- Companies
- Plumbers and heating engineers
- Swansea
- RM Blake Ltd
RM Blake Ltd
- Company number
- 08833437
- Incorporated
- 6 Jan 201412 years trading
- Registered office
- Primrose Cottage Graig Road, Glais, Swansea, SA7 9JH
- Nature of business
- Plumbing, heat and air-conditioning installation
RM Blake Ltd is a 12-year-old private limited company registered in Swansea, company number 08833437, one of 148 plumbing and heating companies in Swansea. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 up £1,406 (+630.5%) on the year before, to £1,629.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £2,003 against £13K owed within a year: 0.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £1,629 | £2,003 | £13K | 1 | |
| 31 Jan 2025 | £223 | £7,504 | £6,781 | 1 | |
| 31 Jan 2024 | £987 | £3,618 | £2,131 | 1 | |
| 31 Jan 2023 | £97 | £2,037 | £1,440 | 1 | |
| 31 Jan 2022 | £8 | £2,550 | £1,942 | 0 | |
| 31 Jan 2021 | £298 | £1,836 | £938 | 1 | |
| 31 Jan 2020 | £10 | £5,119 | £4,650 | 1 | |
| 31 Jan 2019 | £6,751 | £16K | £9,053 | ||
| 31 Jan 2018 | £252 | £4,437 | £3,812 | ||
| 31 Jan 2017 | -£463 | £4,925 | £6,342 |
Who runs and owns RM Blake Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| R*** B*** | Director | Jan 2014 |
Person with significant control
Where RM Blake Ltd is registered
The registered office is in Swansea (SA7), in the Swansea local authority area, Wales. Show SA7 9JH on a map.
Other trade companies in SA7
- Foundry & Co Construction LtdBuilders
- Pops Power Solutions LtdElectricians
- Perfect Roofing and Home Maintenance LimitedRoofers
- Eveo Engineering LtdElectricians
- Performance Bunker Liner LimitedSpecialist contractors
- Swan Roofing LimitedRoofers
- Air Conditioning & Heat Pumps LimitedPlumbers and heating engineers
- Ogm Pristine Cleaning LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as RM Blake Ltd.
- RM Blake Climate & Energy LtdElectricians
What happens if RM Blake Ltd 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 08833437
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 January 2014 (12 years ago)
- Registered office
- Primrose Cottage Graig Road, Glais, Swansea, SA7 9JH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 6 January 2026
- Previous names
- RM Blake Plumbing Heating & Gas Ltd (until 2 Feb 2026)
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 Swansea
Other active plumbing and heating companies registered in Swansea.
- S D W Plumbing & Heating South Wales Ltd2024
- S W Heating & Plumbing (Gower) Ltd2014
- Sa1 Utilities Solutions Ltd2026
- Schleswick & Son Limited2022
- SG Renewable Solutions Ltd2023
- SGW Plumbing & Heating Limited2017
- SHS Property Maintenance Ltd2024
- Sketty Gas Ltd2024
All plumbing and heating companies in Swansea · All trades in Swansea · Plumbers and heating engineers across the UK
Frequently asked questions
When are RM Blake Ltd's accounts due?
RM Blake Ltd's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is RM Blake Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is RM Blake Ltd still trading?
RM Blake Ltd 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 RM Blake Ltd do?
RM Blake Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is RM Blake Ltd?
RM Blake Ltd was incorporated on 6 January 2014, 12 years ago.
Who runs RM Blake Ltd?
RM Blake Ltd has 1 active director, the longest-serving appointed in Jan 2014. Their names and service addresses are on the Companies House register.
Who owns RM Blake Ltd?
One person or company has significant control of RM Blake Ltd: an individual (owns 75% or more of the shares).
What is the penalty if RM Blake Ltd 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 RM Blake Ltd 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.