- Companies
- Civil engineering
- Finchley
- Proven Project (District Heating) Ltd
Proven Project (District Heating) Ltd
- Company number
- 10679195
- Incorporated
- 20 Mar 20179 years trading
- Registered office
- Office 1 447 High Road, Finchley, London, N12 0AF
- Nature of business
- Construction of utility projects for fluids; Construction of utility projects for electricity and telecommunications; Construction of other civil engineering projects n.e.c.
Proven Project (District Heating) Ltd is a 9-year-old private limited company registered in Finchley, company number 10679195, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £82K (+9.6%) on the year before, to £935K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £2.1M against £1.5M owed within a year: 1.4 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £935K | £692K | £2.1M | £1.5M | 0 |
| 31 Dec 2024 | £853K | £857K | £2.5M | £1.8M | 7 |
| 31 Dec 2023 | £249K | £908K | £1.7M | £1.7M | 5 |
| 31 Dec 2022 | £438K | £296K | £1.6M | £1.2M | 3 |
| 31 Dec 2021 | £956K | £537K | £1.5M | £583K | 4 |
| 31 Dec 2020 | £478K | £417K | £885K | £409K | 4 |
| 31 Dec 2019 | £304K | £216K | £803K | £533K | 5 |
| 31 Dec 2018 | £287K | £324K | £741K | £471K | |
| 31 Aug 2018 | £225K | £505K | £642K | £429K |
Public contracts won
Proven Project (District Heating) Ltd has 2 public sector contract awards on record; the ones with their own published value total £16M (2026). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Lee Valley Heat Network Operating Company Limited, trading as Energetik2 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Lee Valley Heat Network Operating Company Limited, trading as Energetik | Energetik Primary Heating Network Extensions Part 2 (PSDS) | £12M | 28 Aug 2026 |
| Lee Valley Heat Network Operating Company Limited, trading as Energetik | Energetik Primary Heating Network Extensions Part 1 (PSDS) | £4.2M | 4 Feb 2026 |
Where Proven Project (District Heating) Ltd is registered
The registered office is in Finchley (N12), in the Barnet local authority area, London. Show N12 0AF on a map.
Other trade companies in N12
- Sullivan Property and Maintenance LtdFacilities management
- Mael Property Services LtdFinishing trades
- Horizon Constructors LtdProperty developers
- Alfawine Group LimitedFinishing trades
- Sam Motors Group LimitedMotor traders
- Heating on Demand LtdPlumbers and heating engineers
- Premium Electrical LtdElectricians
- Amaiya Sparks LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as Proven Project (District Heating) Ltd.
- Proven Project (Water) LtdCivil engineering
What happens if Proven Project (District Heating) 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 10679195
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2017 (9 years ago)
- Registered office
- Office 1 447 High Road, Finchley, London, N12 0AF
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
Construction of utility projects for electricity and telecommunications (SIC 42220)
Construction of other civil engineering projects n.e.c. (SIC 42990) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 28 February 2026
- Charges (mortgages)
- 1 outstanding of 3 registered
- Previous names
- Proven Project Construction Ltd (until 12 Jan 2026)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Finchley
Other active civil engineering contractors registered in Finchley.
All civil engineering contractors in Finchley · All trades in Finchley · Civil engineering across the UK
Frequently asked questions
When are Proven Project (District Heating) Ltd's accounts due?
Proven Project (District Heating) Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Proven Project (District Heating) Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Proven Project (District Heating) Ltd still trading?
Proven Project (District Heating) 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 Proven Project (District Heating) Ltd do?
Proven Project (District Heating) Ltd is registered under Construction of utility projects for fluids (SIC 42210); Construction of utility projects for electricity and telecommunications (SIC 42220); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Proven Project (District Heating) Ltd?
Proven Project (District Heating) Ltd was incorporated on 20 March 2017, 9 years ago.
Has Proven Project (District Heating) Ltd won public sector contracts?
Yes. Proven Project (District Heating) Ltd has 2 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £16M), most recently from Lee Valley Heat Network Operating Company Limited, trading as Energetik.
What is the penalty if Proven Project (District Heating) 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 Proven Project (District Heating) 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.