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)
41, Derry Downs, Orpington, BR5 4DU	31 Jul 2025	£660,000	176 m² 1894 sqft	£3,750 £348	Semi-D (4 bed)
28, Derry Downs, Orpington, BR5 4DU -	07 Feb 2025	£485,000 B	145 m² 1560 sqft	£3,344 £310	Detached (4 bed)
42, Derry Downs, Orpington, BR5 4DU -	14 Oct 2022	£435,000	74 m² 796 sqft	£5,878 £546	Semi-D (4 bed)
Flat 2 26, Derry Downs, Orpington, BR5 4DT	30 Jun 2022	£330,000			Flat
54, Derry Downs, Orpington, BR5 4DU -	21 Apr 2022	£350,000	87 m² 936 sqft	£4,022 £373	Detached (2 bed)
37, Derry Downs, Orpington, BR5 4DU -	18 Aug 2021	£570,000	97 m² 1044 sqft	£5,876 £545	Detached (3 bed)
49a, Derry Downs, Orpington, BR5 4DU -	28 Jun 2021	£685,000	145 m² 1560 sqft	£4,724 £438	Detached (3 bed)
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)
51, Derry Downs, Orpington, BR5 4DU -	28 Oct 2019	£1,000,000	243 m² 2615 sqft	£4,115 £382	Detached (5 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
38, Derry Downs, Orpington, BR5 4DU -	17 Nov 2017	£400,000	107 m² 1151 sqft	£3,738 £347	Detached (3 bed)
47, Derry Downs, Orpington, BR5 4DU -	20 Jan 2017	£390,000	85 m² 914 sqft	£4,588 £426	Detached (4 bed)
8, Derry Downs, Orpington, BR5 4DT -	09 Jan 2017	£426,000	107 m² 1151 sqft	£3,981 £369	Semi-D (4 bed)
36, Derry Downs, Orpington, BR5 4DU -	28 Sep 2015	£399,950	131 m² 1410 sqft	£3,053 £283	Detached (4 bed)
44, Derry Downs, Orpington, BR5 4DU -	10 Jul 2015	£283,000	63 m² 678 sqft	£4,492 £417	Semi-D (2 bed)
25a, Derry Downs, Orpington, BR5 4DU -	11 Jul 2013	£250,000	90 m² 968 sqft	£2,777 £257	Terrace (4 bed)
Flat 2 26, Derry Downs, Orpington, BR5 4DT	31 Jan 2013	£177,000			Flat
51a, Derry Downs, Orpington, BR5 4DU	17 Aug 2012	£267,000	115 m² 1237 sqft	£2,321 £215	Detached (3 bed)
52, Derry Downs, Orpington, BR5 4DU -	08 Oct 2010	£228,000	121 m² 1302 sqft	£1,884 £175	Semi-D (3 bed)
40, Derry Downs, Orpington, BR5 4DU -	27 Nov 2009	£345,000			Detached (4 bed)
2a, Derry Downs, Orpington, BR5 4DT -	13 May 2008	£250,000	109 m² 1173 sqft	£2,293 £213	Semi-D (3 bed)
30, Derry Downs, Orpington, BR5 4DU	27 Oct 2006	£236,000			Detached (4 bed)
4, Derry Downs, Orpington, BR5 4DT	23 Aug 2006	£210,000			Terrace (2 bed)
45a, Derry Downs, Orpington, BR5 4DU	10 May 2006	£280,000	155 m² 1668 sqft	£1,806 £167	Terrace (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
41, Derry Downs	£660,000 Jul-2025	176 1894	3,750 348
28, Derry Downs -	£485,000 B Feb-2025	145 1560	3,344 310
42, Derry Downs -	£435,000 Oct-2022	74 796	5,878 546
Flat 2 26, Derry Downs	£330,000 Jun-2022
54, Derry Downs -	£350,000 Apr-2022	87 936	4,022 373
37, Derry Downs -	£570,000 Aug-2021	97 1044	5,876 545
49a, Derry Downs -	£685,000 Jun-2021	145 1560	4,724 438
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
51, Derry Downs -	£1,000,000 Oct-2019	243 2615	4,115 382
5, Derry Downs	£435,000 Jan-2019	136 1463	3,198 297
Flat 2 26, Derry Downs	£297,500 Nov-2017
38, Derry Downs -	£400,000 Nov-2017	107 1151	3,738 347
47, Derry Downs -	£390,000 Jan-2017	85 914	4,588 426
8, Derry Downs -	£426,000 Jan-2017	107 1151	3,981 369
36, Derry Downs -	£399,950 Sep-2015	131 1410	3,053 283
44, Derry Downs -	£283,000 Jul-2015	63 678	4,492 417
25a, Derry Downs -	£250,000 Jul-2013	90 968	2,777 257
Flat 2 26, Derry Downs	£177,000 Jan-2013
51a, Derry Downs	£267,000 Aug-2012	115 1237	2,321 215
52, Derry Downs -	£228,000 Oct-2010	121 1302	1,884 175
40, Derry Downs -	£345,000 Nov-2009
2a, Derry Downs -	£250,000 May-2008	109 1173	2,293 213
30, Derry Downs	£236,000 Oct-2006
4, Derry Downs	£210,000 Aug-2006
45a, Derry Downs	£280,000 May-2006	155 1668	1,806 167

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 calculated from sold property prices 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 roughly 41 homes on Derry Downs, we would have expected roughly 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 roughly 1 home sales per year .
The average size of all the properties on Derry Downs is 121 m2 (1,302 sqft).