Sustainable Drainage Systems Limited

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sustainable drainage systems limited Company Information

Company Number

04433740

Next Accounts

Sep 2025

Directors

Patrick Cullen

Sevim Cullen

Shareholders

sds water group limited

Group Structure

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Industry

Manufacture of builders’ ware of plastic

Registered Address

goodwood house, blackbrook park avenue, taunton, somerset, TA1 2PX

Website

http://sdslimited.com

sustainable drainage systems limited Estimated Valuation

£68.2m

Pomanda estimates the enterprise value of SUSTAINABLE DRAINAGE SYSTEMS LIMITED at £68.2m based on an EBITDA of £8.1m and a 8.43x industry multiple (adjusted for size and gross margin).

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Sustainable Drainage Systems Limited is a live company located in taunton, TA1 2PX with a Companies House number of 04433740. It operates in the manufacture of builders ware of plastic sector, SIC Code 22230. Founded in May 2002, it's largest shareholder is sds water group limited with a 100% stake. Sustainable Drainage Systems Limited is a mature, large sized company, Pomanda has estimated its turnover at £34.8m with healthy growth in recent years.

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Pomanda's financial health check has awarded Sustainable Drainage Systems Limited a 5 rating. We use a traffic light system to show it exceeds the industry average on 6 measures and has 2 areas for improvement. Company Health Check FAQs

Health Rating5out of 5

6 Strong

4 Regular

2 Weak

Size

annual sales of £34.8m, make it larger than the average company (£20.9m)

Growth

3 year (CAGR) sales growth of 6%, show it is growing at a slower rate (12.1%)

EXPORT

Sustainable Drainage Systems Limited's latest turnover from December 2023 is £34.8 million and the company has net assets of £11 million. According to their latest financial statements, Sustainable Drainage Systems Limited has 153 employees and maintains cash reserves of £2.9 million as reported in the balance sheet.

Data source: Companies House, Pomanda Estimates

	Dec 2023	Dec 2022	Dec 2021	Dec 2020	Dec 2019	Dec 2018	Nov 2017	Nov 2016	Nov 2015	Nov 2014	Nov 2013	May 2012	May 2011	May 2010
Turnover	34,817,396	39,144,471	36,247,420	28,977,353	30,654,080	31,229,706	25,136,876	21,283,274	17,717,184	14,300,977	19,413,111	12,845,518	9,482,584	7,073,920
Other Income Or Grants	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Cost Of Sales	20,097,603	23,328,790	21,716,997	16,908,481	19,359,006	19,278,396	14,734,131	12,974,248	10,853,419	9,660,354	13,132,398	9,479,208	6,684,426	5,009,298
Gross Profit	14,719,793	15,815,681	14,530,423	12,068,872	11,295,074	11,951,310	10,402,745	8,309,026	6,863,765	4,640,623	6,280,713	3,366,310	2,798,158	2,064,622
Admin Expenses	8,705,458	7,945,215	7,570,971	6,566,114	5,952,468	6,809,271	5,871,317	4,852,250	4,248,195	4,013,700	4,953,067	2,348,946	2,381,836	1,762,430
Operating Profit	6,014,335	7,870,466	6,959,452	5,502,758	5,342,606	5,142,039	4,531,428	3,456,776	2,615,570	626,923	1,327,646	1,017,364	416,322	302,192
Interest Payable	190,333	180,651	136,955	143,222	169,403	72,664	28,265	41,585	26,163	68,359	72,804	19,142	25,036	11,542
Interest Receivable	0	0	0	0	0	0	0	0	35,125	28,984	20,667	4,131	20,347	16,099
Pre-Tax Profit	5,824,002	7,689,815	6,822,497	5,359,536	5,173,203	5,069,375	4,503,163	3,415,191	2,624,532	587,548	1,275,519	1,002,353	411,633	306,749
Tax	-1,036,332	-565,175	-980,647	-502,774	-257,590	-654,456	-660,648	-470,480	-312,741	-61,581	-297,857	-275,115	-161,895	-20,776
Profit After Tax	4,787,670	7,124,640	5,841,850	4,856,762	4,915,613	4,414,919	3,842,515	2,944,711	2,311,791	525,967	977,662	727,238	249,738	285,973
Dividends Paid	5,000,000	5,000,000	5,000,000	4,250,000	4,250,000	6,000,000	0	1,000,000	2,000,000	252,000	0	175,450	0	0
Retained Profit	-212,330	2,124,640	841,850	606,762	665,613	-1,585,081	3,842,515	1,944,711	311,791	273,967	977,662	551,788	249,738	285,973
Employee Costs	6,061,696	6,040,865	5,417,464	5,098,343	5,273,039	6,166,716	4,663,972	2,930,498	2,653,170	2,228,107	2,834,472	1,490,839	1,293,551	933,848
Number Of Employees	153	161	159	162	168	143	122	94	84	73	64	58	52	33
EBITDA*	8,090,506	9,734,430	8,495,992	6,897,088	6,450,746	5,764,617	5,084,667	3,997,860	3,134,287	1,121,197	1,764,619	1,186,007	509,232	392,770

* Earnings Before Interest, Tax, Depreciation and Amortisation

	Dec 2023	Dec 2022	Dec 2021	Dec 2020	Dec 2019	Dec 2018	Nov 2017	Nov 2016	Nov 2015	Nov 2014	Nov 2013	May 2012	May 2011	May 2010
Tangible Assets	2,220,058	2,989,978	3,638,900	3,116,387	3,034,931	2,590,688	1,704,028	1,897,925	1,990,235	1,914,217	2,036,217	1,637,901	988,556	833,289
Intangible Assets	2,599,527	2,703,834	2,109,399	1,663,433	1,222,285	0	0	0	0	0	0	0	0	39,869
Investments & Other	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Debtors (Due After 1 year)	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Total Fixed Assets	4,819,585	5,693,812	5,748,299	4,779,820	4,257,216	2,590,688	1,704,028	1,897,925	1,990,235	1,914,217	2,036,217	1,637,901	988,556	873,158
Stock & work in progress	2,372,904	1,688,262	1,575,532	1,231,925	1,789,526	1,092,428	617,192	632,075	565,532	321,343	348,032	469,232	181,228	211,868
Trade Debtors	6,002,836	5,967,488	7,664,082	6,135,188	4,603,305	5,590,094	3,729,408	3,129,339	1,959,866	2,183,043	2,086,056	2,315,414	2,056,251	1,720,489
Group Debtors	4,825,945	6,810,327	8,436,099	4,806,136	7,199,829	7,751,203	5,931,807	2,317,599	373,104	1,802,605	1,554,023	1,142,630	712,070	262,169
Misc Debtors	386,188	366,490	177,486	591,807	659,352	553,429	482,182	437,941	2,609,812	1,188,620	904,521	48,365	48,785	580,194
Cash	2,916,618	1,306,217	1,410,596	2,778,173	1,435,148	2,264,470	2,905,066	3,170,247	2,119,919	554,817	494,952	532,098	33,446	49,695
misc current assets	0	0	0	0	4,246	26,604	0	0	0	0	0	0	0	0
total current assets	16,504,491	16,138,784	19,263,795	15,543,229	15,691,406	17,278,228	13,665,655	9,687,201	7,628,233	6,050,428	5,387,584	4,507,739	3,031,780	2,824,415
total assets	21,324,076	21,832,596	25,012,094	20,323,049	19,948,622	19,868,916	15,369,683	11,585,126	9,618,468	7,964,645	7,423,801	6,145,640	4,020,336	3,697,573
Bank overdraft	1,059,463	359,070	1,967,197	140,334	0	0	0	0	27,664	62,184	681,752	660,424	228,674	581,805
Bank loan	0	1,144,755	1,416,667	1,416,667	0	1,000,000	62,184	62,184	62,184	0	42,184	0	0	0
Trade Creditors	2,538,949	2,993,642	4,593,448	3,462,761	2,406,784	3,100,106	1,864,396	2,244,343	2,245,384	2,586,576	2,231,609	2,407,656	2,350,379	1,031,675
Group/Directors Accounts	166,982	0	245,417	174,586	0	0	0	0	935,252	384,214	182,515	0	90,898	345,450
other short term finances	0	0	0	0	1,509,538	0	0	0	0	0	0	0	0	0
hp & lease commitments	217,093	223,591	198,453	102,734	0	39,435	113,148	173,823	152,222	101,143	156,815	50,877	41,522	29,023
other current liabilities	5,883,803	5,161,564	5,506,599	3,884,773	4,301,548	4,683,248	4,328,250	3,889,467	2,819,290	1,580,618	1,029,342	1,728,549	577,481	1,289,432
total current liabilities	9,866,290	9,882,622	13,927,781	9,181,855	8,217,870	8,822,789	6,367,978	6,369,817	6,241,996	4,714,735	4,324,217	4,847,506	3,288,954	3,277,385
loans	0	0	1,144,755	2,561,422	3,583,333	3,750,000	223,177	285,361	334,444	377,346	438,302	0	0	0
hp & lease commitments	268,409	418,484	433,276	121,209	224,904	104,349	95,889	167,778	273,713	365,996	445,261	64,687	72,473	38,272
Accruals and Deferred Income	0	0	0	0	0	0	0	0	0	0	0	0	0	0
other liabilities	0	0	0	0	0	0	0	0	0	0	0	0	0	0
provisions	236,839	366,622	466,054	260,185	330,899	265,775	171,555	93,601	44,457	94,500	77,921	73,009	50,259	23,004
total long term liabilities	505,248	785,106	2,044,085	2,942,816	4,139,136	4,120,124	490,621	546,740	652,614	837,842	961,484	137,696	122,732	61,276
total liabilities	10,371,538	10,667,728	15,971,866	12,124,671	12,357,006	12,942,913	6,858,599	6,916,557	6,894,610	5,552,577	5,285,701	4,985,202	3,411,686	3,338,661
net assets	10,952,538	11,164,868	9,040,228	8,198,378	7,591,616	6,926,003	8,511,084	4,668,569	2,723,858	2,412,068	2,138,100	1,160,438	608,650	358,912
total shareholders funds	10,952,538	11,164,868	9,040,228	8,198,378	7,591,616	6,926,003	8,511,084	4,668,569	2,723,858	2,412,068	2,138,100	1,160,438	608,650	358,912

	Dec 2023	Dec 2022	Dec 2021	Dec 2020	Dec 2019	Dec 2018	Nov 2017	Nov 2016	Nov 2015	Nov 2014	Nov 2013	May 2012	May 2011	May 2010
Operating Activities
Operating Profit	6,014,335	7,870,466	6,959,452	5,502,758	5,342,606	5,142,039	4,531,428	3,456,776	2,615,570	626,923	1,327,646	1,017,364	416,322	302,192
Depreciation	1,153,921	1,138,900	1,118,853	944,272	746,311	622,578	553,239	541,084	518,717	494,274	436,973	168,643	92,910	90,578
Amortisation	922,250	725,064	417,687	450,058	361,829	0	0	0	0	0	0	0	0	0
Tax	-1,036,332	-565,175	-980,647	-502,774	-257,590	-654,456	-660,648	-470,480	-312,741	-61,581	-297,857	-275,115	-161,895	-20,776
Stock	684,642	112,730	343,607	-557,601	697,098	475,236	-14,883	66,543	244,189	-26,689	-121,200	288,004	-30,640	211,868
Debtors	-1,929,336	-3,133,362	4,744,536	-929,355	-1,432,240	3,751,329	4,258,518	942,097	-231,486	629,668	1,038,191	689,303	254,254	2,562,852
Creditors	-454,693	-1,599,806	1,130,687	1,055,977	-693,322	1,235,710	-379,947	-1,041	-341,192	354,967	-176,047	57,277	1,318,704	1,031,675
Accruals and Deferred Income	722,239	-345,035	1,621,826	-416,775	-381,700	354,998	438,783	1,070,177	1,238,672	551,276	-699,207	1,151,068	-711,951	1,289,432
Deferred Taxes & Provisions	-129,783	-99,432	205,869	-70,714	65,124	94,220	77,954	49,144	-50,043	16,579	4,912	22,750	27,255	23,004
Cash flow from operations	8,436,631	10,145,614	5,385,584	8,449,758	5,918,400	2,568,524	317,174	3,637,020	3,656,280	1,379,459	-320,571	1,164,680	757,731	-58,615
Investing Activities
capital expenditure	-1,201,944	-1,809,477	-2,505,019	-1,916,934	-2,774,668	-1,509,238	-359,342	-448,774	-594,735	-372,274	-835,289	-817,988	-208,308	-963,736
Change in Investments	0	0	0	0	0	0	0	0	0	0	0	0	0	0
cash flow from investments	-1,201,944	-1,809,477	-2,505,019	-1,916,934	-2,774,668	-1,509,238	-359,342	-448,774	-594,735	-372,274	-835,289	-817,988	-208,308	-963,736
Financing Activities
Bank loans	-1,144,755	-271,912	0	1,416,667	-1,000,000	937,816	0	0	62,184	-42,184	42,184	0	0	0
Group/Directors Accounts	166,982	-245,417	70,831	174,586	0	0	0	-935,252	551,038	201,699	182,515	-90,898	-254,552	345,450
Other Short Term Loans	0	0	0	-1,509,538	1,509,538	0	0	0	0	0	0	0	0	0
Long term loans	0	-1,144,755	-1,416,667	-1,021,911	-166,667	3,526,823	-62,184	-49,083	-42,902	-60,956	438,302	0	0	0
Hire Purchase and Lease Commitments	-156,573	10,346	407,786	-961	81,120	-65,253	-132,564	-84,334	-41,204	-134,937	486,512	1,569	46,700	67,295
other long term liabilities	0	0	0	0	0	0	0	0	0	0	0	0	0	0
share issue	0	0	0	0	0	0	0	0	-1	1	0	0	0	72,939
interest	-190,333	-180,651	-136,955	-143,222	-169,403	-72,664	-28,265	-41,585	8,962	-39,375	-52,137	-15,011	-4,689	4,557
cash flow from financing	-1,324,679	-1,832,389	-1,075,005	-1,084,379	254,588	4,326,722	-223,013	-1,110,254	538,077	-75,752	1,097,376	-104,340	-212,541	490,241
cash and cash equivalents
cash	1,610,401	-104,379	-1,367,577	1,343,025	-829,322	-640,596	-265,181	1,050,328	1,565,102	59,865	-37,146	498,652	-16,249	49,695
overdraft	700,393	-1,608,127	1,826,863	140,334	0	0	0	-27,664	-34,520	-619,568	21,328	431,750	-353,131	581,805
change in cash	910,008	1,503,748	-3,194,440	1,202,691	-829,322	-640,596	-265,181	1,077,992	1,599,622	679,433	-58,474	66,902	336,882	-532,110

Very Low Risk70 - 100

Low Risk50 - 70

Moderate Risk30 - 50

High Risk20 - 30

Very High Risk0 - 20

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SUSTAINABLE DRAINAGE SYSTEMS LIMITED group structure

Sustainable Drainage Systems Limited has no subsidiary companies.

Ultimate parent company

SDS HOLDINGS LIMITED

06563334

SDS WATER GROUP LIMITED

15253521

2 parents

SUSTAINABLE DRAINAGE SYSTEMS LIMITED

04433740

SUSTAINABLE DRAINAGE SYSTEMS LIMITED Shareholders

sds water group limited

100%

Sustainable Drainage Systems Limited currently has 2 directors. The longest serving directors include Mr Patrick Cullen (May 2002) and Ms Sevim Cullen (May 2003).

officer	country	age	start	end	role
Mr Patrick Cullen	United Kingdom	57 years	May 2002	-	Director
Ms Sevim Cullen	United Kingdom	64 years	May 2003	-	Director

P&L

December 2023

turnover

34.8m

-11%

operating profit

-24%

gross margin

42.3%

+4.64%

turnover

Turnover, or revenue, is the amount of sales generated by a company within the financial year.

Balance Sheet

December 2023

net assets

11m

-0.02%

total assets

21.3m

-0.02%

cash

2.9m

+1.23%

net assets

Total assets minus all liabilities

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company number

04433740

Type

Private limited with Share Capital

industry

22230 - Manufacture of builders’ ware of plastic

incorporation date

May 2002

ultimate parent company

SDS HOLDINGS LIMITED

previous names

N/A

address

goodwood house, blackbrook park avenue, taunton, somerset, TA1 2PX

A charge, or mortgage, refers to the rights a company gives to a lender in return for a loan, often in the form of security given over business assets.

We found 4 charges/mortgages relating to sustainable drainage systems limited. Currently there are 1 open charges and 3 have been satisfied in the past.

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sustainable drainage systems limited Company Information

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