- Company number
- 02811009
- Incorporated
- 20 Apr 199333 years trading
- Registered office
- 48 Ormesby Way, Harrow, HA3 9SF
- Nature of business
- Construction of domestic buildings; Buying and selling of own real estate
Ohm Construction Limited is a 33-year-old private limited company registered in Harrow, company number 02811009, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 29 September 2027, and the CT600 for the period to 29 December 2026 is due at HMRC on 29 December 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 Ohm Construction 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 £13K (+2.5%) on the year before, to £547K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £206K against £80K owed within a year: 2.6 times cover.
- 2 employees on average, down from 3 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £547K | £6,407 | £206K | £80K | 2 |
| 31 Dec 2024 | £533K | £12K | £604K | £78K | 3 |
| 31 Dec 2023 | £552K | £21K | £620K | £77K | 3 |
| 31 Dec 2022 | £571K | £38K | £636K | £64K | 3 |
| 30 Dec 2021 | £604K | £538K | £677K | £75K | 3 |
| 31 Dec 2020 | £638K | £552K | £862K | £227K | 3 |
| 31 Dec 2019 | £650K | £624K | £1.1M | £431K | 3 |
| 31 Dec 2018 | £312K | £339K | £582K | £277K | 3 |
| 31 Dec 2017 | £158K | £148K | £256K | £108K | 3 |
| 31 Dec 2016 | £113K | £66K | £210K | £100K | 2 |
Who runs and owns Ohm Construction Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| H*** K*** | Director | Aug 1993 |
| I*** K*** | Secretary | Aug 1993 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Apex Company Services Limited | Corporate Nominee Secretary | Apr 1993 | Aug 1993 |
| Apex Nominees Limited | Nominee director (company) | Apr 1993 | Aug 1993 |
People with significant control (2)
Where Ohm Construction Limited is registered
The registered office is in Harrow (HA3), in the Brent local authority area, London. Show HA3 9SF on a map.
Other trade companies in HA3
- M&M Team Solutions LimitedCleaning companies
- Asr234 LimitedCivil engineering
- Shine Bright With NV LtdMechanics and garages
- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
- Add22 LtdCivil engineering
- Floyd Cleaners LimitedCleaning companies
- Amalia&Ioana LimitedBuilders
What happens if Ohm Construction 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 29 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Sep 2027 to 29 Oct 2027 | £150 |
| 1 to 3 months late | 30 Oct 2027 to 29 Dec 2027 | £375 |
| 3 to 6 months late | 30 Dec 2027 to 29 Mar 2028 | £750 |
| More than 6 months late | From 30 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Dec 2027 | £200 |
| 3 months late | 29 Mar 2028 | another £200 |
| 6 months late | 29 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 02811009
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 April 1993 (33 years ago)
- Registered office
- 48 Ormesby Way, Harrow, HA3 9SF
- Nature of business
- Construction of domestic buildings (SIC 41202)
Buying and selling of own real estate (SIC 68100) - Year end
- 29 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 20 April 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 Harrow
Other active building contractors registered in Harrow.
- Ojo Drylining Ltd2020
- Olly Construct Ltd2024
- Om Developers Limited2018
- Omko Ltd2025
- One Piece Group Ltd2026
- Onu Construction Ltd2026
- Onyal Group Ltd2020
- Onyleo Ltd2026
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are Ohm Construction Limited's accounts due?
Ohm Construction Limited's next accounts are due at Companies House by 29 September 2027 (in 352 days), covering the period to 29 December 2026.
When is Ohm Construction Limited's CT600 due?
The CT600 for the period to 29 December 2026 is due at HMRC by 29 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 September 2027.
Is Ohm Construction Limited still trading?
Ohm Construction 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 Ohm Construction Limited do?
Ohm Construction Limited is registered under Construction of domestic buildings (SIC 41202); Buying and selling of own real estate (SIC 68100).
How old is Ohm Construction Limited?
Ohm Construction Limited was incorporated on 20 April 1993, 33 years ago.
Who runs Ohm Construction Limited?
Ohm Construction Limited has 1 active director, the longest-serving appointed in Aug 1993. Their names and service addresses are on the Companies House register.
Who owns Ohm Construction Limited?
2 people or companies have significant control of Ohm Construction Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Ohm Construction 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 Ohm Construction 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.