Who we are & What we do ...


HRJ Builders Group Construction is a London based construction company specializing in architectural design & build, building renovations and refurbishments, house extension design and build, loft conversions/building conversions design and build, kitchens refurbishments, bathrooms refurbishments. 

Our mission aims at meeting all the needs of our clients in terms of delivery as well as the pricing of our services. We look forward to achieving all our prospective goals and mission with all the fairness, experience, passion, innovation as well as strong relationships.

We are very proud of meeting all the expectations of our customers and succeeding in our graph of progress with each passing day. In order to attain all our goals and objective, we lead a culture of excellence where loyalty, talent, creativity, open communication as well as integrity are our core values.

Our ethos is simple, do a good job and people will tell others. In fact, we've grown our business almost entirely from happy clients referring us to their friends.

We are committed to understanding your individual needs, and we are happy to tailor our services accordingly. Our company revolves around our clients, so your needs always come first. We are committed to producing the highest level of quality at competitive prices, all while maintaining the highest levels of professionalism, integrity, honesty, and fairness with each customer.

Communication, quality of work, and attention to detail are the most important parts of the process which ensures we reach our client’s expectations.



We offer all kinds of house extensions design & build include rear extension, side extension, loft extension, garage extension, single story extension, double story extension, multi story extension , kitchen extension.

We do house conversion design & build include loft conversion, building conversion/house conversion, garage conversion, basement conversion, roof conversion, bungalow conversion.

We offer full/partial refurbishments include living rooms refurbishments, bedrooms refurbishments, ...




Henry Roy Jacobson
Founder & Director
Murphy Green
Foreman & Project Manager
Adam Miller
Ben Jaidan
Operations Manager

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It's Free




0208 076 2828


​​​​​Areas Served:

Central London, South West London, North London, West London, North West London.

We Cover:

All WC & EC Postcodes

WC1, WC2, EC1, EC2, EC3, EC4, EC5

All SW Postcodes

SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20

All NW Postcodes

NW1, NW2, NW3, NW4, NW5, NW6, NW7, NW8, NW9, NW10, NW11

All W Postcodes

W1, W2, W3, W4, W5, W6, W7, W8, W9, W10, W11, W12, W13, W14

All N Postcodes

N1, N2, N3, N4, N5, N6, N7, N8, N9, N10, N11, N12, N13, N14, N15, N16, N17, N18, N19, N20, N21, N22

All EN Postcodes

EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, EN10, EN11

All WD Postcodes

WD3, WD4, WD5, WD6, WD7, WD17, WD18, WD19, WD23, WD24, WD25

All AL Postcodes

AL1, AL2, AL3, AL4, AL5, AL6, AL7, AL8, AL9, AL10

All HA Postcodes

HA0, HA1, HA2, HA3, HA4, HA5, HA6, HA7, HA8, HA9

All UB Postcodes

UB1, UB2, UB3, UB4, UB5, UB6, UB7, UB8, UB9, UB10, UB11

All TW Postcodes

TW1, TW2, TW3, TW4, TW5, TW6, TW7, TW8, TW9, TW10, TW11, TW12, TW13, TW14, TW15, TW16, TW17, TW18, TW19, TW20

All KT Postcodes

KT1, KT2, KT3, KT4, KT5, KT6, KT7, KT8, KT9, KT10, KT11, KT12, KT13, KT14, KT15, KT16, KT17, KT18, KT19, KT20, KT21, KT22, KT23, KT24


  • Camden NW1

  • Hampstead NW3

  • Kentish Town NW5

  • Regent's Park NW1

  • Primrose Hill NW8

  • South Hampstead NW6

  • St Johns Wood NW8

  • Bloomsbury WC1, WC2, EC1

  • Barons Court W6

  • Chiswick W4

  • Dukes Meadow W4

  • Fitzrovia W1

  • Hammersmith W6

  • Holland Park W11, W9, W2

  • Hyde Park & Park Lane W1

  • Kensington W8

  • Knightsbridge SW1

  • Ladbroke Grove W11, W9

  • Marylebone W1

  • Mayfair W1

  • Notting Hill W11, W9

  • Paddington W2

  • Piccadilly WC1

  • Richmond TW9

  • Richmond Park TW9

  • Shepherds Bush W6, W14

  • South Kensington SW7

  • West Kensington W14

  • Golders Green NW2, NW11

  • Highgate N6, N19, N10

  • Northwood HA6

  • Pinner HA5

  • Rickmansworth WD3 

  • Bushey WD19, WD23

  • Eastbury HA6

  • Harefield UB9

  • Stanmore HA7

  • Elstree WD6

  • Borehamwood WD6

  • Radlett WD6, WD7, WD25

  • St Albans & Harpenden


  • Barnes SW14

  • Barnes Common SW13

  • Battersea SW11

  • Battersea Park SW11

  • Belgravia SW1

  • Between the Commons SW18, SW12

  • Chelsea SW10 & SW3

  • Clapham SW11

  • Clapham Common SW12

  • Ealing

  • Earl's Court SW5

  • East Sheen SW13

  • Eaton Square SW1X

  • Fulham SW6

  • Ham TW10

  • Hyde Park SW7

  • Kew TW9

  • Ladbroke Grove W10, W11

  • Mortlake SW13

  • Finchley N3, N12

  • Parsons Green SW6

  • Pimlico SW1

  • Putney SW15

  • Putney Heath SW15

  • Roehampton SW15

  • Swiss Cottage NW3, NW6

  • South Kensington SW7

  • Southwark SE1

  • St James W1
  • Streatham SW2 & SW16

  • Tooting SW17

  • Twickenham TW

  • Victoria SW1

  • Wandsworth Common SW18

  • Wandsworth SW18

  • Waterloo SE1

  • West Kensington

  • Westminster SW1

  • Wimbledon Common SW19, SW20

  • Wimbledon Park SW15, SW20

  • Wimbledon SW19 & SW20



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