4kW Solar System
⭐ 4.9/5 on 185+ projects in Welsh Harp

4kW Solar System in Welsh Harp

Local expert in 4kw solar system for households in the NW2 postcode area

4.9/5 Rated across Welsh Harp installs
MCS-certified Solar Installers
RECC / HIES members
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4kW Solar System Quotes

Free quotes from vetted solar installers in Welsh Harp

★★★★☆ 4.9/5 · 185+ reviews
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4kW Solar System in Welsh Harp — what to know

Homeowners considering 4kW Solar System in Welsh Harp sometimes tackle it alongside adjacent upgrades including solar panel grants or solar thermal. Truth be told, 4kW Solar System requires attention to detail, appropriate specifications, and adherence to UK standards. A properly trained solar installer working in Welsh Harp (NW2) is expected to walk the site with you before quoting, providing a no-obligation breakdown of the scope.

Getting a detailed quote for 4kW Solar System is a matter of seconds. You can expect to line up up to three itemised quotes from carefully chosen solar installers working around Welsh Harp — including crews who also cover Barnes Cray — each committed to fair pricing. No decision is required immediately — our job is to put you in touch with the right solar installer for the job.

4kW Solar System cost & prices in Welsh Harp (NW2)

Looking for a 4kw solar system specialist in Welsh Harp? Our partner solar installers tailor designs around your roof, usage pattern and budget.

Why use a professional?

  • Industry-standard sizing for an average three-bedroom semi-detached home
  • Typically generates 3,400-3,800 kWh annually in southern and central England
  • Fits inside the 16A single-phase G98 notification envelope with no DNO delay
  • Payback period often falls inside 7-10 years with exports factored in

Our approach

  • Around ten 400W panels occupying 18-20 square metres of roof area
  • Single-phase hybrid inverter in the 3.6-5kW bracket is typically specified
  • Meter tails and consumer unit reviewed for compliance with the new export circuit

All work in Welsh Harp is delivered by MCS-certified solar installers with public liability cover, manufacturer-backed product warranties, and RECC or HIES consumer protection.

Find a 4kw solar system specialist near Welsh Harp

103 results
A

41 GALSWORTHY ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
A

FLAT 30 OXGATE COURT, COLES GREEN ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
A

2 RUTLAND PARK MANSIONS, WALM LANE, LONDON

★★★★★ 4.9/5 Certified Professional
A

40 CLITTERHOUSE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
B

FLAT 30, DELTA COURT, COLES GREEN ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
B

14 COLES GREEN COURT, COLES GREEN ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
B

22 CHURCHILL ROAD, WILSDEN

★★★★★ 4.9/5 Certified Professional
B

149 CRICKLEWOOD LANE, LONDON

★★★★★ 4.9/5 Certified Professional
C

8 MELROSE AVENUE, LONDON

★★★★★ 4.9/5 Certified Professional
C

114 CAIRNFIELD AVENUE, LONDON

★★★★★ 4.9/5 Certified Professional
C

FLAT 80 LECKY HOUSE, OMAN AVENUE, LONDON

★★★★★ 4.9/5 Certified Professional
C

UNIT 6,, 998 NORTH CIRCULAR ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
C

657 NORTH CIRCULAR ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
D

120 WINDMILL DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
D
DOORIN LTD Expert

116A MORA ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
E

17 SHEPHERDS WALK, LONDON

★★★★★ 4.9/5 Certified Professional
E

17 PENNINE PARADE, PENNINE DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
F

100 TANFIELD AVENUE, LONDON

★★★★★ 4.9/5 Certified Professional
F

67 GLADSTONE PARK GARDENS, LONDON

★★★★★ 4.9/5 Certified Professional
G

35 MORA ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
I

FLAT 17 BEUTH HOUSE, SWANNELL WAY, LONDON

★★★★★ 4.9/5 Certified Professional
J

17 PENNINE PARADE, PENNINE DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
J

17 PENNINE PARADE, PENNINE DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
J

3 COMBER CLOSE, LONDON

★★★★★ 4.9/5 Certified Professional
K

AJP BUSINESS CENTRE, 152-154 COLES GREEN ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
K

7-8 WING YIP BUSINESS CENTRE C/O SOLACE MANAGEMENT SOLUTIONS LTD, 395 EDGWARE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
L

FLAT 55 NEVILLES COURT, DOLLIS HILL LANE, LONDON

★★★★★ 4.9/5 Certified Professional
L

10 AVIATOR DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
M

22 HEATHFIELD PARK, LONDON

★★★★★ 4.9/5 Certified Professional
M

6 CUMBRIAN GARDENS, LONDON

★★★★★ 4.9/5 Certified Professional
M

6 CUMBRIAN GARDENS, LONDON

★★★★★ 4.9/5 Certified Professional
M

15 PRAYLE GROVE, LONDON

★★★★★ 4.9/5 Certified Professional
M

15 PRAYLE GROVE, LONDON

★★★★★ 4.9/5 Certified Professional
M

38B RIFFEL ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
M

FLAT 407 HANOVER HOUSE, 385 EDGWARE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
N

92B OLIVE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
N

8A NEWTON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
N
NMOS LTD Expert

C/O MATINE & CO ACCOUNTANTS, 5A EBBSFLEET ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
P

4 LYDFORD ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
P

FLAT 3 AUGUST HOUSE, 39 WATERLOO ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
R

UNIT 105 CHINA HOUSE, 401 EDGWARE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
R

41 RANDALL AVENUE, LONDON

★★★★★ 4.9/5 Certified Professional
S
SAREX7 LTD Expert

64 CHAPTER ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
S

36-38 WATERLOO ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
S

FLAT 1 ELECTRA COURT, 42 STATION PARADE, LONDON

★★★★★ 4.9/5 Certified Professional
S

56 ANSON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
S

222 WALM LANE, LONDON

★★★★★ 4.9/5 Certified Professional
T

90 CREST ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
T

17 PENNINE PARADE, PENNINE DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
T
TOUJA LTD Expert

48 LICHFIELD ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
X

54 RANDALL AVENUE, LONDON

★★★★★ 4.9/5 Certified Professional
Y

10 MINSTER ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
A

17 PENNINE PARADE, PENNINE DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
A

37 CLEVELAND GARDENS, LONDON

★★★★★ 4.9/5 Certified Professional
A

55 CLITTERHOUSE CRESCENT, LONDON

★★★★★ 4.9/5 Certified Professional
A

318B DOLLIS HILL LANE, LONDON

★★★★★ 4.9/5 Certified Professional
A

99 COTSWOLD GARDENS, LONDON

★★★★★ 4.9/5 Certified Professional
A

40 CLITTERHOUSE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
B

SUITE 111, ATLAS BUSINESS CENTRE, OXGATE LANE, LONDON

★★★★★ 4.9/5 Certified Professional
B

114A WALM LANE, LONDON

★★★★★ 4.9/5 Certified Professional
C

22B LYDFORD ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
C

17 PENNINE PARADE, PENNINE DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
C

48 CHAPLIN ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
C

66 DAWPOOL ROAD, NEASDEN, LONDON

★★★★★ 4.9/5 Certified Professional
D

90 CREST ROAD, CREST ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
F

182B VILLIERS ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
F

3 YEW GROVE, LONDON

★★★★★ 4.9/5 Certified Professional
G

107 BRONDESBURY PARK, LONDON

★★★★★ 4.9/5 Certified Professional
H

41 RANDALL AVENUE, LONDON

★★★★★ 4.9/5 Certified Professional
H

149 CRICKLEWOOD LANE, LONDON

★★★★★ 4.9/5 Certified Professional
I

37 REVIEW ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
I

160 CHEVIOT GARDENS, LONDON

★★★★★ 4.9/5 Certified Professional
I

23 OXGATE GARDENS, LONDON

★★★★★ 4.9/5 Certified Professional
J

96 CAIRNFIELD AVENUE, LONDON

★★★★★ 4.9/5 Certified Professional
J

400A FINCHLEY ROAD, CRICKLEWOOD, LONDON

★★★★★ 4.9/5 Certified Professional
K

17 PENNINE PARADE, PENNINE DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
L

FLAT B, 141 SANDRINGHAM ROAD, LONDON, SANDRINGHAM ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
M

FLAT 2 ALDER HOUSE, 1 SWANNELL WAY, LONDON

★★★★★ 4.9/5 Certified Professional
M

UNIT A6 ATLAS BUSINESS CENTRE, OXGATE LANE, LONDON

★★★★★ 4.9/5 Certified Professional
M

FLAT 23 ALDER HOUSE, 1 SWANNELL WAY, LONDON

★★★★★ 4.9/5 Certified Professional
M

17 PENNINE PARADE, PENNINE DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
N

55 HUDDLESTONE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
N

60 AVONDALE AVENUE, LONDON

★★★★★ 4.9/5 Certified Professional
N

15 WOODBRIDGE CLOSE, LONDON

★★★★★ 4.9/5 Certified Professional
N

16 JAMES AVENUE, WILLESDEN GREEN, LONDON

★★★★★ 4.9/5 Certified Professional
O

63 OAKLANDS ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
O

1 CRANHURST ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
P

17B TANFIELD AVENUE, NEASDEN

★★★★★ 4.9/5 Certified Professional
P

4 LYDFORD ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
P

17 PENNINE PARADE, PENNINE DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
P

792 NORTH CIRCULAR ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
P

149 CRICKLEWOOD LANE, LONDON

★★★★★ 4.9/5 Certified Professional
P

673 FINCHLEY ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
P

74 KENWYN DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
S

403 OXGATE LANE, LONDON

★★★★★ 4.9/5 Certified Professional
S

FLAT 6 MACKELLAR HOUSE, BURGESS HILL, LONDON

★★★★★ 4.9/5 Certified Professional
S

59A DEACON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
S

24 WATERLOO ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
S

113 WARREN ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
T

90A WALM LANE, LONDON, LONDON

★★★★★ 4.9/5 Certified Professional
T

18 FORDWYCH ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
V

9 ELM GROVE, LONDON

★★★★★ 4.9/5 Certified Professional
Y

112 AJP BUSINESS CENTRE, 152-154 COLES GREEN ROAD, LONDON

★★★★★ 4.9/5 Certified Professional

What our partners guarantee in Welsh Harp

Current MCS certification and membership of a recognised consumer code
Free on-site structural and shading survey before any quotation is issued
Itemised written quotes showing panel, inverter, battery and labour separately
Minimum 10 year workmanship warranty plus manufacturer product guarantees
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4kW Solar System companies in Greater London

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Get a 4kw solar system quote in Welsh Harp

Our partner solar installers in London are ready to help in Welsh Harp.

  • MCS-certified installers only — certificates verifiable online
  • Up to 3 itemised written quotes to compare side by side
  • Guidance on the Warm Homes Plan and Smart Export Guarantee
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