Mainspring Properties Limited
03791246 · Active
Company details
- Type
- Private Limited Company
- Incorporated
- 1999-06-17
- Country of origin
- United Kingdom
Accounts & filings
- Accounts last filed
- 2024-12-31 · TOTAL EXEMPTION FULL
- Next accounts due
- 2026-09-30 in 102 days
- Confirmation statement
- last made up 2025-06-17 · next due 2026-07-01
Registered office
C/o Sobell Rhodes Llp The Kinetic CentreTheobald Street
Elstree, Borehamwood
Hertfordshire
Wd6 4pj
Peer comparison
Compared against 2,294 UK companies in SIC 41100 (Development of building projects) within the Small bracket (£100k–£1M net assets).
See where this company ranks
Included with the £1 AI analysis unlock — one payment unlocks both for this company. Yours forever.
Based on this company's latest filed accounts (to Dec 2025) · Full accounts — profit & loss and balance sheet.
Unlock for £1Compares this company to 2,294 UK peers in Small bracket, by net assets, turnover, profitability, and more.
Financial health
Derived from the filed accounts to Dec 2025. Figures only — not advice.
See this company's financial health
£1 unlocks the liquidity & profitability ratios, risk signals, the AI analysis and peer comparison for this company. One payment, yours forever.
Based on this company's latest filed accounts (to Dec 2025) · Full accounts — profit & loss and balance sheet.
Unlock for £1Ratios and signals derived from this company's filed Companies House figures only.
Accounts
Based on this company's latest filed accounts (to Dec 2025) · Full accounts — profit & loss and balance sheet.
| Year ending | Dec 2025 | Dec 2024 | Dec 2023 | Dec 2022 | Dec 2021 |
|---|---|---|---|---|---|
| Profit & loss | |||||
| Profit / loss |
£-905,568
↓475.8%
|
£-157,262
|
— |
— |
— |
| Balance sheet | |||||
| Fixed assets |
£12,288,427
↓4.8%
|
£12,912,458
→0.0%
|
£12,941,764
↑1070.2%
|
£1,105,900
↓3.5%
|
£1,145,692
|
| Current assets |
£215,453
↓32.7%
|
£319,919
↓28.7%
|
£448,439
↓48.0%
|
£862,433
↑15.0%
|
£750,206
|
| Cash |
£42,013
↓21.4%
|
£53,441
↓74.5%
|
£209,845
↑31.5%
|
£159,598
|
— |
| Debtors |
£173,440
↓34.9%
|
£266,478
↑11.7%
|
£238,594
↓66.1%
|
£702,835
|
— |
| Net current assets |
£-6,048,655
↓1.0%
|
£-5,988,550
↓2.5%
|
£-5,843,652
|
£177,341
↑110.9%
|
£84,101
|
| Net assets |
£447,324
↓66.9%
|
£1,352,892
↓10.4%
|
£1,510,154
↑235.4%
|
£450,308
↓10.6%
|
£503,756
|
| Equity |
£447,324
↓66.9%
|
£1,352,892
↓10.4%
|
£1,510,154
↑235.4%
|
£450,308
↓10.6%
|
£503,756
|
| Other | |||||
| Average employees |
1
→0.0%
|
1
↓50.0%
|
2
|
0
|
0
|
Source: filed iXBRL accounts at Companies House. P&L items are only published by medium and large companies; small companies file abridged or micro-entity accounts where the P&L is not public.
Industry (SIC codes)
Officers (14)
- Online Corporate Secretaries Limited · Corporate Secretary appointed 2025-02-05
- Kiesling, Hubertus · Director appointed 2023-04-19
- Bowring, Peter John · Secretary appointed 2014-02-21 resigned 2025-01-31
- Kiesling, Andreas Johann · Director appointed 2009-03-01 resigned 2023-10-18
- Kiesling, Louise Dorothea · Director appointed 1999-06-17 resigned 2023-04-19
- M & M Registrars Limited · Corporate Secretary appointed 2004-09-01 resigned 2014-02-21
- Leggate, Karen Lisa · Secretary appointed 2002-10-17 resigned 2004-09-01
- Jones, Richard Wyn · Secretary appointed 2002-04-22 resigned 2002-10-17
- Hutchinson, Paul · Secretary appointed 2002-03-01 resigned 2002-04-22
- Castlegate Secretaries Limited · Corporate Secretary appointed 2001-06-29 resigned 2002-03-01
- Sells, Peter Charles · Secretary appointed 2000-04-18 resigned 2001-06-29
- Craig, John Hugh · Secretary appointed 1999-06-17 resigned 2000-04-18
- London Law Services Limited · Corporate Nominee Director appointed 1999-06-17 resigned 1999-06-29
- London Law Secretarial Limited · Corporate Nominee Secretary appointed 1999-06-17 resigned 1999-06-29
People with significant control (1)
-
Mainspring Holdings Limited ActiveCorporate Entity Psc · notified 2016-04-06Ownership of shares 75 to 100 percent Voting rights 75 to 100 percent Right to appoint and remove directors
Mortgages & charges (1)
All charges satisfied.
-
Legal charge SatisfiedHeld by Singer & Friedlander LimitedCreated 2002-06-10 · satisfied 2025-01-31First legal mortgage on the freehold property known as 8 poland street, london. By way of first fixed charge all rents and other income arising from the property all benefits in respect of policies of insurance. See the mortgage charge document for full details.
Recent filings (15)
- 2026-06-08 Total-exemption-full accounts AA Accounts
- 2025-12-24 Total-exemption-full accounts AA Accounts
- 2025-06-26 Confirmation statement (no updates) CS01 Confirmation statement
- 2025-02-14 Termination secretary company with name termination date TM02 Officers
- 2025-02-14 Change to a person with significant control PSC05 PSC
- 2025-02-14 Change registered office address company with date old address new address AD01 Address
- 2025-02-14 Appoint corporate secretary company with name date AP04 Officers
- 2025-01-31 Mortgage satisfy charge full MR04 Mortgage
- 2024-12-06 Total-exemption-full accounts AA Accounts
- 2024-07-01 Confirmation statement (no updates) CS01 Confirmation statement
- 2024-04-23 Director details changed CH01 Officers
- 2024-01-03 Change to a person with significant control PSC05 PSC
- 2023-12-20 Termination director company with name termination date TM01 Officers
- 2023-11-21 Director details changed CH01 Officers
- 2023-11-17 Director details changed CH01 Officers
Showing the 15 most recent filings. View full filing history at Companies House.
Source: Companies House register