£29k
+45%vs Mar 2024Active07555018Private limited companyBristol
MAINSTONE HEATING LIMITED
Significant control: Nicholas John Mainstone (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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Registered activity: Other specialised construction activities n.e.c. (SIC 43999). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MAINSTONE HEATING LIMITED is an active private limited company (company number 07555018) incorporated on 8 March 2011, registered in Bristol. Its registered activity is other specialised construction activities n.e.c. (SIC 43999). Latest small accounts cover the period ending 31 March 2025, showing net assets of £29k and cash of £55k, with 1 employee on average. Net assets rose 45% on the prior period (£20k).
Peer position · net assets
By net assets it sits in the upper half of 704 comparable companies in Bristol (median £6,053, upper quartile £58k).
02
Ownership and control
- Mr Nicholas John Mainstone
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 8 March 201115 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 22 March 2027in 150 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43999
- Other specialised construction activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£55k
+36%vs Mar 2024Not reported
1
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £29k | £55k | £13k | — | — | — | 1 |
| 31 March 2024 | £20k | £40k | £12k | — | — | — | 1 |
Cash per employee£55kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £29,078 at 31 March 2025
- Net assets up 10% or more on the prior period+44.7% vs prior period
- Cash at bank of £50,000 or moreCash £54,929
- Incorporated five or more years agoIncorporated 8 March 2011
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 150 days
- Next accounts duein 69 days
- Accounts period endNet assets £29k · small accounts
- Accounts period endNet assets £20k · small accounts
- Incorporated
08
Similar companies in Bristol
- S.E.M. CONSTRUCTION LIMITEDBristol · inc. Mar 2011
- PIPELINE SERVICE LTDWells · inc. Mar 2011
- TMW BUILDING SERVICES LTDBristol · inc. Mar 2011
- DIRECT CONCRETE REMEDIALS LTDBristol · inc. Feb 2011
- D C WELDING SERVICES (SUNDERLAND) LTDRadstock · inc. Mar 2011
- KELLY BROS SOLAR SIGNS LIMITEDYate · inc. Mar 2011
All companies incorporated on 8 March 2011 · in Mar 2011.
09
Reminders for MAINSTONE HEATING LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.