21a Erith Crescent
RM5 3JJ
- Flat
- Leasehold
- 2 bedrooms (estimate)
- 398 sq ft
- EPC C
What comparable sales show
Few close matches: a rough guide£196,000
Range £149,000 to £244,000 · £493 per sq ft
Since last sale
−£49,000
−20.0% since Sept 2024, −9.8% a year
Rank in RM5 3JJ
36th of 36
Postcode average £268,306
From completed sales of similar homes nearby, adjusted for floor area. It cannot see condition, layout or recent work, so it is not a valuation.
In short
21a Erith Crescent is a 2 bedroom leasehold flat in RM5 of about 398 sq ft.
Comparable completed sales nearby put it at £149,000 to £244,000, about £196,000 in the middle.
That makes it the 36th highest of the 36 homes we can compare in RM5 3JJ, where the middle figure averages £268,306.
It last sold for £245,000 in September 2024; comparable sales suggest it has lost about £49,000 since, roughly −9.8% a year.
Across Barking and Dagenham, average prices rose 4.7% in the year to August 2026.
Where in the range would yours sell?
Condition and improvements usually decide it, and only someone who sees the home can say.
Lower end
£149,000
Middle
£196,000
Upper end
£244,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
The street
Erith Crescent and its sales
21a Erith Crescent on the map
This home, the completed sales its figure is worked out from, and the other sales on Erith Crescent. Choose a pin for the address, size and date.
The Land Registry records a sale by its postcode, so pins sit at the postcode, close to the home, not on its doorstep. Map: contains OS data © Crown copyright and database rights 2026.
How 21a Erith Crescent compares with Erith Crescent
Against the 7 completed sales on the street in the last two years
Price
Size
Per sq ft
- Its middle figure of £196,000 is 27% below the street's median sale price of £268,000.
- At 398 sq ft it is 20% below the median size of the homes sold here, 501 sq ft.
- That is £493 per sq ft, 11% below the street's median of £555 per sq ft.
- 0 of those 7 sales completed for less than this home's middle figure, and 7 for the same or more.
A comparison of completed sales, not a valuation: it cannot see condition, layout or work done since a home last sold.
Sales activity on Erith Crescent
Completed sales registered with HM Land Registry, by quarter
- Sales in two years
- 7
- Average price
- £267,714
- Lowest
- £221,000
- Highest
- £295,000
| Quarter | Sales | Median price |
|---|---|---|
| Q1 2025 | 0 | – |
| Q2 2025 | 2 | £279,000 |
| Q3 2025 | 1 | £250,000 |
| Q4 2025 | 2 | £292,500 |
| Q1 2026 | 1 | £260,000 |
| Q2 2026 | 1 | £221,000 |
| Q3 2026 | 0 | – |
| Q4 2026 | 0 | – |
| Type of home | Share of sales | Median price | Per sq ft |
|---|---|---|---|
| Flats | 86% (6) | £279,000 | £555 |
| Semi-detached houses | 14% (1) | £221,000 | – |
Completed sales on Erith Crescent
Every sale in the last two years. Choose an address to see that home's page.
| Address | Sold | Price | Type | Size | Per sq ft |
|---|---|---|---|---|---|
| 5 Erith CrescentRM5 3JJ | Jun 2026 | £221,000 | Semi-detached | – | – |
| 24A Erith CrescentRM5 3JP | Mar 2026 | £260,000 | Flat | – | – |
| 4A Erith CrescentRM5 3JJ | Nov 2025 | £295,000 | Flat | 592 sq ft | £498 |
| 20 Erith CrescentRM5 3JP | Oct 2025 | £290,000 | Flat | – | – |
| 26A Erith CrescentRM5 3JP | Aug 2025 | £250,000 | Flat | 409 sq ft | £611 |
| 37 Erith CrescentRM5 3JP | Jun 2025 | £290,000 | Flat | – | – |
| 17 Erith CrescentRM5 3JJ | May 2025 | £268,000 | Flat | – | – |
Energy
How efficient the home is
Energy performance certificate
From the official register for 21a Erith Crescent, lodged 16 May 2024.
Rating now
C71 points
Could reach
C76 points
5 points higher with the improvements below
- Built
- 1950–1966
- Solar panels
- None recorded
What the assessor found
Each part of the home, with the certificate's own energy efficiency rating.
Walls
Solid brick, as built, no insulation (assumed)
Very poorRoof
Pitched, 150 mm loft insulation
GoodFloor
(another dwelling below)
Not rated on the certificate
Windows
Fully double glazed
AverageHeating
Boiler and radiators, mains gas
GoodHeating controls
Programmer, room thermostat and TRVs
GoodHot water
From main system
GoodLighting
Low energy lighting in 80% of fixed outlets
Very good
Estimated running costs
A year, now and after the recommended improvements.
£153 a year less after the improvements
Heating
Hot water
Lighting
The assessor's estimates at the energy prices in use when the certificate was made (2024), for a typical household. Today's bills will differ.
Improvements the certificate recommends
In the certificate's order. Each rating assumes the steps before it are done.
- 1
50 mm internal or external wall insulation
Typical cost £4,000–£14,000 · saves about £153 a year
Rating after76C
Costs and savings are the certificate's own, as estimated when it was made.
History
What it has sold for
Sale history
Every sale of this home registered with HM Land Registry since 1995
| Sold | Price paid | Change | A year |
|---|---|---|---|
| September 2024 | £245,000 | +72.5% | +4.4% |
| December 2011 | £142,000 | +10.5% | +1.7% |
| November 2005 | £128,500 | +283.6% | +18.3% |
| November 1997 | £33,500 | First sale | – |
Nearby
Neighbours and the sales behind the figure
Homes in RM5 3JJ
Ranked by what comparable sales show. Choose one to see its page.
The completed sales behind the figure
Similar homes nearby, registered with HM Land Registry. Choose one to see its page.
| Home | Price | Sold | Size | Per sq ft | Away |
|---|---|---|---|---|---|
| 26A Erith CrescentRM5 3JP · Flat | £250,000 | Aug 2025 | 409 sq ft | £611 | 0.1 mi |
| Flat 8, Henham Court Mowbrays RoadRM5 3EN · Flat | £187,500 | Jun 2026 | 409 sq ft | £458 | 0.3 mi |
| 4A Erith CrescentRM5 3JJ · Flat | £295,000 | Nov 2025 | 592 sq ft | £498 | < 0.1 mi |
| 268A Collier Row LaneRM5 3NJ · Flat | £236,000 | Mar 2025 | 452 sq ft | £522 | < 0.1 mi |
| 5A Collier Row RoadRM5 3NP · Flat | £110,000 | Feb 2026 | 506 sq ft | £217 | 0.2 mi |
| 8 Cherrydown WalkRM7 8HJ · Flat | £200,000 | Jul 2026 | 560 sq ft | £357 | 0.3 mi |
| 8 Cherrydown WalkRM7 8HJ · Flat | £210,000 | Jul 2026 | 560 sq ft | £375 | 0.3 mi |
| Flat 10, Henham Court Mowbrays RoadRM5 3EN · Flat | £175,000 | Oct 2025 | 323 sq ft | £542 | 0.3 mi |
| 52 Brockley CrescentRM5 3JX · Flat | £330,000 | Jul 2025 | 678 sq ft | £487 | 0.1 mi |
| 165 Turpin AvenueRM5 2LT · Flat | £196,000 | Oct 2025 | 549 sq ft | £357 | 0.5 mi |
| 31 Prospect PlaceRM5 3DS · Flat | £167,500 | Feb 2026 | 603 sq ft | £278 | 0.5 mi |
| 29 Ashdown WalkRM7 8HL · Flat | £270,000 | Jul 2025 | 635 sq ft | £425 | 0.3 mi |
The area
RM5 at a glance
What buyers have paid in RM5
Completed sales in the last 12 months, against the 12 months before
Flats
Terraced
Semi-detached
Detached
| Type | Sales | Average price | Average size | Per sq ft | On the year |
|---|---|---|---|---|---|
| All homes | 175 | £418,801 | 946 sq ft | £468 | −2.4% |
| Flats | 22 | £229,136 | 619 sq ft | £363 | −9.3% |
| Terraced | 63 | £409,906 | 905 sq ft | £471 | −1.0% |
| Semi-detached | 82 | £467,159 | 1,014 sq ft | £473 | +2.1% |
| Detached | 5 | £507,600 | 1,042 sq ft | £571 | −13.5% |
Find another home
Enter an address with its postcode, or just the postcode, to open that home's page.
Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.
Energy performance data © Crown copyright. Licensed under the Open Government Licence v3.0.
Floor area and energy rating from the energy certificate of May 2024.
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