- Companies
- Plumbers and heating engineers
- East Grinstead
- Heat in London Ltd
Heat in London Ltd
- Company number
- 10974866
- Incorporated
- 21 Sep 20179 years trading
- Registered office
- 12 Sackville Gardens, East Grinstead, RH19 2AH
- Nature of business
- Plumbing, heat and air-conditioning installation
Heat in London Ltd is a 9-year-old private limited company registered in East Grinstead, company number 10974866, one of 36 plumbing and heating companies in East Grinstead. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
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 £28K (+55%) on the year before, to £78K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £99K against £40K owed within a year: 2.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £78K | £8,722 | £99K | £40K | 2 |
| 30 Sep 2024 | £51K | £12K | £90K | £22K | 2 |
| 30 Sep 2023 | £981 | £6,360 | £32K | £11K | 2 |
| 30 Sep 2022 | £489 | £20K | £37K | £15K | 2 |
| 30 Sep 2021 | -£1,951 | £7,993 | £32K | £13K | 1 |
| 30 Sep 2020 | £44 | £12K | £45K | £27K | 2 |
| 30 Sep 2019 | £18K | £6,733 | £49K | £31K | |
| 30 Sep 2018 | £2,186 | £1,579 | £7,991 | £5,805 |
Where Heat in London Ltd is registered
The registered office is in East Grinstead (RH19), in the Mid Sussex local authority area, South East. Show RH19 2AH on a map.
Other trade companies in RH19
- Be Happy Tint LtdGlaziers
- F Thompson & Son Static Caravans LtdMotor traders
- Airaxis LtdPlumbers and heating engineers
- Regional Windscreen LtdMotor traders
- Foremost Window Solutions LtdGlaziers
- Brilliant Air Conditioning LtdPlumbers and heating engineers
- Arnas Iscenko LtdBuilders
- L&D Controls LtdInstallers
What happens if Heat in London 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 10974866
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 September 2017 (9 years ago)
- Registered office
- 12 Sackville Gardens, East Grinstead, RH19 2AH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 28 October 2025
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 East Grinstead
Other active plumbing and heating companies registered in East Grinstead.
- Heat Sync Services Ltd2024
- Heat-Tek Limited2000
- HGM Plumbing Ltd2024
- I R Lacey Plumbing & Heating Limited2008
- Intelligent Heat & Power Limited2005
- Nova Flow Plumbing and Heating Limited2025
- Picasso Plumbing Limited2011
- Plant Room and Energy Specialists Ltd2025
All plumbing and heating companies in East Grinstead · All trades in East Grinstead · Plumbers and heating engineers across the UK
Frequently asked questions
When are Heat in London Ltd's accounts due?
Heat in London Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Heat in London Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Heat in London Ltd still trading?
Heat in London 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 Heat in London Ltd do?
Heat in London Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Heat in London Ltd?
Heat in London Ltd was incorporated on 21 September 2017, 9 years ago.
What is the penalty if Heat in London 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 Heat in London 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.