Model valuation£417,0008 Busby Close
Local market context
17 Calton Avenue, Southwark, London, SE21 7DE
5 sales on record1 planning record
Estimated value
£1,562,000
- Since the 2025 sale (£1,500,000)+4%
- Against SE21 7DE's recent median (£1,125,000)+39%
Newest record on this page: July 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
End terrace
Bedrooms
3
Bathrooms
2
Floor area
135 m²
1453 sq ft
Energy rating
C
Score 71
Council tax
Band E
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
£1,562,000
- Against its 2025 sale (£1,500,000)+4%
- Against SE21 7DE's recent median (£1,125,000)+39%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 17 Calton Avenue is modelled from its 135 m² EPC floor area, its 5 recorded sales and recent sales of comparable homes in SE21 7DE. 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
135 m² from the EPC lodged in June 2019
Sales of this home
5 sales recorded, the latest in 2025
Recent sales in SE21 7DE
5 sales, median £1,125,000 (2024–2019)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: July 2025 | 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.
17 Calton Avenue has more than quadrupled in price since its earliest registered sale in 2000.
Sales timeline
6 July 2025Most recent
£1,500,000
+11.5%over 3 years7 January 2022
£1,345,000
+3.9%over 2 years9 December 2019
£1,295,000
+43.6%over 2 years16 December 2016
£902,000
+211.0%over 16 years3 March 2000
£290,000
Median price across the last 5 sales in SE21 7DE: £1,125,000 (2024–2019).
Nearby sales in SE21 7DE
23 Calton Avenue, Southwark, London, SE21 7DE
Sold Oct 2024
£1,480,0005 Calton Avenue, Southwark, London, SE21 7DE
Sold Jun 2024
£2,250,0007 Calton Avenue, Southwark, London, SE21 7DE
Sold Dec 2021
£1,125,00011 Calton Avenue, Southwark, London, SE21 7DE
Sold Nov 2019
£1,025,00015 Calton Avenue, Southwark, London, SE21 7DE
Sold Aug 2018
£850,000
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 17 Calton Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
17 Calton Avenue is a three-bedroom end-of-terrace house in Southwark, London, London (SE21 7DE). It has a recorded floor area of 135 m² (around 1453 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (June 2019) shows a C (score 71). When first surveyed in February 2016 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good. Period features are noted in the property record. The home occupies a cul-de-sac position.
Most recent transfer was July 2025 at £1,500,000 — fresh data. One planning record on file: an extension approved in 2017. Past consents include an extension and new windows, meaningful when judging how the property has evolved. Across 2000–2025, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£1,032/sq ft) was about 146.7% above the typical sold price in the postcode.
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
- Bedrooms3
- Bathrooms2
- Dining roomYes
Outside
- Private gardenYes
- Cul-de-sacYes
Building
- Period featuresYes
Before you decide
Everything you need to know about 17 Calton Avenue
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.
Current Certificate(1 of 2)
Jun 2019
EPC Rating
A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
4.1 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 27 June 2029
Property Improvements
Changes detected from historical EPC data
Jun 2019from Feb 2016
EPC improved fromE51toC71
Hot Water
Very GoodGood
Hot water efficiency decreased
Windows
SingleFull Double
Single glazing replaced with double or better glazing
Floor Insulation
UninsulatedInsulated
Floor insulation added or improved
Low Energy Lighting
75%100%
More low energy lighting installed
Planning history
Applications and permits filed against 17 Calton Avenue, Southwark, London, SE21 7DE, sourced from the PlanIt planning register.
1 application on record at 17 Calton Avenue, Southwark, London, SE21 7DE
1decisions1extensions3documents
- Mar 2017ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Construction of rear single storey ground floor extension and rear dormer extension; Replacement of existing windows with new timber framed double glazed units.
New Windows- Documents
- 3 docs on file
- Reference
- 17/AP/0096
Unlock 17 Calton Avenue, Southwark, London, SE21 7DE'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
- The 3 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Calton Avenue homes
Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.
Years Held for 17 Calton Avenue lags the street by a wide margin.
Price per m²
£11,111
Street avg £9,392
Floor Area
135 m²
Street avg 149 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.1 t/year
Street avg 5.1 t/year
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
Rail-style transport is unusually close for this postcode.
Crime
66/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Dulwich Village — bus stop.
Closest school
0.2 km
Dulwich Village Church of England Infants' School. 68 schools nearby.
Nearest schools
- Dulwich Village Church of England Infants' SchoolPrimary159m
- Dulwich Hamlet Junior SchoolPrimary262m
- Judith Kerr Primary SchoolPrimary618m
- The Charter School North DulwichSecondary633m
Nearest stops
- Dulwich VillageBus stop154m
- Dulwich Village SchoolBus stop169m
- Dulwich Village (SE21)Bus stop256m
- Dulwich VillageBus stop357m
Most reported crime locally
- Violence & Sexual Offences290 reports24%
- Vehicle Crime203 reports17%
- Anti-social Behaviour162 reports14%
- Other Theft126 reports11%
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Modelled day and night-time noise levels around SE21 7DE from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
52.3dB
Night-time· 23:00 – 07:00
42.0dB
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
Get a survey for this property
Level 3 Building Survey
Victorian-eraEnd-Terrace HouseEPC CPre-1919 buildExtended multiple times (2+ extensions)Solid (non-cavity) walls
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,795 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£1.6m
1 Pond Cottages, College Road, Southwark
SE21 7LE
3 bed2 bath
£1.7m
1 Pickwick Road, Southwark
SE21 7JN
3 bed2 bath
£1.3m
1 Mitchell S Place, Southwark
SE21 7JZ
3 bed
£987k
1 Ryecotes Mead, Southwark
SE21 7EP
3 bed2 bath
£766k
1 Constable Walk, College Road, Southwark
SE21 7LX
3 bed2 bath
£2.3m
1 Gilkes Crescent, Southwark
SE21 7BP
4 bed3 bath
£2.0m
1 Allison Grove, Southwark
SE21 7ER
5 bed3 bath
£1.4m
1 Desenfans Road, Southwark
SE21 7DN
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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 17 Calton Avenue is modelled from its 135 m² EPC floor area, its 5 recorded sales and recent sales of comparable homes in SE21 7DE. 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. 5 sales are recorded for 17 Calton Avenue. 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 17 Calton Avenue was lodged in June 2019 at band C and is valid until June 2029. 2 certificates are on record, which shows how the home has changed.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 17 Calton Avenue. 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 18 months, which places each incident at an approximate point. The 68 schools and 30 stops listed are measured in a straight line from SE21 7DE, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
- Council tax band
- 17 Calton Avenue is in council tax band E. 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 17 Calton Avenue, Southwark, London, SE21 7DE. Each answer is also embedded as structured data for search engines.
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