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  4. Smyth Bros. (Developments) Limited

Smyth Bros. (Developments) Limited

ActiveTotal exemption (full) accountsCivil engineeringWesterham
Company number
01206997
Incorporated
10 Apr 197551 years trading
Registered office
28A Village Green Avenue, Biggin Hill, Westerham, TN16 3LL
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
194 days
25 Apr 2027
From the Companies House register, 1 Oct 2026

Smyth Bros. (Developments) Limited is a 51-year-old private limited company registered in Westerham, company number 01206997, one of 13 civil engineering contractors in Westerham. Its next accounts are due at Companies House on 25 April 2027, and the CT600 for the period to 25 July 2026 is due at HMRC on 25 July 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
25 Apr 2027
in 194 days
For the period to 25 Jul 2026
CT600 due
25 Jul 2027
in 285 days
Period 1 Aug 2025 to 25 Jul 2026
Corporation tax payment
26 Apr 2027
in 195 days
9 months and 1 day after the period end
Confirmation statement
22 Jul 2027
in 282 days
Last made up to 8 Jul 2026

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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 down £7,869 (-2.6%) on the year before, to £292K.
  • Net assets rose in 2 of 4 year-on-year comparisons on record.
  • Current assets of £677K against £396K owed within a year: 1.7 times cover.
  • Balance sheets on record for 5 years, 2014 to 2018.

Net assets by year

Net assets at each year end, 2014 to 2018£0£100K£200K31 July 2014: net assets £217K£217K201431 July 2015: net assets £216K£216K201531 July 2016: net assets £243K£243K201631 July 2017: net assets £300K£300K201731 July 2018: net assets £292K£292K2018
Net assets at each year end, 2014 to 2018£0£100K£200K31 July 2014: net assets £217K£217K201431 July 2015: net assets £216K£216K201531 July 2016: net assets £243K£243K201631 July 2017: net assets £300K£300K201731 July 2018: net assets £292K£292K2018
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jul 2018£292K£677K£396K
31 Jul 2017£300K£128K£597K£309K
31 Jul 2016£243K£17K£452K£221K
31 Jul 2015£216K£328K£328K£114K
31 Jul 2014£217K£347K£348K£132K

Where Smyth Bros. (Developments) Limited is registered

Smyth Bros. (Developments) Limited's registered office on a map of the UK

The registered office is in Westerham (TN16), in the Bromley local authority area, London. Show TN16 3LL on a map.

Other trade companies in TN16

Also registered at this address

1 other company uses the same registered office as Smyth Bros. (Developments) Limited.

What happens if Smyth Bros. (Developments) 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 25 April 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late26 Apr 2027 to 25 May 2027£150
1 to 3 months late26 May 2027 to 25 Jul 2027£375
3 to 6 months late26 Jul 2027 to 25 Oct 2027£750
More than 6 months lateFrom 26 Oct 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late26 Jul 2027£200
3 months late25 Oct 2027another £200
6 months late25 Jan 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late25 Jul 2028another 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
01206997
Status
Active
Company type
Private limited company
Incorporated
10 April 1975 (51 years ago)
Registered office
28A Village Green Avenue, Biggin Hill, Westerham, TN16 3LL
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
25 July (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 July 2025
Last confirmation statement
8 July 2026
Charges (mortgages)
1 outstanding of 16 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 Westerham

Other active civil engineering contractors registered in Westerham.

All civil engineering contractors in Westerham · All trades in Westerham · Civil engineering across the UK

Frequently asked questions

When are Smyth Bros. (Developments) Limited's accounts due?

Smyth Bros. (Developments) Limited's next accounts are due at Companies House by 25 April 2027 (in 194 days), covering the period to 25 July 2026.

When is Smyth Bros. (Developments) Limited's CT600 due?

The CT600 for the period to 25 July 2026 is due at HMRC by 25 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 26 April 2027.

Is Smyth Bros. (Developments) Limited still trading?

Smyth Bros. (Developments) 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 Smyth Bros. (Developments) Limited do?

Smyth Bros. (Developments) Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is Smyth Bros. (Developments) Limited?

Smyth Bros. (Developments) Limited was incorporated on 10 April 1975, 51 years ago.

What is the penalty if Smyth Bros. (Developments) 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 Smyth Bros. (Developments) Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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