- Companies
- Civil engineering
- Stanmore
- Reef Construction Limited
Reef Construction Limited
- Company number
- 09686671
- Incorporated
- 15 Jul 201511 years trading
- Registered office
- 2 Mountside, Stanmore, Middlesex, HA7 2DT
- Nature of business
- Construction of other civil engineering projects n.e.c.
Reef Construction Limited is a 11-year-old private limited company registered in Stanmore, company number 09686671, one of 37 civil engineering contractors in Stanmore. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £187K (+116.6%) on the year before, to £348K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £577K against £536K owed within a year: 1.1 times cover.
- 3 employees on average, up from 1 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 Mar 2025 | £348K | £1,738 | £577K | £536K | 3 |
| 31 Mar 2024 | £161K | £30K | £518K | £460K | 1 |
| 31 Mar 2023 | £98K | £17K | £311K | £254K | 1 |
| 31 Mar 2022 | £34K | £0 | £415K | £401K | 1 |
| 31 Mar 2021 | £14K | £36K | £363K | £351K | 1 |
| 31 Mar 2020 | -£62K | £25K | £143K | £214K | 1 |
| 31 Mar 2019 | £14K | £2,621 | £166K | £139K | 1 |
| 31 Mar 2018 | £441 | £1,000 | £11K | £16K | 1 |
| 31 Mar 2017 | £3,924 | £2,737 | £40K | £36K | 1 |
| 31 Mar 2016 | £9,838 | £1,966 | £18K | £17K |
Public contracts won
Reef Construction Limited has one public sector contract award on record; the ones with their own published value total £95K (2018). 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.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Sherington Parish Council | Sherington Parish Council Drainage, Reshaping, and Resurfacing of Pavilion Car Park, Perry Lane, Sherington. | £95K | 20 Feb 2018 |
Where Reef Construction Limited is registered
The registered office is in Stanmore (HA7), in the Harrow local authority area, London. Show HA7 2DT on a map.
Other trade companies in HA7
- Vatra Developments LtdBuilders
- Air and Waves LtdPlumbers and heating engineers
- R & R Building Services LtdFinishing trades
- Berculean BBV Ltd LtdBuilders
- Velorent LtdMotor traders
- Autex LtdMechanics and garages
- TH Motorcycles LtdMotor traders
- Ady Painting and Decorating LtdInstallers
Shared registered office
93 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 Reef 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 09686671
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 July 2015 (11 years ago)
- Registered office
- 2 Mountside, Stanmore, Middlesex, HA7 2DT
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 December 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Stanmore
Other active civil engineering contractors registered in Stanmore.
- Rizlink Ltd2019
- Setpaving Ltd2023
- Swift Operations Limited2025
- Tel.Com&Construction Ltd2026
- Thames Joinery Limited2016
- Traccam Limited2020
- Volo Construction Ltd2021
- Zian Services Ltd2022
All civil engineering contractors in Stanmore · All trades in Stanmore · Civil engineering across the UK
Frequently asked questions
When are Reef Construction Limited's accounts due?
Reef Construction Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Reef Construction Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Reef Construction Limited still trading?
Reef 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 Reef Construction Limited do?
Reef Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Reef Construction Limited?
Reef Construction Limited was incorporated on 15 July 2015, 11 years ago.
Has Reef Construction Limited won public sector contracts?
Yes. Reef Construction Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £95K), most recently from Sherington Parish Council.
What is the penalty if Reef 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 Reef 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.