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

4kW Solar System in Southfields

Local expert in 4kw solar system for households in the SW18 postcode area

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

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

Residents weighing up 4kW Solar System in Southfields sometimes tackle it alongside projects like warm homes plan solar or solar inverter. Truth be told, 4kW Solar System requires skilled workmanship, appropriate specifications, and alignment with industry best practice. A properly trained solar installer working in Southfields (SW18) is expected to survey your property before quoting, providing a transparent breakdown of what's involved.

Obtaining a written quote for 4kW Solar System happens in minutes. You should be connected to up to three competitive quotes from approved solar installers working around Southfields — many of whom handle similar jobs in Barnes Cray — all committed to clear communication. Take your time — we're only here to put you in touch with the most suitable team.

4kW Solar System cost & prices in Southfields (SW18)

Looking for a 4kw solar system specialist in Southfields? 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 Southfields 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 Southfields

65 results
A

80 CAMBORNE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
A
AL'FIX LTD Expert

63 LITTLETON STREET, LONDON

★★★★★ 4.9/5 Certified Professional
A

49 ARNAL CRESCENT, LONDON

★★★★★ 4.9/5 Certified Professional
A

38A PENWITH RD, EARLSFIELD, LONDON

★★★★★ 4.9/5 Certified Professional
A

184 GARRATT LANE, LONDON

★★★★★ 4.9/5 Certified Professional
B

FLAT 49 ANDREW REED HOUSE, 1 LINSTEAD WAY, LONDON

★★★★★ 4.9/5 Certified Professional
C

166 REVELSTOKE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
C

294 MERTON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
D
DGNB LIMITED Expert

14C ALMA ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
D

2 CROMFORD ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
D

BROOKWOOD HOUSE, 84 BROOKWOOD ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
G

195 MERTON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
H

52 BEMBRIDGE HOUSE, 1 IRON MILL ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
I
INTRELEC LTD Expert

67 HEATHFIELD SQUARE, LONDON

★★★★★ 4.9/5 Certified Professional
K

136A RAVENSBURY ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
K

341 GARRATT LANE, LONDON

★★★★★ 4.9/5 Certified Professional
K

258 MERTON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
L

APARTMENT 505, 20 ENTERPRISE WAY, LONDON

★★★★★ 4.9/5 Certified Professional
L

109 EARLSFIELD ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
L

APARTMENT 602, NAVIGATOR COURT 2 NEW ACRES LANE, LONDON

★★★★★ 4.9/5 Certified Professional
L

45 SMEATON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
L

101 EAST HILL, LONDON

★★★★★ 4.9/5 Certified Professional
O

FLAT 137, COLEMAN COURT, KIMBER ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
O

71 CROMFORD ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
P
POWERNEST LTD Expert

14 ELLERTON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
Q

182 REVELSTOKE ROAD, WANDSWORTH, LONDON

★★★★★ 4.9/5 Certified Professional
R

10 CRIEFF ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
S

FLAT 7, 31 RAVENSBURY TERRACE, LONDON

★★★★★ 4.9/5 Certified Professional
S

14 SMITHS YARD, SUMMERLEY STREET, EARLSFIELD

★★★★★ 4.9/5 Certified Professional
S

625 GARRATT LANE, LONDON

★★★★★ 4.9/5 Certified Professional
T

150 SWABY ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
T

MORIE STREET STUDIOS 4 MORIE STREET, STUDIO 6, LONDON

★★★★★ 4.9/5 Certified Professional
W

43 LITTLETON STREET, EARLSFIELD

★★★★★ 4.9/5 Certified Professional
A

341 GARRATT LANE, WANDSWORTH, LONDON

★★★★★ 4.9/5 Certified Professional
A

18B SUMMERLEY STREET, LONDON

★★★★★ 4.9/5 Certified Professional
A

406-408 MERTON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
B

294 MERTON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
C

12 NORTHFIELDS PROSPECT, PUTNEY BRIDGE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
D

28 WIMBLEDON PARK ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
D

27 SUTHERLAND GROVE, LONDON

★★★★★ 4.9/5 Certified Professional
D

1 BURR ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
F

UNIT B, ASCENSIS TOWER, JUNIPER DRIVE, LONDON

★★★★★ 4.9/5 Certified Professional
F

294 MERTON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
G

UNIT 24,, 9 LYDDEN ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
H

320 GARRATT LANE, LONDON

★★★★★ 4.9/5 Certified Professional
I

294 MERTON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
J

12 NORTHFIELDS PROSPECT, PUTNEY BRIDGE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
L

96 BUCKHOLD ROAD LONDON, LONDON

★★★★★ 4.9/5 Certified Professional
M

FRANKLIN CHARTERED ACCOUNTANTS, 320 GARRATT LANE, LONDON

★★★★★ 4.9/5 Certified Professional
M

BROOKWOOD HOUSE, 84 BROOKWOOD, LONDON

★★★★★ 4.9/5 Certified Professional
N

54 NANTES CLOSE, LONDON

★★★★★ 4.9/5 Certified Professional
O

28 QUARRY ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
P

64 WANDSWORTH HIGH STREET, LONDON

★★★★★ 4.9/5 Certified Professional
R

341 GARRATT LANE, LONDON

★★★★★ 4.9/5 Certified Professional
R

5 WILDE PLACE, LONDON

★★★★★ 4.9/5 Certified Professional
R

5 EASTFIELDS AVENUE EASTFIELDS AVENUE, APARTMENT 804, WANDSWORTH

★★★★★ 4.9/5 Certified Professional
S

81 GRANVILLE ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
S

WILLOW END, PROSPECT COTTAGES, LONDON

★★★★★ 4.9/5 Certified Professional
S

FLAT 12, 43 ARMOURY WAY, LONDON

★★★★★ 4.9/5 Certified Professional
S

5 WILDE PLACE, LONDON

★★★★★ 4.9/5 Certified Professional
S

294 MERTON ROAD, LONDON

★★★★★ 4.9/5 Certified Professional
S

FLAT 425 ANCHOR HOUSE, SMUGGLERS WAY, LONDON

★★★★★ 4.9/5 Certified Professional
S

307 GARRATT LANE, LONDON

★★★★★ 4.9/5 Certified Professional
T

89 TWILLEY STREET, LONDON

★★★★★ 4.9/5 Certified Professional
W

39 CROMFORD ROAD, LONDON

★★★★★ 4.9/5 Certified Professional

What our partners guarantee in Southfields

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 Southfields

Our partner solar installers in London are ready to help in Southfields.

  • 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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