- Companies
- Plumbers and heating engineers
- London
- Claremore (Mechanical Services) Limited
Claremore (Mechanical Services) Limited
- Company number
- 01147315
- Incorporated
- 23 Nov 197352 years trading
- Registered office
- 31 Grangewood Street, London, E6 1HB
- Nature of business
- Plumbing, heat and air-conditioning installation
Claremore (Mechanical Services) Limited is a 52-year-old private limited company registered in London, company number 01147315, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Claremore (Mechanical Services) LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £71K (-7.4%) on the year before, to £880K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £1.4M against £618K owed within a year: 2.3 times cover.
- 14 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £880K | £872K | £1.4M | £618K | 14 |
| 30 Nov 2024 | £950K | £1M | £1.4M | £476K | 14 |
| 30 Nov 2023 | £917K | £923K | £1.5M | £669K | 14 |
| 30 Nov 2022 | £919K | £1M | £1.4M | £545K | 14 |
| 30 Nov 2021 | £886K | £894K | £1.3M | £466K | 15 |
| 30 Nov 2020 | £875K | £951K | £1.4M | £584K | 16 |
| 30 Nov 2019 | £875K | £900K | £1.4M | £617K | |
| 30 Nov 2018 | £872K | £906K | £1.4M | £558K | |
| 30 Nov 2017 | £873K | £804K | £1.3M | £469K | |
| 30 Nov 2016 | £880K | £910K | £1.3M | £526K |
Public contracts won
Claremore (Mechanical Services) Limited has 4 public sector contract awards on record; the ones with their own published value total £1M (2023). Source: Contracts Finder and Find a Tender award notices. For 1 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Barnet and Southgate College4 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Barnet and Southgate College | CA13210 - Barnet & Southgate College Quick Quote For Roof & Legionella Remedial Works | Ceiling, not shown | 12 Dec 2023 |
| Barnet and Southgate College | CA7513 - Mechanical, Electrical and Building Fabric Maintenance Services - Barnet and Southgate College | £718K | 2 Oct 2023 |
| Barnet and Southgate College | CA11494 - Barnet & Southgate College - Solar PV (Battery Storage & EV Charge Point System) | £187K | 3 Mar 2023 |
| Barnet and Southgate College | CA11559 - Barnet & Southgate College ASHP Workshop Tender | £135K | 2 Mar 2023 |
Where Claremore (Mechanical Services) Limited is registered
The registered office is in London (E6), in the Newham local authority area, London. Show E6 1HB on a map.
Other trade companies in E6
- Dabostech LtdProperty developers
- Ryanlyn LimitedCleaning companies
- Benjamin's Decorating Services LimitedSpecialist contractors
- Wexstons C LtdRepair services
- Ramya Motors LtdMotor traders
- Nil Art Decor LtdBuilders
- Ari & Bleri LtdBuilders
- Gorgos Electrical Services LtdElectricians
What happens if Claremore (Mechanical Services) Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 01147315
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 November 1973 (52 years ago)
- Registered office
- 31 Grangewood Street, London, E6 1HB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 22 January 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in London
Other active plumbing and heating companies registered in London.
- Clarkin Contracting Ltd2023
- CLC Maintenance Group Ltd2017
- Clean Filtration Limited2025
- Cleanline Engineering Co. Limited1981
- Clear Flame Plumbing and Heating Ltd2024
- Clear Flow Solutions Ltd2025
- Cleopatra Plumbing & Heating Ltd2012
- Clerkenwell Construction Ltd2024
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Claremore (Mechanical Services) Limited's accounts due?
Claremore (Mechanical Services) Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Claremore (Mechanical Services) Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Claremore (Mechanical Services) Limited still trading?
Claremore (Mechanical Services) Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Claremore (Mechanical Services) Limited do?
Claremore (Mechanical Services) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Claremore (Mechanical Services) Limited?
Claremore (Mechanical Services) Limited was incorporated on 23 November 1973, 52 years ago.
Has Claremore (Mechanical Services) Limited won public sector contracts?
Yes. Claremore (Mechanical Services) Limited has 4 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1M), most recently from Barnet and Southgate College.
What is the penalty if Claremore (Mechanical Services) Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Claremore (Mechanical Services) Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.