- Companies
- Plumbers and heating engineers
- Thornton Heath
- L.Graham & Co Ltd.
L.Graham & Co Ltd.
- Company number
- 15007239
- Incorporated
- 17 Jul 20233 years trading
- Registered office
- 20 Florida Road, Thornton Heath, CR7 8EU
- Nature of business
- Plumbing, heat and air-conditioning installation
L.Graham & Co Ltd. is a 3-year-old private limited company registered in Thornton Heath, company number 15007239, one of 24 plumbing and heating companies in Thornton Heath. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 £5,482 on the year before, to £5,483.
- Current assets of £14K against £8,094 owed within a year: 1.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £5,483 | £1,243 | £14K | £8,094 | 1 |
| 31 Mar 2025 | £1 | £1 | 1 | ||
| 31 Mar 2024 | £1 | £1 | 1 |
Where L.Graham & Co Ltd. is registered
The registered office is in Thornton Heath (CR7), in the Croydon local authority area, London. Show CR7 8EU on a map.
Other trade companies in CR7
- Ib Air Conditioning LimitedPlumbers and heating engineers
- Gold Carpet Cleaning Services LtdCleaning companies
- Azad Auto LtdMechanics and garages
- Tota Steel LtdFinishing trades
- Survey Stream Property Services LtdFacilities management
- Saunders Mechanics LtdMechanics and garages
- SR Gas London LimitedPlumbers and heating engineers
- Prestige Auto Repair & Body Works LtdMechanics and garages
What happens if L.Graham & Co 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15007239
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 July 2023 (3 years ago)
- Registered office
- 20 Florida Road, Thornton Heath, CR7 8EU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 9 July 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 Thornton Heath
Other active plumbing and heating companies registered in Thornton Heath.
- LMP Builders Ltd2010
- M Boyce Gas & Plumbing Limited2019
- McHugh Property Services Ltd2021
- Megawave Energy Solutions Ltd2022
- MM Group Services Ltd2023
- Optimize Gas & Plumbing Limited2015
- Roukes Service Ltd2016
- Technical Plumbing London Limited2026
All plumbing and heating companies in Thornton Heath · All trades in Thornton Heath · Plumbers and heating engineers across the UK
Frequently asked questions
When are L.Graham & Co Ltd.'s accounts due?
L.Graham & Co Ltd.'s next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is L.Graham & Co Ltd.'s CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is L.Graham & Co Ltd. still trading?
L.Graham & Co 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 L.Graham & Co Ltd. do?
L.Graham & Co Ltd. is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is L.Graham & Co Ltd.?
L.Graham & Co Ltd. was incorporated on 17 July 2023, 3 years ago.
What is the penalty if L.Graham & Co 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 L.Graham & Co 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.