- Company number
- 14233909
- Incorporated
- 14 Jul 20224 years trading
- Registered office
- 110 Carlton Avenue East, Wembley, HA9 8LY
- Nature of business
- Construction of domestic buildings; Electrical installation; Plumbing, heat and air-conditioning installation; Combined facilities support activities
Heatspark Ltd is a 4-year-old private limited company registered in Wembley, company number 14233909, one of 338 building contractors in Wembley. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £6,218 (+259%) on the year before, to £8,619.
- Current assets of £30K against £30K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £8,619 | £30K | £30K | £30K | 0 |
| 31 Jul 2024 | £2,401 | £2,741 | £2,742 | £5,143 | 0 |
| 31 Jul 2023 | £1 | 0 |
Where Heatspark Ltd is registered
The registered office is in Wembley (HA9), in the Brent local authority area, London. Show HA9 8LY on a map.
Other trade companies in HA9
- PK Ventureworks LtdCleaning companies
- Primeglowclean LtdCleaning companies
- Kleanerklub LtdCleaning companies
- Buildon Group LtdBuilders
- Mih Motors LtdMotor traders
- Panoschi Construction LimitedBuilders
- Irawani LtdFinishing trades
- Hit Motors LtdMotor traders
Shared registered office
33 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Heatspark 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 14233909
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 July 2022 (4 years ago)
- Registered office
- 110 Carlton Avenue East, Wembley, HA9 8LY
- Nature of business
- Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Combined facilities support activities (SIC 81100) - Year end
- 31 July (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 13 July 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Wembley
Other active building contractors registered in Wembley.
- Hinglaj Builders Ltd2024
- Home STB Ltd2020
- Homely Solutions Group Ltd2018
- I&S Skills Ltd2024
- Ibr.Pro Ltd2026
- Ic Construct Limited2020
- Ics Szekely Ltd2021
- Ideal Deco Ltd2026
All building contractors in Wembley · All trades in Wembley · Builders across the UK
Frequently asked questions
When are Heatspark Ltd's accounts due?
Heatspark Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Heatspark Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Heatspark Ltd still trading?
Heatspark 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 Heatspark Ltd do?
Heatspark Ltd is registered under Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Combined facilities support activities (SIC 81100).
How old is Heatspark Ltd?
Heatspark Ltd was incorporated on 14 July 2022, 4 years ago.
What is the penalty if Heatspark 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 Heatspark 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.