Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area	Last sold	Price paid	Floor area (m²) Floor area (sq ft)	£ per m² £ per sq ft	Type	Sold	m² sq ft	£/m² £/sq ft
16, Derry Downs, Orpington, BR5 4DT -	19 Sep 2025	£520,000	124 m² 1334 sqft	£4,193 £389	Detached (3 bed)
12, Derry Downs, Orpington, BR5 4DT -	29 Aug 2025	£525,000	92 m² 990 sqft	£5,706 £530	Detached (4 bed)
Flat 2 26, Derry Downs, Orpington, BR5 4DT	30 Jun 2022	£330,000			Flat
1, Derry Downs, Orpington, BR5 4DT	19 May 2021	£1,092,500	316 m² 3401 sqft	£3,457 £321	Detached (6 bed)
23, Derry Downs, Orpington, BR5 4DT -	22 Apr 2021	£475,000	122 m² 1313 sqft	£3,893 £361	Semi-D (3 bed)
20a, Derry Downs, Orpington, BR5 4DT -	09 Dec 2020	£620,000	159 m² 1711 sqft	£3,899 £362	Detached (4 bed)
20, Derry Downs, Orpington, BR5 4DT -	04 Dec 2020	£510,000	103 m² 1108 sqft	£4,951 £459	Detached (4 bed)
5, Derry Downs, Orpington, BR5 4DT	29 Jan 2019	£435,000	136 m² 1463 sqft	£3,198 £297	Semi-D (3 bed)
Flat 2 26, Derry Downs, Orpington, BR5 4DT	30 Nov 2017	£297,500			Flat
8, Derry Downs, Orpington, BR5 4DT -	09 Jan 2017	£426,000	107 m² 1151 sqft	£3,981 £369	Semi-D (4 bed)
Flat 2 26, Derry Downs, Orpington, BR5 4DT	31 Jan 2013	£177,000			Flat
2a, Derry Downs, Orpington, BR5 4DT -	13 May 2008	£250,000	109 m² 1173 sqft	£2,293 £213	Semi-D (3 bed)
4, Derry Downs, Orpington, BR5 4DT	23 Aug 2006	£210,000			Terrace (2 bed)
14, Derry Downs, Orpington, BR5 4DT	22 Nov 2002	£275,000			Detached (3 bed)
2, Derry Downs, Orpington, BR5 4DT -	07 Jun 2001	£160,000	126 m² 1356 sqft	£1,269 £117	Semi-D (3 bed)
10, Derry Downs, Orpington, BR5 4DT -	07 Aug 1998	£89,500	78 m² 839 sqft	£1,147 £106	Terrace (4 bed)
7, Derry Downs, Orpington, BR5 4DT	13 Aug 1997	£80,000			Semi-D (4 bed)
11a, Derry Downs, Orpington, BR5 4DT -	30 Nov 1995	£72,500	100 m² 1076 sqft	£725 £67	Detached (4 bed)
16, Derry Downs -	£520,000 Sep-2025	124 1334	4,193 389
12, Derry Downs -	£525,000 Aug-2025	92 990	5,706 530
Flat 2 26, Derry Downs	£330,000 Jun-2022
1, Derry Downs	£1,092,500 May-2021	316 3401	3,457 321
23, Derry Downs -	£475,000 Apr-2021	122 1313	3,893 361
20a, Derry Downs -	£620,000 Dec-2020	159 1711	3,899 362
20, Derry Downs -	£510,000 Dec-2020	103 1108	4,951 459
5, Derry Downs	£435,000 Jan-2019	136 1463	3,198 297
Flat 2 26, Derry Downs	£297,500 Nov-2017
8, Derry Downs -	£426,000 Jan-2017	107 1151	3,981 369
Flat 2 26, Derry Downs	£177,000 Jan-2013
2a, Derry Downs -	£250,000 May-2008	109 1173	2,293 213
4, Derry Downs	£210,000 Aug-2006
14, Derry Downs	£275,000 Nov-2002
2, Derry Downs -	£160,000 Jun-2001	126 1356	1,269 117
10, Derry Downs -	£89,500 Aug-1998	78 839	1,147 106
7, Derry Downs	£80,000 Aug-1997
11a, Derry Downs -	£72,500 Nov-1995	100 1076	725 67

The data above for Derry Downs can be visualised as a scatter graph, this will show price trends over time.

The average price per square metre (per square foot) in Derry Downs, Orpington is £4,709 sqm (£437 per sq ft), this is from the price paid of the 5 most recent sales.
The majority of homes in St Mary Cray are now selling for between £4,520 and £5,660 per square metre (£419 and £525 per square foot) , find out more in this local analysis of BR5 4 (St Mary Cray) house prices.
There are about 41 homes on Derry Downs, we would have expected about 5 sales each year given that in the UK people sell their homes on average once every 7 years.
In the last 4 years there have been 5 property sales in Derry Downs, averaging about 1 home sales per year .
The average size of all the properties on Derry Downs is 121 m2 (1,302 sqft).