 13 years.
Sales timeline
27 November 2020Most recent
£830,000
+44.3%over 7 years28 May 2013
£575,000
+21.1%over 5 years22 July 2007
£475,000
Median price across the last 5 sales in BR2 0RU: £875,000 (2025–2024).
Nearby sales in BR2 0RU
Everything we know about 20 Celtic Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Celtic Avenue homes
CO₂ Emissions for 20 Celtic Avenue runs comfortably ahead of the street norm.
Price per m²
£6,194
Street avg £5,242
Floor Area
134 m²
Street avg 139 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
4.6 t/year
Street avg 6.8 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
St Marys Church — bus stop.
Closest school
0.3 km
Highfield Junior School. 35 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.2dB

Night-time· 23:00 – 07:00
40.0dB