South London
Builders in Southwark
Southwark is about 15 miles from our Harrow office, inside the area we cover. Southwark's conservation areas include Borough High Street, Bermondsey Street, Addington Square and Caroline Gardens. We build extensions, loft conversions, new homes and renovations across Peckham, Camberwell, East Dulwich and Dulwich, with fixed-price contracts and a 15-year structural warranty.
Southwark at a glance
- Planning authority
- London Borough of Southwark
- Postcode districts
- SE1SE5SE15SE16SE17SE21SE22
- From our office
- 15 miles
- Verified reviews here
- 1
Local knowledge
Building in Southwark
1 homeowners with SE1 postcodes have left verified reviews of our work here, between 2013 and 2013, for gas boiler - installation (1).
Planning here is decided by London Borough of Southwark. What we check before designing anything:
- Southwark's conservation areas include Borough High Street, Bermondsey Street, Addington Square and Caroline Gardens. Source : Southwark Council: list of conservation areas
- Southwark's list names 53 conservation areas, including Dulwich Village, Camberwell Grove, Bermondsey Street, Rye Lane Peckham, Nunhead Green, Tower Bridge and Trinity Church Square. Source : Southwark Council: list of conservation areas
Reviews
What homeowners say on Google, MyBuilder and Trustpilot
Reviews from homeowners across London and the Home Counties who have worked with us.
“As usual excellent service from Brits constructions. We had an issue with our underfloor heating (5 years past installation) and they were very responsive in fixing the i…”
Syed Wajahat Aziz · Trustpilot · Feb 2026
“Thank you Brit Construction for the amazing loft conversion. We are extremely pleased with it. You worked according to timescale and was professional at all times.”
Edward Fyle · Trustpilot · Jan 2026
“Thank you Brit Construction for the excellent loft conversion. Three years on and we are extremely happy. From Angelina, very happy customer 😀”
Angelina Fyle · Trustpilot · Jan 2026
Reviews
What homeowners in Southwark say
What homeowners in and around Southwark say about working with us.
“Posted a job this morning and the problem has already been sorted. Very quick and efficient, would recommend.”
Nadia, SE1 · Southwark
Gas Boiler - Installation · Mar 2013
“Very happy with our side return extension. They dealt with the party wall side of things and kept our neighbours informed throughout.”
Amit, Rotherhithe
Side Return Extension · Oct 2024
“Fantastic loft conversion. Good quality throughout and they kept the house as clean as possible while they worked.”
Kate, Nunhead
Loft Conversion · Mar 2025
Our work
Projects we've built in Southwark

Side Return Extensions
Southwark

Loft Conversions
Southwark

Full Property Renovations
Southwark
Coverage
Southwark and nearby
Southwark is about 15 miles from our Harrow office, within the 20 miles we cover.
FAQ
Building in Southwark: your questions
Yes. We work across Southwark, including Peckham, Camberwell, East Dulwich, Dulwich, Bermondsey and Rotherhithe, covering the SE1, SE5, SE15, SE16, SE17, SE21 and SE22 postcodes. It is about 15 miles from our Harrow office, so surveys and site visits are easy to arrange.
Southwark's conservation areas include Borough High Street, Bermondsey Street, Addington Square and Caroline Gardens. Applications here are decided by London Borough of Southwark.
Yes. 1 homeowners with SE1 postcodes have left verified reviews of our work, between 2013 and 2013.
Southwark's conservation areas include Borough High Street, Bermondsey Street, Addington Square and Caroline Gardens. We check your address against the council's maps before design starts.
Planning a project in Southwark?
Book a free site survey and get a fixed-price quote within 5 working days.