- Company number
- 10470778
- Incorporated
- 9 Nov 20169 years trading
- Registered office
- 132 Toddington Road, Luton, LU4 9DY
- Nature of business
- Construction of domestic buildings
Straightline Construction Limited is a 9-year-old private limited company registered in Luton, company number 10470778, one of 708 building contractors in Luton. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 Straightline 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 £42K (+789%) on the year before, to £47K.
- Current assets of £196K against £110K owed within a year: 1.8 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £47K | £21K | £196K | £110K | 3 |
| 30 Nov 2024 | £5,317 | £1,684 | £212K | £157K | 3 |
Public contracts won
Straightline Construction Limited has one public sector contract award on record; the ones with their own published value total £975K (2021). 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 |
|---|---|---|---|
| Prosper | Karbon - Fire Doors, Doors & Windows | £975K | 22 Dec 2021 |
Where Straightline Construction Limited is registered
The registered office is in Luton (LU4), in the Luton local authority area, East of England. Show LU4 9DY on a map.
Other trade companies in LU4
- Kai Properties LtdProperty developers
- Surrey Design and Build LtdRoofers
- Lignora LtdFloor and wall tilers
- MK Services Pro LtdProperty developers
- Amp Vision Solutions LtdElectricians
- S R Auto Motors LimitedMotor traders
- Arseley Motor Group LtdMotor traders
- F Martini Building & Roofing LtdBuilders
What happens if Straightline 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 10470778
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 November 2016 (9 years ago)
- Registered office
- 132 Toddington Road, Luton, LU4 9DY
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 8 November 2025
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 Luton
Other active building contractors registered in Luton.
- Stramax Industries Limited2021
- Subhani Builders Ltd2026
- Sula Building Services Ltd2026
- Sultan Builders Ltd2025
- Sunrise Builders Limited2007
- Super Bud Ltd2024
- Supreme Goods Ltd2026
- Supreme Projects Ltd2026
All building contractors in Luton · All trades in Luton · Builders across the UK
Frequently asked questions
When are Straightline Construction Limited's accounts due?
Straightline Construction Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Straightline Construction Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Straightline Construction Limited still trading?
Straightline 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 Straightline Construction Limited do?
Straightline Construction Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Straightline Construction Limited?
Straightline Construction Limited was incorporated on 9 November 2016, 9 years ago.
Has Straightline Construction Limited won public sector contracts?
Yes. Straightline Construction Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £975K), most recently from PROSPER.
What is the penalty if Straightline 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 Straightline 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.