Model valuation£417,0008 Busby Close
Local market context
21 Dulwich Gardens, Cardiff, CF5 1SE
3 sales on record1 planning record
Estimated value
£555,000
- Since the 2019 sale (£407,500)+36%
- Against CF5 1SE's recent median (£519,500)+7%
Newest record on this page: March 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Detached
Bedrooms
4
Bathrooms
2
Floor area
120 m²
1292 sq ft
Energy rating
D
Score 62
Council tax
Band F
Tenure
Owner Occupied
About this valuation
How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.
Our estimate
£555,000
- Against its 2019 sale (£407,500)+36%
- Against CF5 1SE's recent median (£519,500)+7%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 21 Dulwich Gardens is modelled from its 120 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF5 1SE. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
What it's based on
Floor area
120 m² from the EPC lodged in April 2019
Sales of this home
3 sales recorded, the latest in 2019
Recent sales in CF5 1SE
5 sales, median £519,500 (2026–2023)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: March 2026 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | 1 application | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
Sales history & valuation
Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.
21 Dulwich Gardens has more than quadrupled in price since its earliest registered sale in 1995.
Sales timeline
20 December 2019Most recent
£407,500
+63.0%over 10 years26 August 2009
£249,999
+157.7%over 13 years14 September 1995
£97,000
Median price across the last 5 sales in CF5 1SE: £519,500 (2026–2023).
Nearby sales in CF5 1SE
What this page doesn't show
Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks Report.
- Flood risk from rivers, sea and surface waterIn report
- Subsidence and ground-stability signalsIn report
- Refusals, enforcement and big schemes nearbyIn report
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About 21 Dulwich Gardens
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Dulwich Gardens is a four-bedroom detached house in Cardiff (CF5 1SE). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1976-1982 and council tax band F. The latest certificate (April 2019) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The home occupies a cul-de-sac position.
At 120 m² the property is well over the postcode median (68 m² across 16 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). One planning record on file: an extension approved in 2025. Past consents include an extension, meaningful when judging how the property has evolved. Across 1995–2019, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £555,000 is 36.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 38.6% above the typical sold price in the postcode. Sold December 2019 for £407,500.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- GarageYes
- Cul-de-sacYes
Before you decide
Everything you need to know about 21 Dulwich Gardens
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Recommended upgrades on file would lift this property by multiple EPC bands.
Current Certificate
Apr 2019EPC Rating
A
B
C
D
D62
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Good
CO2 Emissions
5.2 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 1 April 2029
Planning history
Applications and permits filed against 21 Dulwich Gardens, Cardiff, CF5 1SE, sourced from the PlanIt planning register.
1 application on record at 21 Dulwich Gardens, Cardiff, CF5 1SE
1decisions1extensions9documents2nearby
- Jan 2025ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Proposed removal of existing conservatory extension, construction of single storey rear extension, raising of first floor rear window and other internal alterations
- Documents
- 9 docs on file
- Reference
- 24/02662/HSE
Unlock 21 Dulwich Gardens, Cardiff, CF5 1SE's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Dulwich Gardens homes
Four headline reads against 5 similar houses on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 21 Dulwich Gardens lags the street by a wide margin.
Price per m²
£3,396
Street avg £4,002
Floor Area
120 m²
Street avg 128 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
5.2 t/year
Street avg 3.6 t/year
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Cardiff district page.
Crime
426/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Dulwich House — bus stop.
Nearest stops
- Dulwich HouseBus stop73m
- Penhill CloseBus stop93m
- Llandaff FieldsBus stop185m
- PenhillBus stop238m
Most reported crime locally
- Violence & Sexual Offences2,365 reports35%
- Anti-social Behaviour878 reports13%
- Public Order758 reports11%
- Shoplifting679 reports10%
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Get a survey for this property
Level 3 Building Survey
Late 20th centuryDetached HouseEPC DExtended multiple times (2+ extensions)
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
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1 Bernard Avenue, Canton
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3 bed1 bath
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£388k
1 Birchfield Crescent
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1 Cumberland Street
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1 Egerton Mews, Egerton Street
CF5 1RF
3 bed2 bath
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Where every figure above comes from, how current it is and what it can't tell you.
- How the estimate is made
- The estimate for 21 Dulwich Gardens is modelled from its 120 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF5 1SE. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
- Where sold prices come from
- Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 3 sales are recorded for 21 Dulwich Gardens. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
- Reading the EPC
- Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 21 Dulwich Gardens was lodged in April 2019 at band D and is valid until April 2029. Floor area, heating and insulation details on this page come from it.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 21 Dulwich Gardens. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
- Area figures
- Crime is police-recorded street-level data over the last 16 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF5 1SE.
- Council tax band
- 21 Dulwich Gardens is in council tax band F. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Dulwich Gardens, Cardiff, CF5 1SE. Each answer is also embedded as structured data for search engines.
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- Every home in CF5 1SESold prices, values and energy ratings for the postcode
- CF 5 property marketPrices, postcodes, schools and transport across the district
- 21 Dulwich Gardens, Cardiff valuationHow the estimate is built and what moves it
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