- Companies
- Plumbers and heating engineers
- Maidenhead
- Robertson Heating Services Limited
Robertson Heating Services Limited
- Company number
- 15531798
- Incorporated
- 29 Feb 20242 years trading
- Registered office
- 1 High Road, Cookham, Maidenhead, SL6 9HY
- Nature of business
- Plumbing, heat and air-conditioning installation
Robertson Heating Services Limited is a 2-year-old private limited company registered in Maidenhead, company number 15531798, one of 45 plumbing and heating companies in Maidenhead. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 Robertson Heating 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 up £2,778 (+10.2%) on the year before, to £30K.
- Current assets of £15K against £22K owed within a year: 0.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £30K | £15K | £22K | 2 | |
| 31 Mar 2025 | £27K | £36K | £18K | 2 |
Where Robertson Heating Services Limited is registered
The registered office is in Maidenhead (SL6), in the Windsor and Maidenhead local authority area, South East. Show SL6 9HY on a map.
Other trade companies in SL6
- B&M Cleaning Solutions LtdCleaning companies
- CC Garden Builds LtdBuilders
- Austin Groundwork Surfaces LimitedGroundworks and demolition
- Woodnest Interiors LtdJoiners and carpenters
- Carizmatic Company LimitedMotor traders
- Sakura Electrical LtdElectricians
- Elite Autos & Tyres LtdMotor traders
- Bigfrith End LtdSpecialist contractors
What happens if Robertson Heating 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15531798
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 February 2024 (2 years ago)
- Registered office
- 1 High Road, Cookham, Maidenhead, SL6 9HY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 27 February 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 Maidenhead
Other active plumbing and heating companies registered in Maidenhead.
- Royal Flush Plumber Ltd2022
- S O'Neill Plumbing and Heating Limited2014
- SPC Heating & Plumbing Limited2021
- SRSS Heating Ltd2020
- Swap Heating Ltd2023
- Swift Flow Contractor Ltd2023
- The Friendly Plumber Ltd2023
- Tob Environmental Limited2003
All plumbing and heating companies in Maidenhead · All trades in Maidenhead · Plumbers and heating engineers across the UK
Frequently asked questions
When are Robertson Heating Services Limited's accounts due?
Robertson Heating Services Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Robertson Heating Services Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Robertson Heating Services Limited still trading?
Robertson Heating 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 Robertson Heating Services Limited do?
Robertson Heating Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Robertson Heating Services Limited?
Robertson Heating Services Limited was incorporated on 29 February 2024, 2 years ago.
What is the penalty if Robertson Heating 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 Robertson Heating 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.